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WO2001060545A1 - Expanding a tubular member - Google Patents

Expanding a tubular member Download PDF

Info

Publication number
WO2001060545A1
WO2001060545A1 PCT/US2001/004753 US0104753W WO0160545A1 WO 2001060545 A1 WO2001060545 A1 WO 2001060545A1 US 0104753 W US0104753 W US 0104753W WO 0160545 A1 WO0160545 A1 WO 0160545A1
Authority
WO
WIPO (PCT)
Prior art keywords
tubular member
mandrel
sealing
annular
pressurizing
Prior art date
Application number
PCT/US2001/004753
Other languages
French (fr)
Inventor
Robert Lance Cook
David P. Brisco
Bruce R. Stewart
Lev Ring
Richard Carl Haut
Robert Donald Mack
Alan B. Duell
Original Assignee
Shell Oil Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shell Oil Company filed Critical Shell Oil Company
Priority to US10/169,434 priority Critical patent/US7603758B2/en
Priority to CA2397480A priority patent/CA2397480C/en
Priority to AU38263/01A priority patent/AU780123B2/en
Priority to GB0216409A priority patent/GB2373468B/en
Publication of WO2001060545A1 publication Critical patent/WO2001060545A1/en
Priority to NO20023885A priority patent/NO328521B1/en
Priority to US11/553,240 priority patent/US20070151725A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • E21B43/105—Expanding tools specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/08—Tube expanders
    • B21D39/20—Tube expanders with mandrels, e.g. expandable
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/08—Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/04—Casing heads; Suspending casings or tubings in well heads

Definitions

  • patent application serial number 09/510,913, attorney docket number 25791.7.02 which claimed the benefit of the filing date of U.S. provisional patent application serial number 60/121,702, filed on 2/25/1999, which was a continuation-in-part of U.S. patent application serial number 09/502,350, attorney docket number 25791.8.02, filed on 2/10/2000, which claimed the benefit of the filing date of U.S. provisional patent application serial number 60/119,611, attorney docket number 25791.8, filed on 2/11/1999, which was a continuation-in-part of U.S. patent application serial number 09/454,139, attorney docket number 25791.3.02, filed on 12/3/1999, which claimed the benefit of the filing date of U.S.
  • the present application is related to the following U.S. patent applications: ( 1) utility patent application number , attorney docket number 25791.9.02, filed on 11-16-1999, which claimed the benefit of the filing date of provisional patent application number 60/108,558, attorney docket number 25791.9, filed on 11-16-1998; (2) utility patent application number , attorney docket number 25791.3.02, filed on 12-3-1999, which claimed the benefit of the filing date of provisional patent application number 60/111,293, attorney docket number 25791.3, filed on 12-7-1998; (3) utility patent application number , attorney docket number 25791.8.02, filed on 2-10-2000, which claimed the benefit of the filing date of provisional patent application number 60/119,611, attorney docket number 25791.8, filed on 2-11-1999; (4) provisional patent application number 60/121,702, attorney docket number 25791.7, filed on 2-25-1999; (5) provisional patent application number
  • This invention relates generally to wellbore casings, and in particular to wellbore casings that are formed using expandable tubing.
  • a relatively large borehole diameter is required at the upper part of the wellbore.
  • Such a large borehole diameter involves increased costs due to heavy casing handling equipment, large drill bits and increased volumes of drilling fluid and drill cuttings.
  • increased drilling rig time is involved due to required cement pumping, cement hardening, required equipment changes due to large variations in hole diameters drilled in the course of the well, and the large volume of cuttings drilled and removed.
  • a wellhead is formed that typically includes a surface casing, a number of production and/or drilling spools, valving, and a Christmas tree.
  • the wellhead further includes a concentric arrangement of casings including a production casing and one or more intermediate casings.
  • the casings are typically supported using load bearing slips positioned above the ground.
  • the conventional design and construction of wellheads is expensive and complex.
  • a wellbore casing cannot be formed during the drilling of a wellbore.
  • the wellbore is drilled and then a wellbore casing is formed in the newly drilled section of the wellbore. This delays the completion of a well.
  • the present invention is directed to overcoming one or more of the limitations of the existing procedures for forming wellbores and wellheads.
  • a method of expanding a tubular member includes placing a mandrel within the tubular member, pressurizing an annular region within the tubular member above the mandrel, and displacing the mandrel with respect to the tubular member.
  • an apparatus for radially expanding a tubular member includes a first tubular member, a second tubular member positioned within the first tubular member, a third tubular member movably coupled to and positioned within the second tubular member, a first annular sealing member for sealing an interface between the first and second tubular members, a second annular sealing member for sealing an interface between the second and third tubular members, and a mandrel positioned within the first tubular member and coupled to an end of the third tubular member.
  • an apparatus is provided that includes a tubular member, a piston adapted to expand the diameter of the tubular member positioned within the tubular member, and an annular chamber defined by the piston and tubular member.
  • an apparatus that includes a preexisting structure and a tubular member coupled to the preexisting structure.
  • the tubular member is coupled to the preexisting structure by the process of: positioning the tubular member in an overlapping relationship to the preexisting structure, placing a mandrel within the tubular member, pressurizing an annular region within the tubular member above the mandrel, and displacing the mandrel with respect to the tubular member.
  • a method of expanding a tubular member includes preforming the tubular member to include a first portion, a second portion, and a third portion, placing a mandrel within the second portion of the tubular member, pressurizing a region within the tubular member; and displacing the mandrel with respect to the tubular member.
  • the inside diameter of the second portion of the tubular member is greater than the inside diameters of the first and third portions of the tubular member.
  • an apparatus for radially expanding a tubular member includes a first tubular member, a second tubular member coupled to the first tubular member, a third tubular member coupled to the second tubular member, and a mandrel positioned within the second tubular member and coupled to an end portion of the third tubular member.
  • the inside diameter of the second tubular member is greater than the inside diameters of the first and third tubular members.
  • an apparatus is provided that includes a tubular member having first, second, and third portions, a piston adapted to expand the diameter of the tubular member positioned within the second portion of the tubular member, the piston including a passage for conveying fluids out of the tubular member.
  • the inside diameter of the second portion of the tubular member is greater than the inside diameters of the first and third portions of the tubular member.
  • an apparatus that includes a preexisting structure and a tubular member coupled to the preexisting structure.
  • the tubular member is coupled to the preexisting structure by the process of: preforming the tubular member to include first, second, and third portions, positioning the tubular member in an overlapping relationship to the preexisting structure; placing a mandrel within the second portion of the tubular member; pressurizing an interior region within the tubular member; and displacing the mandrel with respect to the tubular member.
  • the inside diameter of the second portion of the tubular member is greater than the inside diameters of the first and third portions of the tubular member.
  • the present embodiments of the invention provide methods and apparatus for forming and/or repairing wellbore casings, pipelines, and/or structural supports by radially expanding tubular members. In this manner, the formation and repair of wellbore casings, pipelines, and structural supports is improved.
  • FIG. la is a fragmentary cross-section illustration of an embodiment of an apparatus and method for expanding tubular members.
  • FIG. lb is another fragmentary cross-sectional illustration of the apparatus of FIG. la.
  • FIG. lc is another fragmentary cross-sectional illustration of the apparatus of FIG. la.
  • FIG. 2a is a fragmentary cross-section illustration of an embodiment of an apparatus and method for expanding tubular members.
  • FIG. 2b is another fragmentary cross-sectional illustration of the apparatus of FIG. 2a.
  • FIG. 2c is another fragmentary cross-sectional illustration of the apparatus of FIG. 2a.
  • FIG. 2d is another fragmentary cross-sectional illustration of the apparatus of FIG. 2a.
  • FIG. 2e is another fragmentary cross-sectional illustration of the apparatus of FIG. 2a.
  • the apparatus 100 includes a support member 105, a packer 110, a first fluid conduit 115, an annular fluid passage 120, fluid inlets 125, an annular seal 130, a second fluid conduit 135, a fluid passage 140, a mandrel 145, a mandrel launcher 150, a tubular member 155, slips 160, and seals 165.
  • the apparatus 100 is used to radially expand the tubular member 155.
  • the apparatus 100 may be used to form a wellbore casing, line a wellbore casing, form a pipeline, line a pipeline, form a structural support member, or repair a wellbore casing, pipeline or structural support member.
  • the apparatus 100 is used to clad at least a portion of the tubular member 155 onto a preexisting tubular member.
  • the support member 105 is preferably coupled to the packer 110 and the mandrel launcher 150.
  • the support member 105 preferably is a tubular member fabricated from any number of conventional commercially available materials such as, for example, oilfield country tubular goods, low alloy steel, carbon steel, or stainless steel.
  • the support member 105 is preferably selected to fit through a preexisting section of wellbore casing 170. In this manner, the apparatus 100 may be positioned within the wellbore casing 170.
  • the support member 105 is releasably coupled to the mandrel launcher 150. In this manner, the support member 105 may be decoupled from the mandrel launcher 150 upon the completion of an extrusion operation.
  • the packer 110 is coupled to the support member 105 and the first fluid conduit 115.
  • the packer 110 preferably provides a fluid seal between the outside surface of the first fluid conduit 115 and the inside surface of the support member 105. In this manner, the packer 110 preferably seals off and, in combination with the support member 105, first fluid conduit 115, second fluid conduit 135, and mandrel 145, defines an annular chamber 175.
  • the packer 110 may be any number of conventional commercially available packers modified in accordance with the teachings of the present disclosure.
  • the packer 110 is an RTTS packer available from Halliburton Energy Services in order to optimally provide high load and pressure containment capacity while also allowing the packer to be set and unset multiple times without having to pull the packer out of the wellbore.
  • the first fluid conduit 115 is coupled to the packer 110 and the annular seal 130.
  • the first fluid conduit 115 preferably is an annular member fabricated from any number of conventional commercially available materials such as, for example, oilfield country tubular goods, low alloy steel, carbon steel, or stainless steel.
  • the first fluid conduit 115 includes one or more fluid inlets 125 for conveying fluidic materials from the annular fluid passage 120 into the chamber 175.
  • the annular fluid passage 120 is defined by and positioned between the interior surface of the first fluid conduit 115 and the interior surface of the second fluid conduit 135.
  • the annular fluid passage 120 is preferably adapted to convey fluidic materials such as cement, water, epoxy, lubricants, and slag mix at operating pressures and flow rates ranging from about 0 to 3,000 gallons/minute and 0 to 9,000 psi in order to optimally provide flow rates and operational pressures for the radial expansion process.
  • the fluid inlets 125 are positioned in an end portion of the first fluid conduit 115.
  • the fluid inlets 125 preferably are adapted to convey fluidic materials such as cement, water, epoxy, lubricants, and slag mix at operating pressures and flow rates ranging from about 0 to 9,000 psi and 0 to 3,000 gallons/minute in order to optimally provide flow rates and operational pressures for the radial expansion process.
  • fluidic materials such as cement, water, epoxy, lubricants, and slag mix
  • the annular seal 130 is coupled to the first fluid conduit 115 and the second fluid conduit 135.
  • the annular seal 130 preferably provides a fluid seal between the interior surface of the first fluid conduit 115 and the exterior surface of the second fluid conduit 135.
  • the annular seal 130 preferably provides a fluid seal between the interior surface of the first fluid conduit 115 and the exterior surface of the second fluid conduit 135 during relative axial motion of the first fluid conduit 115 and the second fluid conduit 135.
  • the annular seal 130 may be any number of conventional commercially available seals such as, for example, O-rings, polypak seals, or metal spring energized seals.
  • the annular seal 130 is a polypak seal available from Parker Seals.
  • the second fluid conduit 135 is coupled to the annular seal 130 and the mandrel 145.
  • the second fluid conduit preferably is a tubular member fabricated from any number of conventional commercially available materials such as, for example, coiled tubing, oilfield country tubular goods, low alloy steel, stainless steel, or low carbon steel.
  • the second fluid conduit 135 is adapted to convey fluidic materials such as cement, water, epoxy, lubricants, and slag mix at operating pressures and flow rates ranging from about 0 to 9,000 psi and 0 to 3,000 gallons/minute in order to optimally provide flow rates and operational pressures for the radial expansion process.
  • the fluid passage 140 is coupled to the second fluid conduit 135 and the mandrel 145.
  • the fluid passage 140 is adapted to convey fluidic materials such as cement, water, epoxy, lubricants, and slag mix at operating pressures and flow rates ranging from about 0 to 9,000 psi and 0 to 3,000 gallons/minute in order to optimally provide flow rates and operational pressures for the radial expansion process.
  • fluidic materials such as cement, water, epoxy, lubricants, and slag mix
  • the mandrel 145 is coupled to the second fluid conduit 135 and the mandrel launcher 150.
  • the mandrel 145 preferably are an annular member having a conic section fabricated from any number of conventional commercially available materials such as, for example, machine tool steel, ceramics, tungsten carbide, titanium or other high strength alloys.
  • the angle of the conic section of the mandrel 145 ranges from about 0 to 30 degrees in order to optimally expand the mandrel launcher 150 and tubular member 155 in the radial direction.
  • the surface of the conic section ranges from about 58 to 62 Rockwell C in order to optimally provide high yield strength.
  • the expansion cone 145 is heat treated in order to optimally provide a hard outer surface and a resilient interior body in order to optimally provide abrasion resistance and fracture toughness.
  • the mandrel 145 is expandible in order to further optimally augment the radial expansion process.
  • the mandrel launcher 150 is coupled to the support member 105, the mandrel 145, and the tubular member 155.
  • the mandrel launcher 150 preferably are a tubular member having a variable cross-section and a reduced wall thickness in order to facilitate the radial expansion process.
  • the cross-sectional area of the mandrel launcher 150 at one end is adapted to mate with the mandrel 145, and at the other end, the cross-sectional area of the mandrel launcher 150 is adapted to match the cross-sectional area of the tubular member 155.
  • the wall thickness of the mandrel launcher 150 ranges from about 50 to 100 % of the wall thickness of the tubular member 155 in order to facilitate the initiation of the radial expansion process.
  • the mandrel launcher 150 may be fabricated from any number of conventional commercially available materials such as, for example, oilfield country tubular goods, low allow steel, stainless steel, or carbon steel.
  • the mandrel launcher 150 is fabricated from oilfield country tubular goods having higher strength but lower wall thickness than the tubular member 155 in order to optimally match the burst strength of the tubular member 155.
  • the mandrel launcher 150 is removably coupled to the tubular member 155. In this manner, the mandrel launcher 150 may be removed from the wellbore 180 upon the completion of an extrusion operation.
  • the support member 105 and the mandrel launcher 150 are integrally formed.
  • the support member 105 preferably terminates above the top of the packer 110.
  • the fluid conduits 115 and/or 135 provide structural support for the apparatus 100, using the packer 110 to couple together the elements of the apparatus 100.
  • the packer 110 may be unset and reset, after the slips 160 have anchored the tubular member 155 to the previous casing 170, within the tubular member 155, between radial expansion operations. In this manner, the packer 110 is moved downhole and the apparatus 100 is re-stroked.
  • the tubular member 155 is coupled to the mandrel launcher, the slips 160 and the seals 165.
  • the tubular member 155 preferably is a tubular member fabricated from any number of conventional commercially available materials such as, for example, low alloy steel, carbon steel, stainless steel, or oilfield country tubular goods. In a preferred embodiment, the tubular member 155 is fabricated from oilfield country tubular goods.
  • the slips 160 are coupled to the outside surface of the tubular member
  • the slips 160 preferably are adapted to couple to the interior walls of a casing, pipeline or other structure upon the radial expansion of the tubular member 155. In this manner, the slips 160 provide structural support for the expanded tubular member 155.
  • the slips 160 may be any number of conventional commercially available slips such as, for example, RTTS packer tungsten carbide slips, RTTS packer wicker type mechanical slips or Model 3L retrievable bridge plug tungsten carbide upper mechanical slips.
  • the slips 160 are RTTS packer tungsten carbide mechanical slips available from Halliburton Energy Services.
  • the slips 160 are adapted to support axial forces ranging from about 0 to 750,000 lbf.
  • the seals 165 are coupled to the outside surface of the tubular member 155.
  • the seals 165 preferably provide a fluidic seal between the outside surface of the expanded tubular member 155 and the interior walls of a casing, pipeline or other structure upon the radial expansion of the tubular member 155. In this manner, the seals 165 provide a fluidic seal for the expanded tubular member 155.
  • the seals 165 may be any number of conventional commercially available seals such as, for example, nitrile rubber, lead, Aflas rubber, Teflon, epoxy, or other elastomers.
  • the seals 165 are rubber seals available from numerous commercial vendors in order to optimally provide pressure sealing and load bearing capacity.
  • the apparatus 100 is preferably lowered into a wellbore 180 having a preexisting section of wellbore casing 170.
  • the apparatus 100 is positioned with at least a portion of the tubular member 155 overlapping with a portion of the wellbore casing 170.
  • the radial expansion of the tubular member 155 will preferably cause the outside surface of the expanded tubular member 155 to couple with the inside surface of the wellbore casing 170.
  • the radial expansion of the tubular member 155 will also cause the slips 160 and seals 165 to engage with the interior surface of the wellbore casing 170.
  • the expanded tubular member 155 is provided with enhanced structural support by the slips 160 and an enhanced fluid seal by the seals 165.
  • a fluidic material 185 is preferably pumped into the chamber 175 using the fluid passage 120 and the inlet passages 125.
  • the fluidic material is pumped into the chamber 175 at operating pressures and flow rates ranging from about 0 to 9,000 psi and 0 to 3,000 gallons/minute in order to optimally provide flow rates and operational pressures for the radial expansion process.
  • the pumped fluidic material 185 increase the operating pressure within the chamber 175.
  • the increased operating pressure in the chamber 175 then causes the mandrel 145 to extrude the mandrel launcher 150 and tubular member 155 off of the face of the mandrel 145.
  • the extrusion of the mandrel launcher 150 and tubular member 155 off of the face of the mandrel 145 causes the mandrel launcher 150 and tubular member 155 to expand in the radial direction.
  • Continued pumping of the fluidic material 185 preferably causes the entire length of the tubular member 155 to expand in the radial direction.
  • the pumping rate and pressure of the fluidic material 185 is reduced during the latter stages of the extrusion process in order to minimize shock to the apparatus 100.
  • the apparatus 100 includes shock absorbers for absorbing the shock caused by the completion of the extrusion process.
  • the extrusion process causes the mandrel 145 to move in an axial direction 185.
  • the fluid passage 140 conveys fluidic material 190 displaced by the moving mandrel 145 out of the wellbore 180. In this manner, the operational efficiency and speed of the extrusion process is enhanced.
  • the extrusion process includes the injection of a hardenable fluidic material into the annular region between the tubular member 155 and the bore hole 180. In this manner, a hardened sealing layer is provided between the expanded tubular member 155 and the interior walls of the wellbore 180.
  • the support member 105, packer 110, first fluid conduit 115, annular seal 130, second fluid conduit 135, mandrel 145, and mandrel launcher 150 are moved from the wellbore 180.
  • the apparatus 100 is used to repair a preexisting wellbore casing or pipeline.
  • both ends of the tubular member 155 preferably include slips 160 and seals 165.
  • the apparatus 100 is used to form a tubular structural support for a building or offshore structure.
  • the apparatus 200 includes a support member 205, a mandrel launcher 210, a mandrel 215, a first fluid passage 220, a tubular member 225, slips 230, seals 235, a shoe 240, and a second fluid passage 245.
  • the apparatus 200 is used to radially expand the mandrel launcher 210 and tubular member 225.
  • the apparatus 200 may be used to form a wellbore casing, line a wellbore casing, form a pipeline, line a pipeline, form a structural support member, or repair a wellbore casing, pipeline or structural support member.
  • the apparatus 200 is used to clad at least a portion of the tubular member 225 onto a preexisting structural member.
  • the support member 205 is preferably coupled to the mandrel launcher 210.
  • the support member 205 preferably is a tubular member fabricated from any number of conventional commercially available materials such as, for example, oilfield country tubular goods, low alloy steel, carbon steel, or stainless steel.
  • the support member 205, the mandrel launcher 210, the tubular member 225, and the shoe 240 are preferably selected to fit through a preexisting section of wellbore casing 250. In this manner, the apparatus 200 may be positioned within the wellbore casing 270.
  • the support member 205 is releasably coupled to the mandrel launcher 210. In this manner, the support member 205 may be decoupled from the mandrel launcher 210 upon the completion of an extrusion operation.
  • the mandrel launcher 210 is coupled to the support member 205 and the tubular member 225.
  • the mandrel launcher 210 preferably are a tubular member having a variable cross-section and a reduced wall thickness in order to facilitate the radial expansion process.
  • the cross- sectional area of the mandrel launcher 210 at one end is adapted to mate with the mandrel 215, and at the other end, the cross-sectional area of the mandrel launcher 210 is adapted to match the cross-sectional area of the tubular member 225.
  • the wall thickness of the mandrel launcher 210 ranges from about 50 to 100 % of the wall thickness of the tubular member 225 in order to facilitate the initiation of the radial expansion process.
  • the mandrel launcher 210 may be fabricated from any number of conventional commercially available materials such as, for example, oilfield country tubular goods, low allow steel, stainless steel, or carbon steel.
  • the mandrel launcher 210 is fabricated from oilfield country tubular goods having higher strength but lower wall thickness than the tubular member 225 in order to optimally match the burst strength of the tubular member 225.
  • the mandrel launcher 210 is removably coupled to the tubular member 225. In this manner, the mandrel launcher 210 may be removed from the wellbore 260 upon the completion of an extrusion operation.
  • the mandrel 215 is coupled to the mandrel launcher 210.
  • the mandrel 215 preferably are an annular member having a conic section fabricated from any number of conventional commercially available materials such as, for example, machine tool steel, ceramics, tungsten carbide, titanium or other high strength alloys.
  • the angle of the conic section of the mandrel 215 ranges from about 0 to 30 degrees in order to optimally expand the mandrel launcher 210 and the tubular member 225 in the radial direction.
  • the surface of the conic section ranges from about 58 to 62 Rockwell C in order to optimally provide high yield strength.
  • the expansion cone 215 is heat treated in order to optimally provide a hard outer surface and a resilient interior body in order to optimally provide abrasion resistance and fracture toughness.
  • the mandrel 215 is expandible in order to further optimally augment the radial expansion process.
  • the fluid passage 220 is positioned within the mandrel 215.
  • the fluid passage 220 is preferably adapted to convey fluidic materials such as cement, water, epoxy, lubricants, and slag mix at operating pressures and flow rates ranging from about 0 to 9,000 psi and 0 to 3,000 gallons/minute in order to optimally provide flow rates and operational pressures for the radial expansion process.
  • the fluid passage 220 preferably includes an inlet 265 adapted to receive a plug, or other similar device. In this manner, the interior chamber 270 above the mandrel 215 may be fluidicly isolated from the interior chamber 275 below the mandrel 215.
  • the tubular member 225 is coupled to the mandrel launcher 210, the slips 230 and the seals 235.
  • the tubular member 225 preferably is a tubular member fabricated from any number of conventional commercially available materials such as, for example, low alloy steel, carbon steel, stainless steel, or oilfield country tubular goods. In a preferred embodiment, the tubular member 225 is fabricated from oilfield country tubular goods.
  • the slips 230 are coupled to the outside surface of the tubular member 225.
  • the slips 230 preferably are adapted to couple to the interior walls of a casing, pipeline or other structure upon the radial expansion of the tubular member 225. In this manner, the slips 230 provide structural support for the expanded tubular member 225.
  • the slips 230 may be any number of conventional commercially available slips such as, for example, RTTS packer tungsten carbide mechanical slips, RTTS packer wicker type mechanical slips, or Model 3L retrievable bridge plug tungsten carbide upper mechanical slips.
  • the slips 230 are adapted to support axial forces ranging from about 0 to 750,000 lbf.
  • the seals 235 are coupled to the outside surface of the tubular member 225.
  • the seals 235 preferably provide a fluidic seal between the outside surface of the expanded tubular member 225 and the interior walls of a casing, pipeline or other structure upon the radial expansion of the tubular member 225. In this manner, the seals 235 provide a fluidic seal for the expanded tubular member 225.
  • the seals 235 may be any number of conventional commercially available seals such as, for example, nitrile rubber, lead, Aflas rubber, Teflon, epoxy or other elastomers.
  • the seals 235 are conventional rubber seals available from various commercial vendors in order to optimally provide pressure sealing and load bearing capacity.
  • the shoe 240 is coupled to the tubular member 225.
  • the shoe 240 preferably is a substantially tubular member having a fluid passage 245 for conveying fluidic materials from the chamber 275 to the annular region 270 outside of the apparatus 200.
  • the shoe 240 may be any number of conventional commercially available shoes such as, for example, a Super Seal II float shoe, a Super Seal II Down-Jet float shoe, or a guide shoe with a sealing sleeve for a latch down plug modified in accordance with the teachings of the present disclosure.
  • the shoe 240 is an aluminum down-jet guide shoe with a sealing sleeve for a latch down plug, available from
  • Halliburton Energy Services in order to optimally guide the tubular member 225 in the wellbore, optimally provide a fluidic seal between the interior and exterior diameters of the overlapping joint between the tubular members, and optimally facilitate the complete drilling out of the shoe and plug upon the completion of the cementing and radial expansion operations.
  • the apparatus 200 is preferably lowered into a wellbore 260 having a preexisting section of wellbore casing 275.
  • the apparatus 200 is positioned with at least a portion of the tubular member 225 overlapping with a portion of the wellbore casing 275.
  • the radial expansion of the tubular member 225 will preferably cause the outside surface of the expanded tubular member 225 to couple with the inside surface of the wellbore casing 275.
  • the radial expansion of the tubular member 225 will also cause the slips 230 and seals 235 to engage with the interior surface of the wellbore casing 275.
  • the expanded tubular member 225 is provided with enhanced structural support by the slips 230 and an enhanced fluid seal by the seals 235.
  • a fluidic material 280 is preferably pumped into the chamber 270.
  • the fluidic material 280 then passes through the fluid passage 220 into the chamber 275.
  • the fluidic material 280 then passes out of the chamber 275, through the fluid passage 245, and into the annular region 270.
  • the fluidic material 280 is pumped into the chamber 270 at operating pressures and flow rates ranging from about 0 to 9,000 psi and 0 to 3,000 gallons/minute in order to optimally provide flow rates and operational pressures for the radial expansion process.
  • the fluidic material 280 is a hardenable fluidic sealing material in order to form a hardened outer annular member around the expanded tubular member 225.
  • a ball 285, plug or other similar device is introduced into the pumped fluidic material 280.
  • the ball 285 mates with and seals off the inlet 265 of the fluid passage 220. In this manner, the chamber 270 is fluidicly isolated from the chamber 275.
  • a fluidic material 290 is pumped into the chamber 270.
  • the fluidic material is preferably pumped into the chamber 270 at operating pressures and flow rates ranging from about 0 to 9,000 psi and 0 to 3,000 gallons/minute in order to provide optimal operating efficiency.
  • the fluidic material 290 may be any number of conventional commercially available materials such as, for example, water, drilling mud, cement, epoxy, or slag mix.
  • the fluidic material 290 is a non-hardenable fluidic material in order to maximize operational efficiency.
  • fluidic material 280 increases the operating pressure within the chamber 270.
  • the increased operating pressure in the chamber 270 then causes the mandrel 215 to extrude the mandrel launcher 210 and tubular member 225 off of the conical face of the mandrel 215.
  • the extrusion of the mandrel launcher 210 and tubular member 225 off of the conical face of the mandrel 215 causes the mandrel launcher 210 and tubular member 225 to expand in the radial direction.
  • Continued pumping of the fluidic material 290 preferably causes the entire length of the tubular member 225 to expand in the radial direction.
  • the pumping rate and pressure of the fluidic material 290 is reduced during the latter stages of the extrusion process in order to minimize shock to the apparatus 200.
  • the apparatus 200 includes shock absorbers for absorbing the shock caused by the completion of the extrusion process.
  • the extrusion process causes the mandrel 215 to move in an axial direction 295. As illustrated in FIG. 2e, in a preferred embodiment, upon the completion of the extrusion process, the support member 205, packer 210, first fluid conduit 215, annular seal 230, second fluid conduit 235, mandrel 245, and mandrel launcher 250 are removed from the wellbore 280.
  • the resulting new section of wellbore casing includes the preexisting wellbore casing 275, the expanded tubular member 225, the slips 230, the seals 235, the shoe 240, and an outer annular layer 4000 of hardened fluidic material.
  • the apparatus 200 is used to repair a preexisting wellbore casing or pipeline.
  • both ends of the tubular member 255 preferably include slips 260 and seals 265.
  • the apparatus 200 is used to form a tubular structural support for a building or offshore structure.
  • tubular members 105 and 225; shoes 240; expansion cone launchers 150 and 210; and expansion cones 145 and 215 are provided substantially as described in one or more of the following U.S. patent applications: (1) utility patent application number , attorney docket number 25791.9.02, filed on 11-16-1999, which claimed the benefit of the filing date of provisional patent application number 60/108,558, attorney docket number 25791.9, filed on 11-16-1998; (2) utility patent application number , attorney docket number 25791.3.02, filed on 12-3-1999, which claimed the benefit of the filing date of provisional patent application number 60/111,293, attorney docket number 25791.3, filed on 12-7-1998; (3) utility patent application number , attorney docket number 25791.8.02, filed on 2-10-2000, which claimed the benefit of the filing date of provisional patent application number 60/119,611, attorney docket number 25791.8, filed on 2-11-1999; (4) provisional patent application number 60/121,702, attorney docke

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Abstract

A tubular member is expanded by pressurizing an interior region within the tubular member.

Description

EXPANDING A TUBULAR MEMBER Cross Reference To Related Applications The present application claims the benefit of the filing date of U.S. provisional patent application serial no. 60/183,546, attorney docket no. 25791.10, filed on 2/18/2000, the disclosure of which is incorporated herein by reference.
This application is a continuation-in-part of U.S. Serial No. 09/559,122, attorney docket number 25791.23.02, filed on 4/26/2000, which claimed the benefit of the filing date of U.S. provisional patent application serial number 60/131,106, filed on 4/26/1999, which was a continuation-in-part of U.S. patent application serial number 09/523,460, attorney docket number 25791.11.02, filed on 3/10/ 2000, which claimed the benefit of the filing date of U.S. provisional patent application serial no. 60/124,042, filed on 3/11/1999, which was a continuation-in-part of U.S. patent application serial number 09/510,913, attorney docket number 25791.7.02, which claimed the benefit of the filing date of U.S. provisional patent application serial number 60/121,702, filed on 2/25/1999, which was a continuation-in-part of U.S. patent application serial number 09/502,350, attorney docket number 25791.8.02, filed on 2/10/2000, which claimed the benefit of the filing date of U.S. provisional patent application serial number 60/119,611, attorney docket number 25791.8, filed on 2/11/1999, which was a continuation-in-part of U.S. patent application serial number 09/454,139, attorney docket number 25791.3.02, filed on 12/3/1999, which claimed the benefit of the filing date of U.S. provisional patent application serial number 60/111,293, filed on 12/7/1998. The present application is related to the following U.S. patent applications: ( 1) utility patent application number , attorney docket number 25791.9.02, filed on 11-16-1999, which claimed the benefit of the filing date of provisional patent application number 60/108,558, attorney docket number 25791.9, filed on 11-16-1998; (2) utility patent application number , attorney docket number 25791.3.02, filed on 12-3-1999, which claimed the benefit of the filing date of provisional patent application number 60/111,293, attorney docket number 25791.3, filed on 12-7-1998; (3) utility patent application number , attorney docket number 25791.8.02, filed on 2-10-2000, which claimed the benefit of the filing date of provisional patent application number 60/119,611, attorney docket number 25791.8, filed on 2-11-1999; (4) provisional patent application number 60/121,702, attorney docket number 25791.7, filed on 2-25-1999; (5) provisional patent application number 60/121,841, attorney docket number 25791.12, filed on 2-26-1999; (6) provisional patent application number
60/121,907, attorney docket number 25791.16, filed on 2-26-1999; (7) provisional patent application number 60/124,042, attorney docket number 25791.11, filed on 3-11-1999; (8) provisional patent application number 60/131,106, attorney docket number 25791.23, filed on 4-26-1999; (9) provisional patent application number 60/137,998, attorney docket number 25791.17, filed on 6-7-1999; ( 10) provisional patent application number 60/143,039, attorney docket number 25791.26, filed on 7-9-1999; (11) provisional patent application number 60/146,203, attorney docket number 25791.25, filed on 7-29-1999; (12) provisional patent application number , attorney docket number 25791.29, filed on 9-16-1999; (13) provisional patent application number , attorney docket number
25791.34, filed on 10-12-1999; (14) provisional patent application number , attorney docket number 25791.36, filed on 10-12-1999; (13) provisional patent application number 60/159,033, attorney docket number 25791.37, filed on 10-12-1999; (15) provisional patent application number , attorney docket number 25791.27, filed on 11-01-1999.
Applicants incorporate by reference the disclosures of these applications. Background of the Invention
This invention relates generally to wellbore casings, and in particular to wellbore casings that are formed using expandable tubing.
Conventionally, when a wellbore is created, a number of casings are installed in the borehole to prevent collapse of the borehole wall and to prevent undesired outflow of drilling fluid into the formation or inflow of fluid from the formation into the borehole. The borehole is drilled in intervals whereby a casing which is to be installed in a lower borehole interval is lowered through a previously installed casing of an upper borehole interval. As a consequence of this procedure the casing of the lower interval is of smaller diameter than the casing of the upper interval. Thus, the casings are in a nested arrangement with casing diameters decreasing in downward direction. Cement annuli are provided between the outer surfaces of the casings and the borehole wall to seal the casings from the borehole wall. As a consequence of this nested arrangement a relatively large borehole diameter is required at the upper part of the wellbore. Such a large borehole diameter involves increased costs due to heavy casing handling equipment, large drill bits and increased volumes of drilling fluid and drill cuttings. Moreover, increased drilling rig time is involved due to required cement pumping, cement hardening, required equipment changes due to large variations in hole diameters drilled in the course of the well, and the large volume of cuttings drilled and removed.
Conventionally, at the surface end of the wellbore, a wellhead is formed that typically includes a surface casing, a number of production and/or drilling spools, valving, and a Christmas tree. Typically the wellhead further includes a concentric arrangement of casings including a production casing and one or more intermediate casings. The casings are typically supported using load bearing slips positioned above the ground. The conventional design and construction of wellheads is expensive and complex.
Conventionally, a wellbore casing cannot be formed during the drilling of a wellbore. Typically, the wellbore is drilled and then a wellbore casing is formed in the newly drilled section of the wellbore. This delays the completion of a well. The present invention is directed to overcoming one or more of the limitations of the existing procedures for forming wellbores and wellheads.
Summary According to another embodiment of the present invention, a method of expanding a tubular member is provided that includes placing a mandrel within the tubular member, pressurizing an annular region within the tubular member above the mandrel, and displacing the mandrel with respect to the tubular member. According to another embodiment of the present invention, an apparatus for radially expanding a tubular member is provided that includes a first tubular member, a second tubular member positioned within the first tubular member, a third tubular member movably coupled to and positioned within the second tubular member, a first annular sealing member for sealing an interface between the first and second tubular members, a second annular sealing member for sealing an interface between the second and third tubular members, and a mandrel positioned within the first tubular member and coupled to an end of the third tubular member. According to another embodiment of the present invention, an apparatus is provided that includes a tubular member, a piston adapted to expand the diameter of the tubular member positioned within the tubular member, and an annular chamber defined by the piston and tubular member. The piston includes a passage for conveying fluids out of the tubular member. According to another embodiment of the present invention, an apparatus is provided that includes a preexisting structure and a tubular member coupled to the preexisting structure. The tubular member is coupled to the preexisting structure by the process of: positioning the tubular member in an overlapping relationship to the preexisting structure, placing a mandrel within the tubular member, pressurizing an annular region within the tubular member above the mandrel, and displacing the mandrel with respect to the tubular member.
According to another embodiment of the present invention, a method of expanding a tubular member is provided that includes preforming the tubular member to include a first portion, a second portion, and a third portion, placing a mandrel within the second portion of the tubular member, pressurizing a region within the tubular member; and displacing the mandrel with respect to the tubular member. The inside diameter of the second portion of the tubular member is greater than the inside diameters of the first and third portions of the tubular member. According to another embodiment of the present invention, an apparatus for radially expanding a tubular member is provided that includes a first tubular member, a second tubular member coupled to the first tubular member, a third tubular member coupled to the second tubular member, and a mandrel positioned within the second tubular member and coupled to an end portion of the third tubular member. The inside diameter of the second tubular member is greater than the inside diameters of the first and third tubular members. According to another embodiment of the present invention, an apparatus is provided that includes a tubular member having first, second, and third portions, a piston adapted to expand the diameter of the tubular member positioned within the second portion of the tubular member, the piston including a passage for conveying fluids out of the tubular member. The inside diameter of the second portion of the tubular member is greater than the inside diameters of the first and third portions of the tubular member.
According to another embodiment of the present invention, an apparatus is provided that includes a preexisting structure and a tubular member coupled to the preexisting structure. The tubular member is coupled to the preexisting structure by the process of: preforming the tubular member to include first, second, and third portions, positioning the tubular member in an overlapping relationship to the preexisting structure; placing a mandrel within the second portion of the tubular member; pressurizing an interior region within the tubular member; and displacing the mandrel with respect to the tubular member. The inside diameter of the second portion of the tubular member is greater than the inside diameters of the first and third portions of the tubular member.
The present embodiments of the invention provide methods and apparatus for forming and/or repairing wellbore casings, pipelines, and/or structural supports by radially expanding tubular members. In this manner, the formation and repair of wellbore casings, pipelines, and structural supports is improved.
Brief Description of the Drawings FIG. la is a fragmentary cross-section illustration of an embodiment of an apparatus and method for expanding tubular members.
FIG. lb is another fragmentary cross-sectional illustration of the apparatus of FIG. la. FIG. lc is another fragmentary cross-sectional illustration of the apparatus of FIG. la.
FIG. 2a is a fragmentary cross-section illustration of an embodiment of an apparatus and method for expanding tubular members. FIG. 2b is another fragmentary cross-sectional illustration of the apparatus of FIG. 2a.
FIG. 2c is another fragmentary cross-sectional illustration of the apparatus of FIG. 2a.
FIG. 2d is another fragmentary cross-sectional illustration of the apparatus of FIG. 2a.
FIG. 2e is another fragmentary cross-sectional illustration of the apparatus of FIG. 2a.
Detailed Description of the Illustrative Embodiments Referring now to FIGS, la, lb and lc, an apparatus 100 for expanding a tubular member will be described. In a preferred embodiment, the apparatus 100 includes a support member 105, a packer 110, a first fluid conduit 115, an annular fluid passage 120, fluid inlets 125, an annular seal 130, a second fluid conduit 135, a fluid passage 140, a mandrel 145, a mandrel launcher 150, a tubular member 155, slips 160, and seals 165. In a preferred embodiment, the apparatus 100 is used to radially expand the tubular member 155. In this manner, the apparatus 100 may be used to form a wellbore casing, line a wellbore casing, form a pipeline, line a pipeline, form a structural support member, or repair a wellbore casing, pipeline or structural support member. In a preferred embodiment, the apparatus 100 is used to clad at least a portion of the tubular member 155 onto a preexisting tubular member.
The support member 105 is preferably coupled to the packer 110 and the mandrel launcher 150. The support member 105 preferably is a tubular member fabricated from any number of conventional commercially available materials such as, for example, oilfield country tubular goods, low alloy steel, carbon steel, or stainless steel. The support member 105 is preferably selected to fit through a preexisting section of wellbore casing 170. In this manner, the apparatus 100 may be positioned within the wellbore casing 170. In a preferred embodiment, the support member 105 is releasably coupled to the mandrel launcher 150. In this manner, the support member 105 may be decoupled from the mandrel launcher 150 upon the completion of an extrusion operation.
The packer 110 is coupled to the support member 105 and the first fluid conduit 115. The packer 110 preferably provides a fluid seal between the outside surface of the first fluid conduit 115 and the inside surface of the support member 105. In this manner, the packer 110 preferably seals off and, in combination with the support member 105, first fluid conduit 115, second fluid conduit 135, and mandrel 145, defines an annular chamber 175. The packer 110 may be any number of conventional commercially available packers modified in accordance with the teachings of the present disclosure. In a preferred embodiment, the packer 110 is an RTTS packer available from Halliburton Energy Services in order to optimally provide high load and pressure containment capacity while also allowing the packer to be set and unset multiple times without having to pull the packer out of the wellbore.
The first fluid conduit 115 is coupled to the packer 110 and the annular seal 130. The first fluid conduit 115 preferably is an annular member fabricated from any number of conventional commercially available materials such as, for example, oilfield country tubular goods, low alloy steel, carbon steel, or stainless steel. In a preferred embodiment, the first fluid conduit 115 includes one or more fluid inlets 125 for conveying fluidic materials from the annular fluid passage 120 into the chamber 175.
The annular fluid passage 120 is defined by and positioned between the interior surface of the first fluid conduit 115 and the interior surface of the second fluid conduit 135. The annular fluid passage 120 is preferably adapted to convey fluidic materials such as cement, water, epoxy, lubricants, and slag mix at operating pressures and flow rates ranging from about 0 to 3,000 gallons/minute and 0 to 9,000 psi in order to optimally provide flow rates and operational pressures for the radial expansion process. The fluid inlets 125 are positioned in an end portion of the first fluid conduit 115. The fluid inlets 125 preferably are adapted to convey fluidic materials such as cement, water, epoxy, lubricants, and slag mix at operating pressures and flow rates ranging from about 0 to 9,000 psi and 0 to 3,000 gallons/minute in order to optimally provide flow rates and operational pressures for the radial expansion process.
The annular seal 130 is coupled to the first fluid conduit 115 and the second fluid conduit 135. The annular seal 130 preferably provides a fluid seal between the interior surface of the first fluid conduit 115 and the exterior surface of the second fluid conduit 135. The annular seal 130 preferably provides a fluid seal between the interior surface of the first fluid conduit 115 and the exterior surface of the second fluid conduit 135 during relative axial motion of the first fluid conduit 115 and the second fluid conduit 135. The annular seal 130 may be any number of conventional commercially available seals such as, for example, O-rings, polypak seals, or metal spring energized seals. In a preferred embodiment, the annular seal 130 is a polypak seal available from Parker Seals. The second fluid conduit 135 is coupled to the annular seal 130 and the mandrel 145. The second fluid conduit preferably is a tubular member fabricated from any number of conventional commercially available materials such as, for example, coiled tubing, oilfield country tubular goods, low alloy steel, stainless steel, or low carbon steel. In a preferred embodiment, the second fluid conduit 135 is adapted to convey fluidic materials such as cement, water, epoxy, lubricants, and slag mix at operating pressures and flow rates ranging from about 0 to 9,000 psi and 0 to 3,000 gallons/minute in order to optimally provide flow rates and operational pressures for the radial expansion process. The fluid passage 140 is coupled to the second fluid conduit 135 and the mandrel 145. In a preferred embodiment, the fluid passage 140 is adapted to convey fluidic materials such as cement, water, epoxy, lubricants, and slag mix at operating pressures and flow rates ranging from about 0 to 9,000 psi and 0 to 3,000 gallons/minute in order to optimally provide flow rates and operational pressures for the radial expansion process.
The mandrel 145 is coupled to the second fluid conduit 135 and the mandrel launcher 150. The mandrel 145 preferably are an annular member having a conic section fabricated from any number of conventional commercially available materials such as, for example, machine tool steel, ceramics, tungsten carbide, titanium or other high strength alloys. In a preferred embodiment, the angle of the conic section of the mandrel 145 ranges from about 0 to 30 degrees in order to optimally expand the mandrel launcher 150 and tubular member 155 in the radial direction. In a preferred embodiment, the surface of the conic section ranges from about 58 to 62 Rockwell C in order to optimally provide high yield strength. In a preferred embodiment, the expansion cone 145 is heat treated in order to optimally provide a hard outer surface and a resilient interior body in order to optimally provide abrasion resistance and fracture toughness. In an alternative embodiment, the mandrel 145 is expandible in order to further optimally augment the radial expansion process.
The mandrel launcher 150 is coupled to the support member 105, the mandrel 145, and the tubular member 155. The mandrel launcher 150 preferably are a tubular member having a variable cross-section and a reduced wall thickness in order to facilitate the radial expansion process. In a preferred embodiment, the cross-sectional area of the mandrel launcher 150 at one end is adapted to mate with the mandrel 145, and at the other end, the cross-sectional area of the mandrel launcher 150 is adapted to match the cross-sectional area of the tubular member 155. In a preferred embodiment, the wall thickness of the mandrel launcher 150 ranges from about 50 to 100 % of the wall thickness of the tubular member 155 in order to facilitate the initiation of the radial expansion process. The mandrel launcher 150 may be fabricated from any number of conventional commercially available materials such as, for example, oilfield country tubular goods, low allow steel, stainless steel, or carbon steel. In a preferred embodiment, the mandrel launcher 150 is fabricated from oilfield country tubular goods having higher strength but lower wall thickness than the tubular member 155 in order to optimally match the burst strength of the tubular member 155. In a preferred embodiment, the mandrel launcher 150 is removably coupled to the tubular member 155. In this manner, the mandrel launcher 150 may be removed from the wellbore 180 upon the completion of an extrusion operation.
In an alternative embodiment, the support member 105 and the mandrel launcher 150 are integrally formed. In this alternative embodiment, the support member 105 preferably terminates above the top of the packer 110. In this alternative embodiment, the fluid conduits 115 and/or 135 provide structural support for the apparatus 100, using the packer 110 to couple together the elements of the apparatus 100. In this alternative embodiment, in a preferred embodiment, during the radial expansion process, the packer 110 may be unset and reset, after the slips 160 have anchored the tubular member 155 to the previous casing 170, within the tubular member 155, between radial expansion operations. In this manner, the packer 110 is moved downhole and the apparatus 100 is re-stroked.
The tubular member 155 is coupled to the mandrel launcher, the slips 160 and the seals 165. The tubular member 155 preferably is a tubular member fabricated from any number of conventional commercially available materials such as, for example, low alloy steel, carbon steel, stainless steel, or oilfield country tubular goods. In a preferred embodiment, the tubular member 155 is fabricated from oilfield country tubular goods. The slips 160 are coupled to the outside surface of the tubular member
155. The slips 160 preferably are adapted to couple to the interior walls of a casing, pipeline or other structure upon the radial expansion of the tubular member 155. In this manner, the slips 160 provide structural support for the expanded tubular member 155. The slips 160 may be any number of conventional commercially available slips such as, for example, RTTS packer tungsten carbide slips, RTTS packer wicker type mechanical slips or Model 3L retrievable bridge plug tungsten carbide upper mechanical slips. In a preferred embodiment, the slips 160 are RTTS packer tungsten carbide mechanical slips available from Halliburton Energy Services. In a preferred embodiment, the slips 160 are adapted to support axial forces ranging from about 0 to 750,000 lbf. The seals 165 are coupled to the outside surface of the tubular member 155. The seals 165 preferably provide a fluidic seal between the outside surface of the expanded tubular member 155 and the interior walls of a casing, pipeline or other structure upon the radial expansion of the tubular member 155. In this manner, the seals 165 provide a fluidic seal for the expanded tubular member 155. The seals 165 may be any number of conventional commercially available seals such as, for example, nitrile rubber, lead, Aflas rubber, Teflon, epoxy, or other elastomers. In a preferred embodiment, the seals 165 are rubber seals available from numerous commercial vendors in order to optimally provide pressure sealing and load bearing capacity.
During operation of the apparatus 100, the apparatus 100 is preferably lowered into a wellbore 180 having a preexisting section of wellbore casing 170. In a preferred embodiment, the apparatus 100 is positioned with at least a portion of the tubular member 155 overlapping with a portion of the wellbore casing 170. In this manner, the radial expansion of the tubular member 155 will preferably cause the outside surface of the expanded tubular member 155 to couple with the inside surface of the wellbore casing 170. In a preferred embodiment, the radial expansion of the tubular member 155 will also cause the slips 160 and seals 165 to engage with the interior surface of the wellbore casing 170. In this manner, the expanded tubular member 155 is provided with enhanced structural support by the slips 160 and an enhanced fluid seal by the seals 165.
As illustrated in FIG. lb, after placement of the apparatus 100 in an overlapping relationship with the wellbore casing 170, a fluidic material 185 is preferably pumped into the chamber 175 using the fluid passage 120 and the inlet passages 125. In a preferred embodiment, the fluidic material is pumped into the chamber 175 at operating pressures and flow rates ranging from about 0 to 9,000 psi and 0 to 3,000 gallons/minute in order to optimally provide flow rates and operational pressures for the radial expansion process. The pumped fluidic material 185 increase the operating pressure within the chamber 175. The increased operating pressure in the chamber 175 then causes the mandrel 145 to extrude the mandrel launcher 150 and tubular member 155 off of the face of the mandrel 145. The extrusion of the mandrel launcher 150 and tubular member 155 off of the face of the mandrel 145 causes the mandrel launcher 150 and tubular member 155 to expand in the radial direction. Continued pumping of the fluidic material 185 preferably causes the entire length of the tubular member 155 to expand in the radial direction.
In a preferred embodiment, the pumping rate and pressure of the fluidic material 185 is reduced during the latter stages of the extrusion process in order to minimize shock to the apparatus 100. In a preferred embodiment, the apparatus 100 includes shock absorbers for absorbing the shock caused by the completion of the extrusion process.
In a preferred embodiment, the extrusion process causes the mandrel 145 to move in an axial direction 185. During the axial movement of the mandrel, in a preferred embodiment, the fluid passage 140 conveys fluidic material 190 displaced by the moving mandrel 145 out of the wellbore 180. In this manner, the operational efficiency and speed of the extrusion process is enhanced.
In a preferred embodiment, the extrusion process includes the injection of a hardenable fluidic material into the annular region between the tubular member 155 and the bore hole 180. In this manner, a hardened sealing layer is provided between the expanded tubular member 155 and the interior walls of the wellbore 180.
As illustrated in FIG. lc, in a preferred embodiment, upon the completion of the extrusion process, the support member 105, packer 110, first fluid conduit 115, annular seal 130, second fluid conduit 135, mandrel 145, and mandrel launcher 150 are moved from the wellbore 180.
In an alternative embodiment, the apparatus 100 is used to repair a preexisting wellbore casing or pipeline. In this alternative embodiment, both ends of the tubular member 155 preferably include slips 160 and seals 165.
In an alternative embodiment, the apparatus 100 is used to form a tubular structural support for a building or offshore structure.
Referring now to FIGS. 2a, 2b, 2c, 2d, and 2e, an apparatus 200 for expanding a tubular member will be described. In a preferred embodiment, the apparatus 200 includes a support member 205, a mandrel launcher 210, a mandrel 215, a first fluid passage 220, a tubular member 225, slips 230, seals 235, a shoe 240, and a second fluid passage 245. In a preferred embodiment, the apparatus 200 is used to radially expand the mandrel launcher 210 and tubular member 225. In this manner, the apparatus 200 may be used to form a wellbore casing, line a wellbore casing, form a pipeline, line a pipeline, form a structural support member, or repair a wellbore casing, pipeline or structural support member. In a preferred embodiment, the apparatus 200 is used to clad at least a portion of the tubular member 225 onto a preexisting structural member.
The support member 205 is preferably coupled to the mandrel launcher 210. The support member 205 preferably is a tubular member fabricated from any number of conventional commercially available materials such as, for example, oilfield country tubular goods, low alloy steel, carbon steel, or stainless steel. The support member 205, the mandrel launcher 210, the tubular member 225, and the shoe 240 are preferably selected to fit through a preexisting section of wellbore casing 250. In this manner, the apparatus 200 may be positioned within the wellbore casing 270. In a preferred embodiment, the support member 205 is releasably coupled to the mandrel launcher 210. In this manner, the support member 205 may be decoupled from the mandrel launcher 210 upon the completion of an extrusion operation.
The mandrel launcher 210 is coupled to the support member 205 and the tubular member 225. The mandrel launcher 210 preferably are a tubular member having a variable cross-section and a reduced wall thickness in order to facilitate the radial expansion process. In a preferred embodiment, the cross- sectional area of the mandrel launcher 210 at one end is adapted to mate with the mandrel 215, and at the other end, the cross-sectional area of the mandrel launcher 210 is adapted to match the cross-sectional area of the tubular member 225. In a preferred embodiment, the wall thickness of the mandrel launcher 210 ranges from about 50 to 100 % of the wall thickness of the tubular member 225 in order to facilitate the initiation of the radial expansion process. The mandrel launcher 210 may be fabricated from any number of conventional commercially available materials such as, for example, oilfield country tubular goods, low allow steel, stainless steel, or carbon steel. In a preferred embodiment, the mandrel launcher 210 is fabricated from oilfield country tubular goods having higher strength but lower wall thickness than the tubular member 225 in order to optimally match the burst strength of the tubular member 225. In a preferred embodiment, the mandrel launcher 210 is removably coupled to the tubular member 225. In this manner, the mandrel launcher 210 may be removed from the wellbore 260 upon the completion of an extrusion operation.
The mandrel 215 is coupled to the mandrel launcher 210. The mandrel 215 preferably are an annular member having a conic section fabricated from any number of conventional commercially available materials such as, for example, machine tool steel, ceramics, tungsten carbide, titanium or other high strength alloys. In a preferred embodiment, the angle of the conic section of the mandrel 215 ranges from about 0 to 30 degrees in order to optimally expand the mandrel launcher 210 and the tubular member 225 in the radial direction. In a preferred embodiment, the surface of the conic section ranges from about 58 to 62 Rockwell C in order to optimally provide high yield strength. In a preferred embodiment, the expansion cone 215 is heat treated in order to optimally provide a hard outer surface and a resilient interior body in order to optimally provide abrasion resistance and fracture toughness. In an alternative embodiment, the mandrel 215 is expandible in order to further optimally augment the radial expansion process. The fluid passage 220 is positioned within the mandrel 215. The fluid passage 220 is preferably adapted to convey fluidic materials such as cement, water, epoxy, lubricants, and slag mix at operating pressures and flow rates ranging from about 0 to 9,000 psi and 0 to 3,000 gallons/minute in order to optimally provide flow rates and operational pressures for the radial expansion process. The fluid passage 220 preferably includes an inlet 265 adapted to receive a plug, or other similar device. In this manner, the interior chamber 270 above the mandrel 215 may be fluidicly isolated from the interior chamber 275 below the mandrel 215.
The tubular member 225 is coupled to the mandrel launcher 210, the slips 230 and the seals 235. The tubular member 225 preferably is a tubular member fabricated from any number of conventional commercially available materials such as, for example, low alloy steel, carbon steel, stainless steel, or oilfield country tubular goods. In a preferred embodiment, the tubular member 225 is fabricated from oilfield country tubular goods.
The slips 230 are coupled to the outside surface of the tubular member 225. The slips 230 preferably are adapted to couple to the interior walls of a casing, pipeline or other structure upon the radial expansion of the tubular member 225. In this manner, the slips 230 provide structural support for the expanded tubular member 225. The slips 230 may be any number of conventional commercially available slips such as, for example, RTTS packer tungsten carbide mechanical slips, RTTS packer wicker type mechanical slips, or Model 3L retrievable bridge plug tungsten carbide upper mechanical slips. In a preferred embodiment, the slips 230 are adapted to support axial forces ranging from about 0 to 750,000 lbf.
The seals 235 are coupled to the outside surface of the tubular member 225. The seals 235 preferably provide a fluidic seal between the outside surface of the expanded tubular member 225 and the interior walls of a casing, pipeline or other structure upon the radial expansion of the tubular member 225. In this manner, the seals 235 provide a fluidic seal for the expanded tubular member 225. The seals 235 may be any number of conventional commercially available seals such as, for example, nitrile rubber, lead, Aflas rubber, Teflon, epoxy or other elastomers. In a preferred embodiment, the seals 235 are conventional rubber seals available from various commercial vendors in order to optimally provide pressure sealing and load bearing capacity.
The shoe 240 is coupled to the tubular member 225. The shoe 240 preferably is a substantially tubular member having a fluid passage 245 for conveying fluidic materials from the chamber 275 to the annular region 270 outside of the apparatus 200. The shoe 240 may be any number of conventional commercially available shoes such as, for example, a Super Seal II float shoe, a Super Seal II Down-Jet float shoe, or a guide shoe with a sealing sleeve for a latch down plug modified in accordance with the teachings of the present disclosure. In a preferred embodiment, the shoe 240 is an aluminum down-jet guide shoe with a sealing sleeve for a latch down plug, available from
Halliburton Energy Services, modified in accordance with the teachings of the present disclosure, in order to optimally guide the tubular member 225 in the wellbore, optimally provide a fluidic seal between the interior and exterior diameters of the overlapping joint between the tubular members, and optimally facilitate the complete drilling out of the shoe and plug upon the completion of the cementing and radial expansion operations.
During operation of the apparatus 200, the apparatus 200 is preferably lowered into a wellbore 260 having a preexisting section of wellbore casing 275. In a preferred embodiment, the apparatus 200 is positioned with at least a portion of the tubular member 225 overlapping with a portion of the wellbore casing 275. In this manner, the radial expansion of the tubular member 225 will preferably cause the outside surface of the expanded tubular member 225 to couple with the inside surface of the wellbore casing 275. In a preferred embodiment, the radial expansion of the tubular member 225 will also cause the slips 230 and seals 235 to engage with the interior surface of the wellbore casing 275. In this manner, the expanded tubular member 225 is provided with enhanced structural support by the slips 230 and an enhanced fluid seal by the seals 235.
As illustrated in FIG. 2b, after placement of the apparatus 200 in an overlapping relationship with the wellbore casing 275, a fluidic material 280 is preferably pumped into the chamber 270. The fluidic material 280 then passes through the fluid passage 220 into the chamber 275. The fluidic material 280 then passes out of the chamber 275, through the fluid passage 245, and into the annular region 270. In a preferred embodiment, the fluidic material 280 is pumped into the chamber 270 at operating pressures and flow rates ranging from about 0 to 9,000 psi and 0 to 3,000 gallons/minute in order to optimally provide flow rates and operational pressures for the radial expansion process. In a preferred embodiment, the fluidic material 280 is a hardenable fluidic sealing material in order to form a hardened outer annular member around the expanded tubular member 225.
As illustrated in FIG. 2c, at some later point in the process, a ball 285, plug or other similar device, is introduced into the pumped fluidic material 280. In a preferred embodiment, the ball 285 mates with and seals off the inlet 265 of the fluid passage 220. In this manner, the chamber 270 is fluidicly isolated from the chamber 275.
As illustrated in FIG. 2d, after placement of the ball 285 in the inlet 265 of the fluid passage 220, a fluidic material 290 is pumped into the chamber 270. The fluidic material is preferably pumped into the chamber 270 at operating pressures and flow rates ranging from about 0 to 9,000 psi and 0 to 3,000 gallons/minute in order to provide optimal operating efficiency. The fluidic material 290 may be any number of conventional commercially available materials such as, for example, water, drilling mud, cement, epoxy, or slag mix. In a preferred embodiment, the fluidic material 290 is a non-hardenable fluidic material in order to maximize operational efficiency.
Continued pumping of the fluidic material 290 increases fluidic material 280 increases the operating pressure within the chamber 270. The increased operating pressure in the chamber 270 then causes the mandrel 215 to extrude the mandrel launcher 210 and tubular member 225 off of the conical face of the mandrel 215. The extrusion of the mandrel launcher 210 and tubular member 225 off of the conical face of the mandrel 215 causes the mandrel launcher 210 and tubular member 225 to expand in the radial direction. Continued pumping of the fluidic material 290 preferably causes the entire length of the tubular member 225 to expand in the radial direction.
In a preferred embodiment, the pumping rate and pressure of the fluidic material 290 is reduced during the latter stages of the extrusion process in order to minimize shock to the apparatus 200. In a preferred embodiment, the apparatus 200 includes shock absorbers for absorbing the shock caused by the completion of the extrusion process. In a preferred embodiment, the extrusion process causes the mandrel 215 to move in an axial direction 295. As illustrated in FIG. 2e, in a preferred embodiment, upon the completion of the extrusion process, the support member 205, packer 210, first fluid conduit 215, annular seal 230, second fluid conduit 235, mandrel 245, and mandrel launcher 250 are removed from the wellbore 280. In a preferred embodiment, the resulting new section of wellbore casing includes the preexisting wellbore casing 275, the expanded tubular member 225, the slips 230, the seals 235, the shoe 240, and an outer annular layer 4000 of hardened fluidic material.
In an alternative embodiment, the apparatus 200 is used to repair a preexisting wellbore casing or pipeline. In this alternative embodiment, both ends of the tubular member 255 preferably include slips 260 and seals 265.
In an alternative embodiment, the apparatus 200 is used to form a tubular structural support for a building or offshore structure.
In a preferred embodiment, the tubular members 105 and 225; shoes 240; expansion cone launchers 150 and 210; and expansion cones 145 and 215 are provided substantially as described in one or more of the following U.S. patent applications: (1) utility patent application number , attorney docket number 25791.9.02, filed on 11-16-1999, which claimed the benefit of the filing date of provisional patent application number 60/108,558, attorney docket number 25791.9, filed on 11-16-1998; (2) utility patent application number , attorney docket number 25791.3.02, filed on 12-3-1999, which claimed the benefit of the filing date of provisional patent application number 60/111,293, attorney docket number 25791.3, filed on 12-7-1998; (3) utility patent application number , attorney docket number 25791.8.02, filed on 2-10-2000, which claimed the benefit of the filing date of provisional patent application number 60/119,611, attorney docket number 25791.8, filed on 2-11-1999; (4) provisional patent application number 60/121,702, attorney docket number 25791.7, filed on 2-25-1999; (5) provisional patent application number 60/121,841, attorney docket number 25791.12, filed on 2-26-1999; (6) provisional patent application number 60/121,907, attorney docket number 25791.16, filed on 2-26-1999; (7) provisional patent application number 60/124,042, attorney docket number 25791.11, filed on 3-11-1999; (8) provisional patent application number 60/131,106, attorney docket number 25791.23, filed on 4-26-1999; (9) provisional patent application number 60/137,998, attorney docket number 25791.17, filed on 6-7-1999; (10) provisional patent application number 60/143,039, attorney docket number 25791.26, filed on 7-9-1999; (11) provisional patent application number 60/146,203, attorney docket number 25791.25, filed on 7-29-1999; (12) provisional patent application number , attorney docket number
25791.29, filed on 9-16-1999; (13) provisional patent application number , attorney docket number 25791.34, filed on 10-12-1999; (14) provisional patent application number , attorney docket number
25791.36, filed on 10-12-1999; (13) provisional patent application number 60/159,033, attorney docket number 25791.37, filed on 10-12-1999; (15) provisional patent application number , attorney docket number
25791.27, filed on 11-01-1999. Applicants incorporate by reference the disclosures of these applications.
Although illustrative embodiments of the invention have been shown and described, a wide range of modification, changes and substitution is contemplated in the foregoing disclosure. In some instances, some features of the present invention may be employed without a corresponding use of the other features. Accordingly, it is appropriate that the appended claims be construed broadly and in a manner consistent with the scope of the invention.

Claims

Claims What is claimed is:
1. A method of coupling a tubular member to a preexisting structure, comprising: positioning the tubular member in an overlapping relationship to the preexisting structure; placing a mandrel within the tubular member; pressurizing an annular region within the tubular member above the mandrel; and displacing the mandrel with respect to the tubular member.
2. The method of claim 1, further comprising: removing fluids within the tubular member that are displaced by the displacement of the mandrel.
3. The method of claim 2, wherein the removed fluids pass inside the annular region.
4. The method of claim 1, wherein the volume of the annular region increases.
5. The method of claim 1, further including sealing off the annular region.
6. The method of claim 5, wherein sealing off the annular region includes sealing a stationary member and sealing a non-stationary member.
7. The method of claim 1, further including conveying fluids in opposite directions.
8. The method of claim 1, further including conveying a pressurized fluid and a non-pressurized fluid in opposite directions.
9. The method of claim 1, wherein the pressurizing is provided at operating pressures ranging from about 0 to 9,000 psi.
10. The method of claim 1, wherein the pressurizing is provided at flow rates ranging from about 0 to 3,000 gallons/minute.
11. An apparatus for radially expanding a tubular member, comprising: a first tubular member; a second tubular member positioned within the first tubular member; a third tubular member movably coupled to and positioned within the second tubular member; a first annular sealing member for sealing an interface between the first and second tubular members; a second annular sealing member for sealing an interface between the second and third tubular members; and a mandrel positioned within the first tubular member and coupled to an end of the third tubular member.
12. The apparatus of claim 11, further including an annular chamber defined by the first tubular member, the second tubular member, the third tubular member, the first annular sealing member, the second annular sealing member, and the mandrel.
13. The apparatus of claim 11, further including an annular passage defined by the second tubular member and the third tubular member.
14. The apparatus of claim 11, further including a fluid passage contained within the third tubular member and the mandrel.
15. The apparatus of claim 11, further including one or more sealing members coupled to an exterior surface of the first tubular member.
16. The apparatus of claim 11, further including: an annular chamber defined by the first tubular member, the second tubular member, the third tubular member, the first annular sealing member, the second annular sealing member, and the mandrel; and an annular passage defined by the second tubular member and the third tubular member.
17. The apparatus of claim 16, wherein the annular chamber and the annular passage are fluidicly coupled.
18. The apparatus of claim 11, further including one or more slips coupled to the exterior surface of the first tubular member.
19. The apparatus of claim 11, wherein the mandrel includes a conical surface.
20. The apparatus of claim 19, wherein the angle of attack of the conical surface ranges from about 0 to 30 degrees.
21. The apparatus of claim 19, wherein the conical surface has a surface hardness ranging from about 58 to 62 Rockwell C.
22. An apparatus, comprising: a tubular member; a piston adapted to expand the diameter of the tubular member positioned within the tubular member, the piston including a passage for conveying fluids out of the tubular member; and an annular chamber defined by the piston and tubular member.
23. The apparatus of claim 22, wherein the piston includes a conical surface.
24. The apparatus of claim 23, wherein the angle of attack of the conical surface ranges from about 0 to 30 degrees.
25. The apparatus of claim 24, wherein the conical surface has a surface hardness ranging from about 58 to 62 Rockwell C.
26. The apparatus of claim 24, wherein the tubular member includes one or more sealing members coupled to the exterior surface of the tubular member.
27. An apparatus, comprising: a first tubular member; and a second tubular member coupled to the first tubular member by the process of: positioning the second tubular member in an overlapping relationship to the first tubular member placing a mandrel within the second tubular member; pressurizing an annular region within the second tubular member above the mandrel; and displacing the mandrel with respect to the second tubular member.
28. The apparatus of claim 27, wherein the process for coupling the second tubular member to the first tubular member further comprises: removing fluids within the second tubular member that are displaced by the displacement of the mandrel.
29. The apparatus of claim 28, wherein the removed fluids pass inside the annular region.
30. The apparatus of claim 27, wherein the volume of the annular region increases.
31. The apparatus of claim 27, wherein the process for coupling the second tubular member to the first tubular member further comprises sealing off the annular region.
32. The apparatus of claim 31, wherein sealing off the annular region includes sealing a stationary member and sealing a non-stationary member.
33. The apparatus of claim 27, wherein the process for coupling the second tubular member to the first tubular member further comprises conveying fluids in opposite directions.
34. The apparatus of claim 27, wherein the process for coupling the second tubular member to the first tubular member further comprises conveying a pressurized fluid and a non-pressurized fluid in opposite directions.
35. The apparatus of claim 27, wherein the pressurizing is provided at operating pressures ranging from about 0 to 9,000 psi.
36. The apparatus of claim 27, wherein the pressuring is provided at flow rates ranging from about 0 to 3,000 gallons/minute.
37. The apparatus of claim 27, wherein the first tubular member includes a defective portion; and wherein the second tubular member is positioned in opposing relation to the defective portion.
38. A method of coupling a tubular member to a preexisting structure, comprising: preforming the tubular member to include a first portion, a second portion and a third portion; placing a mandrel within the second portion of the tubular member; positioning the tubular member in an overlapping relationship to the preexisting structure; pressurizing an interior region within the tubular member above the mandrel; and displacing the mandrel with respect to the tubular member; wherein the inside diameter of the second portion of the tubular member is greater than the inside diameters of the first and third portions of the tubular member.
39. The method of claim 38, wherein the pressurizing is provided at operating pressures ranging from about 0 to 9,000 psi.
40. The method of claim 38, wherein the pressurizing is provided at flow rates ranging from about 0 to 3,000 gallons/minute.
41. The method of claim 38, wherein the tubular member is expanded beginning at an upper portion of the tubular member.
42. An apparatus for radially expanding a tubular member, comprising: a first tubular member; a second tubular member coupled to the first tubular member; a third tubular member coupled to the second tubular member; and a mandrel positioned within the second tubular member and coupled to an end portion of the third tubular member; wherein the inside diameter of the second tubular member is greater than the inside diameters of the first and third tubular members.
43. The apparatus of claim 42, wherein the mandrel includes a fluid passage having an inlet adapted to receive fluid stop member.
44. The apparatus of claim 42, further including one or more slips coupled to the exterior surface of the third tubular member.
45. The apparatus of claim 42, wherein the mandrel includes a conical surface.
46. The apparatus of claim 45, wherein the angle of attack of the conical surface ranges from about 0 to 30 degrees.
47. The apparatus of claim 45, wherein the conical surface has a surface hardness ranging from about 58 to 62 Rockwell C.
48. An apparatus, comprising: a tubular member having a first portion, a second portion, and a third portion; and a piston adapted to expand the diameter of the tubular member positioned within the second portion of the tubular member, the piston including a passage for conveying fluids out of the tubular member; wherein the inside diameter of the second portion of the tubular member is greater than the inside diameters of the first and third portions of the tubular member.
50. The apparatus of claim 49, wherein the piston includes a conical surface.
51. The apparatus of claim 50, wherein the angle of attack of the conical surface ranges from about 0 to 30 degrees.
52. The apparatus of claim 50, wherein the conical surface has a surface hardness ranging from about 58 to 62 Rockwell C.
53. The apparatus of claim 49, wherein the tubular member includes one or more sealing members coupled to the exterior surface of the tubular member.
04. An apparatus, comprising: a preexisting structure; and a tubular member coupled to the preexisting structure by the process of: preforming the tubular member to include a first portion, a second portion and a third portion; placing a mandrel within the second portion of the tubular member; positioning the tubular member in an overlapping relationship to the preexisting structure; pressurizing an interior region within the tubular member above the mandrel; and displacing the mandrel with respect to the tubular member; wherein the inside diameter of the second portion of the tubular member is greater than the inside diameters of the first and third portions of the tubular member.
55. The apparatus of claim 54, wherein the pressurizing is provided at operating pressures ranging from about 0 to 9,000 psi.
56. The method of claim 54, wherein the pressurizing is provided at flow rates ranging from about 0 to 3,000 gallons/minute.
57. A method of coupling a tubular member to a preexisting structure, comprising: positioning the tubular member in an overlapping relationship to the preexisting structure; placing a mandrel within the tubular member; sealing off an annular region within the tubular member above the mandrel by sealing a stationary member and sealing a non- stationary member; pressurizing the annular region; displacing the mandrel with respect to the tubular member; and removing fluids within the tubular member that are displaced by the displacement of the mandrel by passing the removed fluids inside of the annular region.
58. An apparatus for coupling a tubular member to a preexisting structure, comprising: means for positioning the tubular member in an overlapping relationship to the preexisting structure; means for placing a mandrel within the tubular member; means for sealing off an annular region within the tubular member above the mandrel by sealing a stationary member and sealing a non-stationary member; means for pressurizing the annular region; means for displacing the mandrel with respect to the tubular member; and means for removing fluids within the tubular member that are displaced by the displacement of the mandrel by passing the removed fluids inside of the annular region.
59. An apparatus for radially expanding a tubular member, comprising: a first tubular member; a second tubular member positioned within the first tubular member; a third tubular member movably coupled to and positioned within the second tubular member; a first annular sealing member for sealing an interface between the first and second tubular members; a second annular sealing member for sealing an interface between the second and third tubular members; a mandrel positioned within the first tubular member and coupled to an end of the third tubular member; an annular chamber defined by the first tubular member, the second tubular member, the third tubular member, the first annular sealing member, the second annular sealing member, and the mandrel; a fluid passage defined by the third tubular member and the mandrel fluidicly coupled to an interior region of the first tubular member below the mandrel; and an annular passage defined by the second tubular member and the third tubular member fluidicly coupled to the annular chamber.
60. An apparatus, comprising: a first tubular member; and a second tubular member coupled to the first tubular member by the process of: positioning the second tubular member in an overlapping relationship to the first tubular member; placing a mandrel within the second tubular member; sealing off an annular region within the second tubular member above the mandrel by sealing a stationary member and sealing a non- stationary member; pressurizing the annular region; displacing the mandrel with respect to the second tubular member; and removing fluids within the second tubular member that are displaced by the displacement of the mandrel by passing the removed fluids inside of the annular region.
61. A method of coupling a tubular member to a preexisting structure, comprising: preforming the tubular member to include a first portion, a second portion and a third portion; placing a mandrel within the second portion of the tubular member; positioning the tubular member in an overlapping relationship to the preexisting structure; pressurizing an interior region within the tubular member above the mandrel; and displacing the mandrel with respect to the tubular member; wherein the inside diameter of the second portion of the tubular member is greater than the inside diameters of the first and third portions of the tubular member; wherein the pressurizing is provided at operating pressures ranging from about 0 to 9,000 psi; and wherein the pressurizing is provided at flow rates ranging from about 0 to 3,000 gallons/minute.
62. An apparatus for coupling a tubular member to a preexisting structure, comprising: means for preforming the tubular member to include a first portion, a second portion and a third portion; means for placing a mandrel within the second portion of the tubular member; means for positioning the tubular member in an overlapping relationship to the preexisting structure; means for pressurizing an interior region within the tubular member above the mandrel; and means for displacing the mandrel with respect to the tubular member; wherein the inside diameter of the second portion of the tubular member is greater than the inside diameters of the first and third portions of the tubular member; wherein the means for pressurizing is provided at operating pressures ranging from about 0 to 9,000 psi; and wherein the means for pressurizing is provided at flow rates ranging from about 0 to 3,000 gallons/minute.
63. An apparatus for radially expanding a tubular member, comprising: a first tubular member; a second tubular member coupled to the first tubular member; a third tubular member coupled to the second tubular member; one or more slips coupled to the exterior surface of the third tubular member; and a mandrel having a conical outer surface including an angle of attack between about 0 to 30 degrees and a surface hardness ranging from about 58 to 62 Rockwell C positioned within the second tubular member and coupled to an end portion of the third tubular member; wherein the inside diameter of the second tubular member is greater than the inside diameters of the first and third tubular members; wherein the mandrel includes a fluid passage having an inlet adapted to receive fluid stop member.
64. An apparatus, comprising: a preexisting structure; and a tubular member coupled to the preexisting structure by the process of: preforming the tubular member to include a first portion, a second portion and a third portion; placing a mandrel within the second portion of the tubular member; positioning the tubular member in an overlapping relationship to the preexisting structure; pressurizing an interior region within the tubular member above the mandrel; and displacing the mandrel with respect to the tubular member; wherein the inside diameter of the second portion of the tubular member is greater than the inside diameters of the first and third portions of the tubular member; wherein the pressurizing is provided at operating pressures ranging from about 0 to 9,000 psi; and wherein the pressurizing is provided at flow rates ranging from about 0 to 3,000 gallons/minute
PCT/US2001/004753 1998-12-07 2001-02-14 Expanding a tubular member WO2001060545A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US10/169,434 US7603758B2 (en) 1998-12-07 2001-02-14 Method of coupling a tubular member
CA2397480A CA2397480C (en) 2000-02-18 2001-02-14 Expanding a tubular member
AU38263/01A AU780123B2 (en) 2000-02-18 2001-02-14 Expanding a tubular member
GB0216409A GB2373468B (en) 2000-02-18 2001-02-14 Expanding a tubular member
NO20023885A NO328521B1 (en) 2000-02-18 2002-08-16 Apparatus and method for radially expanding a tubular part
US11/553,240 US20070151725A1 (en) 1998-12-07 2006-10-26 Expanding a tubular member

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18354600P 2000-02-18 2000-02-18
US60/183,546 2000-02-18

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CA (1) CA2397480C (en)
GB (1) GB2373468B (en)
NO (1) NO328521B1 (en)
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