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WO2015176369A1 - Filtre à sable extensible - Google Patents

Filtre à sable extensible Download PDF

Info

Publication number
WO2015176369A1
WO2015176369A1 PCT/CN2014/082122 CN2014082122W WO2015176369A1 WO 2015176369 A1 WO2015176369 A1 WO 2015176369A1 CN 2014082122 W CN2014082122 W CN 2014082122W WO 2015176369 A1 WO2015176369 A1 WO 2015176369A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe
sand screen
wall
inner pipe
expandable sand
Prior art date
Application number
PCT/CN2014/082122
Other languages
English (en)
Inventor
Bo QI
Liang Yan
Original Assignee
Tianjin Top Cloud East Energy Technology Co., Ltd.
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 Tianjin Top Cloud East Energy Technology Co., Ltd. filed Critical Tianjin Top Cloud East Energy Technology Co., Ltd.
Publication of WO2015176369A1 publication Critical patent/WO2015176369A1/fr

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
    • E21B43/108—Expandable screens or perforated liners

Definitions

  • the present invention relates to the field of petroleum exploitation, and more particularly to an expandable sand screen.
  • the expandable sand screen technology is a new merging sand control technology, in which a sand control screen expands its diameter during downhole construction. This technology was first applied to the Oman Thayfut5 well. After it is put into production, the sand control effect was proved.
  • An expandable sand screen includes an inner pipe, an intermediate pipe fixedly sleeved on the inner pipe, and an outer pipe fixedly sleeved on the intermediate pipe, where a plurality of slots is distributed on a wall of the inner pipe, the intermediate pipe is formed by a wire-like object that is wound spirally, and a plurality of holes is distributed on a wall of the outer pipe.
  • the slots on the inner pipe have a length of 20 to 100 mm and a width of 1 to 10 mm, and are evenly distributed on the wall.
  • the holes on the wall of the outer pipe are round holes having a diameter of 5 to 20 mm, elongated holes having a length of 5 to 30 mm and a width of 1 to 10 mm, or elliptical holes, and are evenly distributed on the wall.
  • a distance between two ends of the inner pipe is longer than the
  • intermediate pipe (2) and the outer pipe (3) one end being provided with an external thread and the other end being provided with an internal thread.
  • the size of sand particles to be filtered can be precisely controlled.
  • the expanded diameter increases the drainage area and reduces the oil flow resistance, increasing the daily crude oil production per well by 30-50%.
  • the maximum sealing pressure of the casing is sealed to withstand a pressure of 50 MPa, so as to ensure the quality of well cementing.
  • an anchor may be provided to fix the hanger at the bottom.
  • a liquid adhesive is provided for the expandable hanger at the top so as to ensure the reliability of circumferential sealing.
  • the expansion resistance is balanced between the porous section and the connection section of the sand screen, and the circumferentially continuous layer of the sand screen forms a statically determinate arch structure, which has a high overall structural rigidity and is stable and durable and not subject to deformation and damage. 6. After downhole expansion, the gap in the stainless steel wire that forms the intermediate pipe can be controlled.
  • FIG. 1 is a schematic structural view of the present invention.
  • the slots on the inner pipe 1 have a length of 60 mm and a width of 5 mm, and are evenly distributed on the wall. Two ends of the slot are rounded to provide a smooth transition.
  • the intermediate pipe 2 is formed by a stainless steel wire that is wound continuously and spirally.
  • a distance between two ends of the inner pipe 1 is longer than the intermediate pipe 2 and the outer pipe 3, one end being provided with an external thread and the other end being provided with an internal thread, so that a plurality of inner pipes 1 can be connected to each other.
  • This solution is not only applicable to drilling of petroleum wells, but also is applicable to drilling of other wells and geothermal wells as required.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

Selon l'invention, un filtre à sable extensible comprend un tuyau intérieur, un tuyau intermédiaire emmanché de façon fixe sur le tuyau intérieur, et un tuyau extérieur emmanché de façon fixe sur le tuyau intermédiaire, une pluralité de fentes étant distribuée sur une paroi du tuyau intérieur, le tuyau intermédiaire étant formé par un objet ressemblant à un câble qui est enroulé en spirale, et une pluralité de trous étant distribuée sur une paroi du tuyau extérieur. La taille des particules de sable à filtrer peut être maîtrisée précisément ; le diamètre étendu augmente la zone de drainage et réduit la résistance à l'écoulement de pétrole, et la production quotidienne de pétrole brut est augmentée de 30-50 % par puits.
PCT/CN2014/082122 2014-05-23 2014-07-14 Filtre à sable extensible WO2015176369A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410223276.6 2014-05-23
CN201410223276.6A CN103967456A (zh) 2014-05-23 2014-05-23 一种膨胀筛管

Publications (1)

Publication Number Publication Date
WO2015176369A1 true WO2015176369A1 (fr) 2015-11-26

Family

ID=51237414

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/082122 WO2015176369A1 (fr) 2014-05-23 2014-07-14 Filtre à sable extensible

Country Status (2)

Country Link
CN (1) CN103967456A (fr)
WO (1) WO2015176369A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110259409A (zh) * 2019-07-17 2019-09-20 中石化石油工程技术服务有限公司 封隔器卡瓦防砂装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106522897B (zh) * 2016-12-22 2018-12-28 天津冠力博石油科技有限公司 可控除砂粒度的膨胀筛管装置
CN107100595B (zh) * 2017-06-01 2018-12-25 中国石油集团渤海钻探工程有限公司 一种可膨胀防砂筛管

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996037681A1 (fr) * 1995-05-24 1996-11-28 Petroline Wellsystems Limited Ensemble raccord pour tuyau rainure extensible
CN2387263Y (zh) * 1999-09-07 2000-07-12 辽河石油勘探局钻采工艺研究院 扩张式防砂筛管
WO2001088332A1 (fr) * 2000-05-18 2001-11-22 Halliburton Energy Services, Inc. Ensemble crepine de puits extensible a paroi mince et procedes de fabrication associes
CN2844428Y (zh) * 2005-06-08 2006-12-06 孙静 油田专用不锈钢防砂筛管
CN201162500Y (zh) * 2008-03-13 2008-12-10 中国石化集团胜利石油管理局钻井工艺研究院 无节箍膨胀筛管螺纹连接结构
CN201162528Y (zh) * 2008-03-13 2008-12-10 中国石化集团胜利石油管理局钻井工艺研究院 一种可膨胀防砂筛管

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5782299A (en) * 1996-08-08 1998-07-21 Purolator Products Company Particle control screen assembly for a perforated pipe used in a well, a sand filter system and methods of making the same
CN101067370B (zh) * 2007-04-23 2010-08-18 中国石油大学(华东) 自适应充填膨胀筛管及其膨胀方法
CN101532378A (zh) * 2008-03-13 2009-09-16 中国石化集团胜利石油管理局钻井工艺研究院 一种可膨胀防砂筛管
CN201802369U (zh) * 2010-10-10 2011-04-20 中国石油化工股份有限公司 注聚井防堵塞滤砂管
CN203835350U (zh) * 2014-05-23 2014-09-17 天津前云东方能源科技有限公司 一种膨胀筛管

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996037681A1 (fr) * 1995-05-24 1996-11-28 Petroline Wellsystems Limited Ensemble raccord pour tuyau rainure extensible
CN2387263Y (zh) * 1999-09-07 2000-07-12 辽河石油勘探局钻采工艺研究院 扩张式防砂筛管
WO2001088332A1 (fr) * 2000-05-18 2001-11-22 Halliburton Energy Services, Inc. Ensemble crepine de puits extensible a paroi mince et procedes de fabrication associes
CN2844428Y (zh) * 2005-06-08 2006-12-06 孙静 油田专用不锈钢防砂筛管
CN201162500Y (zh) * 2008-03-13 2008-12-10 中国石化集团胜利石油管理局钻井工艺研究院 无节箍膨胀筛管螺纹连接结构
CN201162528Y (zh) * 2008-03-13 2008-12-10 中国石化集团胜利石油管理局钻井工艺研究院 一种可膨胀防砂筛管

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110259409A (zh) * 2019-07-17 2019-09-20 中石化石油工程技术服务有限公司 封隔器卡瓦防砂装置

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