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WO2008035279A2 - Huile minérale non toxique et son procédé de préparation en tant que matière de base de boue de forage - Google Patents

Huile minérale non toxique et son procédé de préparation en tant que matière de base de boue de forage Download PDF

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Publication number
WO2008035279A2
WO2008035279A2 PCT/IB2007/053755 IB2007053755W WO2008035279A2 WO 2008035279 A2 WO2008035279 A2 WO 2008035279A2 IB 2007053755 W IB2007053755 W IB 2007053755W WO 2008035279 A2 WO2008035279 A2 WO 2008035279A2
Authority
WO
WIPO (PCT)
Prior art keywords
drilling mud
mineral oil
base material
oil
hydrocracker
Prior art date
Application number
PCT/IB2007/053755
Other languages
English (en)
Other versions
WO2008035279A3 (fr
Inventor
Widradjat Aboekasan
H. Suparlan
Jakob Wirya
Agus Istiawan
Darmawan A
Albin Ginting
Husni Fachruddin
Tamsil Ambismar
Original Assignee
Pt. Pertamina (Persero)
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 Pt. Pertamina (Persero) filed Critical Pt. Pertamina (Persero)
Publication of WO2008035279A2 publication Critical patent/WO2008035279A2/fr
Publication of WO2008035279A3 publication Critical patent/WO2008035279A3/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02—Well-drilling compositions
    • C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
    • C09K8/36—Water-in-oil emulsions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
    • C10G2400/10—Lubricating oil

Definitions

  • the invention is related to non-toxic mineral oil that is used as base material of drilling mud for oil and gas wells.
  • Prior art inventions are applications of mineral oils in form of diesel oil as base material of drilling mud .
  • Diesel oil contains high contents of sulfur and aromatic , so that its use as drilling mud can result in environmental damages .
  • the present invention provides a solution for solving both above mentioned problems.
  • the present invention provides mineral oils as base material of drilling mud having good properties and performances, environmental friendly, and can be produced at low costs.
  • the base materials used generally are diesel oils.
  • the high sulfur and aromatic contents in diesel oils cause said diesel oils to have toxic behavior.
  • other alternative is needed in using mineral oil as base materials of drilling mud.
  • the objective of this invention is to create mineral oil product as base materials of drilling mud having good properties and performances, environmental friendly and having production costs that are lower than those of synthetic oils.
  • This invention is product of hydrocarbons having experienced further processing so that sulfur and aromatic contents can be reduced as to lower its toxicity.
  • Mineral oil as base materials of drilling mud which presents the core of this invention is obtained from hydrocracking process.
  • the raw materials are coming from crude oils that have undergone Atmospheric Distillation & Vacuum Distillation processes.
  • the feedstock of the hydrocracker includes middle distillate fractions.
  • Mud usually used for oil and gas well drilling operations are of 2 types, that is mud of freshwater base material or drilling mud of water base (waterbasedmud) and mud of oil base material (oilbased mud)ordrilling mud of oil base.
  • the main difference between the two mud types is in the continuous phases, that is by thedrilling mud of water basethe continuous phase is waterand the resulting filtrate is also water, while on the other hand, by thedrilling mud of oil basethe continuous phase is oil.
  • drilling mud of oil base has superiority compared to the drilling mud of water baseat least in 7 (seven) aspects.
  • the drilling mud of oil base has two kinds of base materials. First, it is drilling mud of mineral oil base materials . Second, it is drilling mud of synthetic oil base materials.
  • the base materials used generally are diesel oil.
  • the high sulfur and aromatic contents in diesel oil caused the diesel oil is of toxic behavior.
  • another alternative is needed, that is the use of mineral oil as base materials for the drilling mud .
  • Mineral oil in this invention is product of hydrocarbon having experienced further processing so that sulfur and aromatic contents can be reduced as to reduce its toxicity .
  • Mineral oil as base material of drilling mud that presents the core of this invention is crude oils having experienced Atmospheric Distillation and Vacuum Distillation processes. The raw materials of the hydrocracker are coming from the side streams of the Vacuum Distillation that is so called as HVGO.
  • the additives have at least 10 (ten) functions.
  • Primary Emulsifier serves to form stable emulsion.
  • the Emulsifier makes the dispersion of two immiscible fluids possible , to form internal and external phases.
  • Viscosifier is used to make suspension and to maintain suspension capacity within the oil mud .
  • Secondary Emulsifier is used as Wetting Agent adhesive to make the solid to become oil- wet system.
  • Fluid Loss Control is used to maintain holes integrity protecting water- sensitive shale against water.
  • pH Adjuster is for controlling alkalinity and activ- atingEmulsifierat internal phase (water) in the emulsion.
  • Sixth, Weighting Agent is used to increasemud density to control formation pressure.
  • Emulsion Stabilizer is used to stabilize the formed emulsion.
  • Temperature Stabilizer is used to maintain the stability of the mud properties againsttemperature changes.
  • Rheology Control is used to maintain the mud rheology properties remain stable at high temperature and high pressure.
  • This invention is proven to have good performance and quality as base materials for drilling mud that is based on mineral oil. Furthermore, the drilling mud produced has also good quality . This is shown in the following table.
  • This invention is proven also to provide mineral oil as base material of drilling mud that is non-toxic. At the time this invention was trial-tested on windu shrimp, it was shown that up to concentration higher than 100,000 mg/liter, the number of the dead test animals was less than 50%.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

Jusqu'à présent, la matière de base de boue de forage utilisant des huiles minérales était de l'huile diesel. Cette huile contient des teneurs élevées en soufre et en aromatiques qui peuvent provoquer des dommages environnementaux. En dehors des huiles minérales, comme matière de base de boue de forage, une huile synthétique est également utilisée, mais le procédé de fabrication de cette dernière est plus complexe, entraînant ainsi des coûts de production élevés. Cette invention surmonte les deux problèmes mentionnés ci-dessus en proposant l'huile minérale comme matière de base de la boue de forage ayant de bonnes propriétés et de bonnes performances, qui est respectueuse de l'environnement et présente des coûts de production inférieurs. Cette invention concerne une huile minérale non toxique comme matière de base de boue de forage. Cette invention est le produit d'un hydrocarbure ayant subi un nouveau traitement de telle sorte que les teneurs en soufre et en aromatiques peuvent être diminuées de façon à réduire sa toxicité. L'huile minérale comme matière de base de boue de forage, qui est au cœur de cette invention, est obtenue à partir de l'hydrocraqueur. La matière brute provenant des huiles brutes a subi des procédés de distillation atmosphérique et de distillation sous vide. La matière brute de cet hydrocraqueur comprend des fractions de distillat moyen.
PCT/IB2007/053755 2006-09-20 2007-09-18 Huile minérale non toxique et son procédé de préparation en tant que matière de base de boue de forage WO2008035279A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IDP00200600557 2006-09-20
ID20060557 2006-09-20

Publications (2)

Publication Number Publication Date
WO2008035279A2 true WO2008035279A2 (fr) 2008-03-27
WO2008035279A3 WO2008035279A3 (fr) 2008-06-19

Family

ID=39200921

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/053755 WO2008035279A2 (fr) 2006-09-20 2007-09-18 Huile minérale non toxique et son procédé de préparation en tant que matière de base de boue de forage

Country Status (1)

Country Link
WO (1) WO2008035279A2 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5958845A (en) * 1995-04-17 1999-09-28 Union Oil Company Of California Non-toxic, inexpensive synthetic drilling fluid
US5990050A (en) * 1998-01-08 1999-11-23 M-I L.L.C. Water soluble invert emulsions
PT1064343E (pt) * 1998-03-14 2004-07-30 Chevron Usa Inc Processo de hidroconversao integrada com fluxo inverso de hidrogenio

Also Published As

Publication number Publication date
WO2008035279A3 (fr) 2008-06-19

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