DE69019476D1 - Distanzflüssigkeiten. - Google Patents
Distanzflüssigkeiten.Info
- Publication number
- DE69019476D1 DE69019476D1 DE69019476T DE69019476T DE69019476D1 DE 69019476 D1 DE69019476 D1 DE 69019476D1 DE 69019476 T DE69019476 T DE 69019476T DE 69019476 T DE69019476 T DE 69019476T DE 69019476 D1 DE69019476 D1 DE 69019476D1
- Authority
- DE
- Germany
- Prior art keywords
- liquids
- distance
- distance liquids
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 title 1
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
- C09K8/40—Spacer compositions, e.g. compositions used to separate well-drilling from cementing masses
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- 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
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/424—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells using "spacer" compositions
-
- 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
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
-
- 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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/601—Compositions for stimulating production by acting on the underground formation using spacer compositions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/927—Well cleaning fluid
- Y10S507/928—Spacing slug or preflush fluid
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/441,853 US5030366A (en) | 1989-11-27 | 1989-11-27 | Spacer fluids |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69019476D1 true DE69019476D1 (de) | 1995-06-22 |
DE69019476T2 DE69019476T2 (de) | 1995-10-05 |
Family
ID=23754558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69019476T Expired - Lifetime DE69019476T2 (de) | 1989-11-27 | 1990-11-27 | Distanzflüssigkeiten. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5030366A (de) |
EP (1) | EP0430644B1 (de) |
CA (1) | CA2030489C (de) |
DE (1) | DE69019476T2 (de) |
Families Citing this family (97)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5292367A (en) * | 1990-04-18 | 1994-03-08 | Atlantic Richfield Company | Dispersant compositions for subterranean well drilling and completion |
US5360787A (en) * | 1990-05-15 | 1994-11-01 | Atlantic Richfield Company | Dispersant compositions comprising sulfonated isobutylene maleic anhydride copolymer for subterranean well drilling and completion |
US5458197A (en) * | 1991-01-30 | 1995-10-17 | Atlantic Richfield Company | Well cleanout system and method |
US5552377A (en) * | 1993-04-20 | 1996-09-03 | Kindred; Jack E. | Mud sweep and spacer composition |
US6090754A (en) * | 1995-05-11 | 2000-07-18 | Atlantic Richfield Company | Surfactant blends for well operation |
US5789352A (en) * | 1996-06-19 | 1998-08-04 | Halliburton Company | Well completion spacer fluids and methods |
US5866517A (en) * | 1996-06-19 | 1999-02-02 | Atlantic Richfield Company | Method and spacer fluid composition for displacing drilling fluid from a wellbore |
US5874387A (en) * | 1996-06-19 | 1999-02-23 | Atlantic Richfield Company | Method and cement-drilling fluid cement composition for cementing a wellbore |
US5881826A (en) | 1997-02-13 | 1999-03-16 | Actisystems, Inc. | Aphron-containing well drilling and servicing fluids |
US5989336A (en) * | 1997-07-08 | 1999-11-23 | Atlantic Richfield Company | Cement composition |
US5874386A (en) * | 1998-02-13 | 1999-02-23 | Atlantic Richfield Company | Method for cleaning drilling fluid solids from a wellbore using a surfactant composition |
US6112814A (en) * | 1998-02-13 | 2000-09-05 | Atlantic Richfield Company | Method for cleaning wellbore surfaces using coiled tubing with a surfactant composition |
US6000412A (en) * | 1998-02-13 | 1999-12-14 | Atlantic Richfield Company | Method for cleaning deposits from a tank using a surfactant composition |
US5996692A (en) * | 1998-02-13 | 1999-12-07 | Atlantic Richfield Company | Surfactant composition and method for cleaning wellbore and oil field surfaces using the surfactant composition |
DE19927400A1 (de) * | 1998-06-24 | 1999-12-30 | Luk Fahrzeug Hydraulik | Hydraulische Fördereinrichtung |
US5977032A (en) * | 1998-09-26 | 1999-11-02 | Atlantic Richfield Company | Acidic surfactant composition and method for cleaning wellbore and flowline surfaces using the surfactant composition |
US6283213B1 (en) | 1999-08-12 | 2001-09-04 | Atlantic Richfield Company | Tandem spacer fluid system and method for positioning a cement slurry in a wellbore annulus |
US6649571B1 (en) | 2000-04-04 | 2003-11-18 | Masi Technologies, L.L.C. | Method of generating gas bubbles in oleaginous liquids |
US7143827B2 (en) | 2003-03-21 | 2006-12-05 | Halliburton Energy Services, Inc. | Well completion spacer fluids containing fibers and methods |
US6668927B1 (en) | 2003-03-21 | 2003-12-30 | Halliburton Energy Services, Inc. | Well completion foamed spacer fluids and methods |
US7607482B2 (en) | 2005-09-09 | 2009-10-27 | Halliburton Energy Services, Inc. | Settable compositions comprising cement kiln dust and swellable particles |
US7445669B2 (en) | 2005-09-09 | 2008-11-04 | Halliburton Energy Services, Inc. | Settable compositions comprising cement kiln dust and additive(s) |
US9512346B2 (en) | 2004-02-10 | 2016-12-06 | Halliburton Energy Services, Inc. | Cement compositions and methods utilizing nano-hydraulic cement |
US7096944B2 (en) * | 2004-03-02 | 2006-08-29 | Halliburton Energy Services, Inc. | Well fluids and methods of use in subterranean formations |
US7290613B2 (en) * | 2004-10-15 | 2007-11-06 | Halliburton Energy Services, Inc. | Cement compositions comprising aromatic sulfonated polymers and methods of using the same |
US7541316B2 (en) * | 2005-02-04 | 2009-06-02 | Halliburton Energy Services, Inc. | Wellbore treatment fluids having improved thermal stability |
US7528095B2 (en) * | 2005-02-04 | 2009-05-05 | Halliburton Energy Services, Inc. | Methods and compositions for improving the thermal stability of aqueous polymeric wellbore treatment fluids |
US7905287B2 (en) | 2005-04-19 | 2011-03-15 | Halliburton Energy Services Inc. | Methods of using a polymeric precipitate to reduce the loss of fluid to a subterranean formation |
US7943555B2 (en) | 2005-04-19 | 2011-05-17 | Halliburton Energy Services Inc. | Wellbore treatment kits for forming a polymeric precipitate to reduce the loss of fluid to a subterranean formation |
US8455404B2 (en) * | 2005-07-15 | 2013-06-04 | Halliburton Energy Services, Inc. | Treatment fluids with improved shale inhibition and methods of use in subterranean operations |
US7833945B2 (en) | 2005-07-15 | 2010-11-16 | Halliburton Energy Services Inc. | Treatment fluids with improved shale inhibition and methods of use in subterranean operations |
US9676989B2 (en) | 2005-09-09 | 2017-06-13 | Halliburton Energy Services, Inc. | Sealant compositions comprising cement kiln dust and tire-rubber particles and method of use |
US8297357B2 (en) | 2005-09-09 | 2012-10-30 | Halliburton Energy Services Inc. | Acid-soluble cement compositions comprising cement kiln dust and/or a natural pozzolan and methods of use |
US8609595B2 (en) | 2005-09-09 | 2013-12-17 | Halliburton Energy Services, Inc. | Methods for determining reactive index for cement kiln dust, associated compositions, and methods of use |
US8950486B2 (en) | 2005-09-09 | 2015-02-10 | Halliburton Energy Services, Inc. | Acid-soluble cement compositions comprising cement kiln dust and methods of use |
US7395860B2 (en) | 2005-09-09 | 2008-07-08 | Halliburton Energy Services, Inc. | Methods of using foamed settable compositions comprising cement kiln dust |
US8555967B2 (en) | 2005-09-09 | 2013-10-15 | Halliburton Energy Services, Inc. | Methods and systems for evaluating a boundary between a consolidating spacer fluid and a cement composition |
US9150773B2 (en) | 2005-09-09 | 2015-10-06 | Halliburton Energy Services, Inc. | Compositions comprising kiln dust and wollastonite and methods of use in subterranean formations |
US8307899B2 (en) | 2005-09-09 | 2012-11-13 | Halliburton Energy Services, Inc. | Methods of plugging and abandoning a well using compositions comprising cement kiln dust and pumicite |
US7353870B2 (en) | 2005-09-09 | 2008-04-08 | Halliburton Energy Services, Inc. | Methods of using settable compositions comprising cement kiln dust and additive(s) |
US8281859B2 (en) | 2005-09-09 | 2012-10-09 | Halliburton Energy Services Inc. | Methods and compositions comprising cement kiln dust having an altered particle size |
US8505630B2 (en) | 2005-09-09 | 2013-08-13 | Halliburton Energy Services, Inc. | Consolidating spacer fluids and methods of use |
US8522873B2 (en) | 2005-09-09 | 2013-09-03 | Halliburton Energy Services, Inc. | Spacer fluids containing cement kiln dust and methods of use |
US9006155B2 (en) | 2005-09-09 | 2015-04-14 | Halliburton Energy Services, Inc. | Placing a fluid comprising kiln dust in a wellbore through a bottom hole assembly |
US8505629B2 (en) | 2005-09-09 | 2013-08-13 | Halliburton Energy Services, Inc. | Foamed spacer fluids containing cement kiln dust and methods of use |
US8403045B2 (en) | 2005-09-09 | 2013-03-26 | Halliburton Energy Services, Inc. | Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations |
US8327939B2 (en) | 2005-09-09 | 2012-12-11 | Halliburton Energy Services, Inc. | Settable compositions comprising cement kiln dust and rice husk ash and methods of use |
US8672028B2 (en) | 2010-12-21 | 2014-03-18 | Halliburton Energy Services, Inc. | Settable compositions comprising interground perlite and hydraulic cement |
US7631692B2 (en) | 2005-09-09 | 2009-12-15 | Halliburton Energy Services, Inc. | Settable compositions comprising a natural pozzolan and associated methods |
US7743828B2 (en) | 2005-09-09 | 2010-06-29 | Halliburton Energy Services, Inc. | Methods of cementing in subterranean formations using cement kiln cement kiln dust in compositions having reduced Portland cement content |
US9809737B2 (en) | 2005-09-09 | 2017-11-07 | Halliburton Energy Services, Inc. | Compositions containing kiln dust and/or biowaste ash and methods of use |
US7335252B2 (en) | 2005-09-09 | 2008-02-26 | Halliburton Energy Services, Inc. | Lightweight settable compositions comprising cement kiln dust |
US8333240B2 (en) | 2005-09-09 | 2012-12-18 | Halliburton Energy Services, Inc. | Reduced carbon footprint settable compositions for use in subterranean formations |
US7789150B2 (en) | 2005-09-09 | 2010-09-07 | Halliburton Energy Services Inc. | Latex compositions comprising pozzolan and/or cement kiln dust and methods of use |
US7478675B2 (en) | 2005-09-09 | 2009-01-20 | Halliburton Energy Services, Inc. | Extended settable compositions comprising cement kiln dust and associated methods |
US9023150B2 (en) | 2005-09-09 | 2015-05-05 | Halliburton Energy Services, Inc. | Acid-soluble cement compositions comprising cement kiln dust and/or a natural pozzolan and methods of use |
US9051505B2 (en) | 2005-09-09 | 2015-06-09 | Halliburton Energy Services, Inc. | Placing a fluid comprising kiln dust in a wellbore through a bottom hole assembly |
US7607484B2 (en) | 2005-09-09 | 2009-10-27 | Halliburton Energy Services, Inc. | Foamed cement compositions comprising oil-swellable particles and methods of use |
US7381263B2 (en) * | 2005-10-24 | 2008-06-03 | Halliburton Energy Services, Inc. | Cement compositions comprising high alumina cement and cement kiln dust |
US7337842B2 (en) | 2005-10-24 | 2008-03-04 | Halliburton Energy Services, Inc. | Methods of using cement compositions comprising high alumina cement and cement kiln dust |
US7325611B2 (en) | 2006-03-09 | 2008-02-05 | Halliburton Energy Services, Inc. | Cement compositions for reducing gas or water migration and methods of using the same |
US7338923B2 (en) * | 2006-04-11 | 2008-03-04 | Halliburton Energy Services, Inc. | Settable drilling fluids comprising cement kiln dust |
US7549474B2 (en) * | 2006-05-11 | 2009-06-23 | Halliburton Energy Services, Inc. | Servicing a wellbore with an aqueous based fluid comprising a clay inhibitor |
US8685903B2 (en) | 2007-05-10 | 2014-04-01 | Halliburton Energy Services, Inc. | Lost circulation compositions and associated methods |
US9206344B2 (en) | 2007-05-10 | 2015-12-08 | Halliburton Energy Services, Inc. | Sealant compositions and methods utilizing nano-particles |
US9512351B2 (en) | 2007-05-10 | 2016-12-06 | Halliburton Energy Services, Inc. | Well treatment fluids and methods utilizing nano-particles |
US9199879B2 (en) | 2007-05-10 | 2015-12-01 | Halliburton Energy Serives, Inc. | Well treatment compositions and methods utilizing nano-particles |
US8476203B2 (en) | 2007-05-10 | 2013-07-02 | Halliburton Energy Services, Inc. | Cement compositions comprising sub-micron alumina and associated methods |
US8586512B2 (en) | 2007-05-10 | 2013-11-19 | Halliburton Energy Services, Inc. | Cement compositions and methods utilizing nano-clay |
CN101679845B (zh) | 2007-05-31 | 2013-04-24 | 赫尔克里士公司 | 油井水泥液体损耗添加剂组合物 |
US8813845B2 (en) * | 2009-08-31 | 2014-08-26 | Halliburton Energy Services, Inc. | Polymeric additives for enhancement of treatment fluids comprising viscoelastic surfactants and methods of use |
US8881820B2 (en) * | 2009-08-31 | 2014-11-11 | Halliburton Energy Services, Inc. | Treatment fluids comprising entangled equilibrium polymer networks |
US8887809B2 (en) * | 2009-08-31 | 2014-11-18 | Halliburton Energy Services, Inc. | Treatment fluids comprising transient polymer networks |
US8207096B2 (en) * | 2009-12-30 | 2012-06-26 | Halliburton Energy Services Inc. | Compressible packer fluids and methods of making and using same |
US8592350B2 (en) | 2010-06-30 | 2013-11-26 | Halliburton Energy Services, Inc. | Surfactant additives used to retain producibility while drilling |
US8148303B2 (en) | 2010-06-30 | 2012-04-03 | Halliburton Energy Services Inc. | Surfactant additives used to retain producibility while drilling |
US8418761B2 (en) | 2010-07-29 | 2013-04-16 | Halliburton Energy Services, Inc. | Stimuli-responsive high viscosity pill |
US8453741B2 (en) | 2010-09-23 | 2013-06-04 | Halliburton Energy Services, Inc. | Tethered polymers used to enhance the stability of microemulsion fluids |
US10280358B2 (en) * | 2011-03-01 | 2019-05-07 | Bottom Line Industries, Inc. | Non-invasive cement spacer fluid compositions, spacer fluid products, methods of well operation and well apparatus |
US10822917B2 (en) | 2013-09-17 | 2020-11-03 | Baker Hughes, A Ge Company, Llc | Method of cementing a well using delayed hydratable polymeric viscosifying agents |
US10767098B2 (en) * | 2013-09-17 | 2020-09-08 | Baker Hughes, A Ge Company, Llc | Method of using sized particulates as spacer fluid |
US20150252243A1 (en) * | 2014-03-06 | 2015-09-10 | Trican Well Service, Ltd. | Use of salts of polycarboxylates with lipophilic increments to control separation in cement containing latex |
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AU2015390083B2 (en) | 2015-04-02 | 2018-04-19 | Halliburton Energy Services, Inc. | Running fluid for use in a subterranean formation operation |
US10793768B2 (en) | 2016-04-29 | 2020-10-06 | PfP Industries LLC | Polyacrylamide slurry for fracturing fluids |
US10683724B2 (en) | 2017-09-11 | 2020-06-16 | Saudi Arabian Oil Company | Curing a lost circulation zone in a wellbore |
US10822916B2 (en) | 2018-02-14 | 2020-11-03 | Saudi Arabian Oil Company | Curing a lost circulation zone in a wellbore |
CN108559466B (zh) * | 2018-06-21 | 2021-01-01 | 中国石油天然气集团有限公司 | 一种高密度驱油防漏冲洗隔离液及其制备方法 |
US10787599B2 (en) * | 2018-06-27 | 2020-09-29 | Chevron Phillips Chemical Company Lp | Sulfur-containing polyether surfactants for cement spacer fluids and other downhole applications |
US11149182B2 (en) * | 2018-10-12 | 2021-10-19 | Halliburton Energy Services, Inc. | Spacer fluids with stability at high temperatures |
US11028309B2 (en) | 2019-02-08 | 2021-06-08 | Baker Hughes Oilfield Operations Llc | Method of using resin coated sized particulates as spacer fluid |
US11118417B1 (en) | 2020-03-11 | 2021-09-14 | Saudi Arabian Oil Company | Lost circulation balloon |
CN111662694B (zh) * | 2020-05-26 | 2022-07-19 | 中国石油化工股份有限公司 | 一种驱油型隔离液用组合物、表面活性剂驱油型隔离液及其制备方法 |
CN114196386B (zh) * | 2020-09-17 | 2023-03-21 | 中国石油化工股份有限公司 | 固井隔离液组合物、固井隔离液及其制备方法与应用 |
CN112375551B (zh) * | 2020-12-08 | 2022-11-25 | 中国石油天然气集团有限公司 | 固井注水泥用油基隔离液及其制备方法 |
CN112608724B (zh) * | 2020-12-16 | 2023-02-07 | 成都西油华巍科技有限公司 | 一种油气田用凝胶隔离液及其制备方法 |
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US4446045A (en) * | 1981-04-01 | 1984-05-01 | Betz Laboratories, Inc. | Composition for treating aqueous mediums |
US4439328A (en) * | 1981-12-28 | 1984-03-27 | Moity Randolph M | Well servicing fluid additive |
US4476029A (en) * | 1982-05-26 | 1984-10-09 | W. R. Grace & Co. | High temperature dispersant |
US4425463A (en) * | 1982-09-13 | 1984-01-10 | Exxon Research And Engineering Co. | Drilling fluids based on a mixture of sulfonated thermoplastic polymer and an amine-treated clay |
US4530402A (en) * | 1983-08-30 | 1985-07-23 | Standard Oil Company | Low density spacer fluid |
US4681165A (en) * | 1984-03-01 | 1987-07-21 | Dowell Schlumberger Incorporated | Aqueous chemical wash compositions |
US4588032A (en) * | 1984-08-09 | 1986-05-13 | Halliburton Company | Fluid spacer composition for use in well cementing |
US4601758A (en) * | 1985-02-25 | 1986-07-22 | Dowell Schlumberger Incorporated | Sulfonated poly (vinyl aromatics) as fluid loss additives for salt cement slurries |
US4680128A (en) * | 1985-04-26 | 1987-07-14 | Exxon Chemical Patents Inc. | Anionic copolymers for improved control of drilling fluid rheology |
FR2582664B1 (fr) * | 1985-05-31 | 1988-06-10 | Schlumberger Cie Dowell | Composition aqueuse de spacer, compatible avec les boues de forage et les ciments sales ou non, et son utilisation dans le secteur des forages petroliers |
US4740318A (en) * | 1985-12-13 | 1988-04-26 | Great Lakes Research Corp. | Well drilling fluids and process for drilling wells |
US4717488A (en) * | 1986-04-23 | 1988-01-05 | Merck Co., Inc. | Spacer fluid |
US4792415A (en) * | 1987-04-13 | 1988-12-20 | Merck & Co., Inc. | Quaternary ammonium salts of anionic gums |
US4883125A (en) * | 1987-12-11 | 1989-11-28 | Atlantic Richfield Company | Cementing oil and gas wells using converted drilling fluid |
-
1989
- 1989-11-27 US US07/441,853 patent/US5030366A/en not_active Expired - Lifetime
-
1990
- 1990-11-23 CA CA002030489A patent/CA2030489C/en not_active Expired - Lifetime
- 1990-11-27 EP EP90312868A patent/EP0430644B1/de not_active Expired - Lifetime
- 1990-11-27 DE DE69019476T patent/DE69019476T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69019476T2 (de) | 1995-10-05 |
CA2030489C (en) | 2003-04-01 |
EP0430644B1 (de) | 1995-05-17 |
EP0430644A1 (de) | 1991-06-05 |
US5030366A (en) | 1991-07-09 |
CA2030489A1 (en) | 1991-05-28 |
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