GB2417044B - Compositions containing water control treatments and formation damage control additives, and methods for their use - Google Patents
Compositions containing water control treatments and formation damage control additives, and methods for their useInfo
- Publication number
- GB2417044B GB2417044B GB0516698A GB0516698A GB2417044B GB 2417044 B GB2417044 B GB 2417044B GB 0516698 A GB0516698 A GB 0516698A GB 0516698 A GB0516698 A GB 0516698A GB 2417044 B GB2417044 B GB 2417044B
- Authority
- GB
- United Kingdom
- Prior art keywords
- methods
- compositions containing
- containing water
- formation damage
- treatments
- 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 - Fee Related
Links
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
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
-
- 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
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/512—Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents
-
- 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
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
- E21B33/138—Plastering the borehole wall; Injecting into the formation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/25—Methods for stimulating production
-
- 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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/22—Hydrates inhibition by using well treatment fluids containing inhibitors of hydrate formers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60146604P | 2004-08-13 | 2004-08-13 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0516698D0 GB0516698D0 (en) | 2005-09-21 |
GB2417044A GB2417044A (en) | 2006-02-15 |
GB2417044B true GB2417044B (en) | 2008-07-02 |
Family
ID=35098310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0516698A Expired - Fee Related GB2417044B (en) | 2004-08-13 | 2005-08-15 | Compositions containing water control treatments and formation damage control additives, and methods for their use |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060065396A1 (en) |
CA (1) | CA2515865A1 (en) |
GB (1) | GB2417044B (en) |
NO (1) | NO20053836L (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9752071B2 (en) | 2013-03-15 | 2017-09-05 | Chevron U.S.A. Inc. | Composition and method for remediation of near wellbore damage |
Families Citing this family (61)
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---|---|---|---|---|
US7491682B2 (en) * | 2004-12-15 | 2009-02-17 | Bj Services Company | Method of inhibiting or controlling formation of inorganic scales |
US7703530B2 (en) | 2005-08-10 | 2010-04-27 | Schlumberger Technology Corporation | Scale inhibitors compatible with sandstone acidizing |
DE102005051906A1 (en) * | 2005-10-29 | 2007-05-03 | Basf Construction Polymers Gmbh | Mixed polymer based on olefinic sulfonic acids |
GB2443824B (en) * | 2006-11-08 | 2012-03-07 | Petra Leo Brasileiro S A Petrobras | Process for the selective controlled reduction of the relative water permeability in high permeability oil-bearing subterranean formations |
US8276664B2 (en) * | 2007-08-13 | 2012-10-02 | Baker Hughes Incorporated | Well treatment operations using spherical cellulosic particulates |
US8272442B2 (en) | 2007-09-20 | 2012-09-25 | Green Source Energy Llc | In situ extraction of hydrocarbons from hydrocarbon-containing materials |
US8404108B2 (en) | 2007-09-20 | 2013-03-26 | Green Source Energy Llc | Extraction of hydrocarbons from hydrocarbon-containing materials and/or processing of hydrocarbon-containing materials |
US8101812B2 (en) | 2007-09-20 | 2012-01-24 | Green Source Energy Llc | Extraction of hydrocarbons from hydrocarbon-containing materials |
US20090203555A1 (en) * | 2008-02-08 | 2009-08-13 | Arthur Milne | Use of Relative Permeability Modifiers in Treating Subterranean Formations |
CA2658996A1 (en) * | 2008-03-19 | 2009-09-19 | Robert Geisler | Leach recovery of oil from oil sands and like host materials |
US7814980B2 (en) | 2008-04-10 | 2010-10-19 | Halliburton Energy Services, Inc. | Micro-crosslinked gels and associated methods |
US8006760B2 (en) | 2008-04-10 | 2011-08-30 | Halliburton Energy Services, Inc. | Clean fluid systems for partial monolayer fracturing |
WO2009144566A1 (en) * | 2008-05-27 | 2009-12-03 | M-I Swaco Norge As | Treatment fluid and methods of enhancing scale squeeze operations |
US7977283B2 (en) * | 2008-06-27 | 2011-07-12 | Baker Hughes Incorporated | Method of minimizing or reducing salt deposits by use of a fluid containing a fructan and derivatives thereof |
US20110005752A1 (en) * | 2008-08-14 | 2011-01-13 | Baker Hughes Incorporated | Water Sensitive Porous Medium to Control Downhole Water Production and Method Therefor |
US9303502B2 (en) * | 2009-10-27 | 2016-04-05 | Baker Hughes Incorporated | Method of controlling water production through treating particles with RPMS |
US20100065275A1 (en) * | 2008-09-15 | 2010-03-18 | Mcgowen Mary A | Compositions and Methods for Hindering Asphaltene Deposition |
WO2010029318A1 (en) * | 2008-09-15 | 2010-03-18 | Halliburton Energy Services, Inc. | Compositions and methods for hindering asphaltene deposition |
US8119576B2 (en) | 2008-10-10 | 2012-02-21 | Halliburton Energy Services, Inc. | Ceramic coated particulates |
US8881811B2 (en) * | 2008-10-10 | 2014-11-11 | Halliburton Energy Services, Inc. | Additives to suppress silica scale build-up and methods of use thereof |
US20100256298A1 (en) * | 2009-04-03 | 2010-10-07 | Champion Technologies, Inc. | Preparation of Micro Gel Particle Dispersions and Dry Powders Suitable For Use As Fluid Loss Control Agents |
US8685900B2 (en) * | 2009-04-03 | 2014-04-01 | Halliburton Energy Services, Inc. | Methods of using fluid loss additives comprising micro gels |
US8062997B2 (en) * | 2009-04-24 | 2011-11-22 | Halliburton Energy Services Inc. | Method for enhancing stability of oil based drilling fluids at high temperatures |
WO2011021043A1 (en) | 2009-08-20 | 2011-02-24 | Statoil Asa | Well treatment |
US8950488B2 (en) * | 2010-07-13 | 2015-02-10 | Halliburton Energy Services, Inc. | Polymerizing and anchoring a water-soluble polymer to an in-place mineral surface of a well |
US9010430B2 (en) | 2010-07-19 | 2015-04-21 | Baker Hughes Incorporated | Method of using shaped compressed pellets in treating a well |
US10822536B2 (en) | 2010-07-19 | 2020-11-03 | Baker Hughes, A Ge Company, Llc | Method of using a screen containing a composite for release of well treatment agent into a well |
US9976070B2 (en) | 2010-07-19 | 2018-05-22 | Baker Hughes, A Ge Company, Llc | Method of using shaped compressed pellets in well treatment operations |
US9029300B2 (en) | 2011-04-26 | 2015-05-12 | Baker Hughes Incorporated | Composites for controlled release of well treatment agents |
US9464222B2 (en) | 2011-03-09 | 2016-10-11 | Baker Hughes Incorporated | Well fluid and method of servicing a well |
US8664168B2 (en) | 2011-03-30 | 2014-03-04 | Baker Hughes Incorporated | Method of using composites in the treatment of wells |
US10590742B2 (en) | 2011-07-15 | 2020-03-17 | Exxonmobil Upstream Research Company | Protecting a fluid stream from fouling using a phase change material |
US9714374B2 (en) * | 2011-07-15 | 2017-07-25 | Exxonmobil Upstream Research Company | Protecting a fluid stream from fouling |
US9637676B2 (en) * | 2012-01-24 | 2017-05-02 | Baker Hughes Incorporated | Asphaltene inhibitors for squeeze applications |
US9145508B2 (en) * | 2012-05-18 | 2015-09-29 | Ian D. Smith | Composition for removing scale deposits |
GB201210034D0 (en) | 2012-06-07 | 2012-07-18 | Univ Leeds | A method of inhibiting scale in a geological formation |
US9206345B2 (en) * | 2013-02-12 | 2015-12-08 | Halliburton Energy Services, Inc. | Wellbore servicing compositions and methods of making and using same |
US9890320B2 (en) * | 2013-08-20 | 2018-02-13 | Halliburton Energy Services, Inc. | Methods and systems for iron control using a phosphinated carboxylic acid polymer |
US10392553B2 (en) * | 2013-08-30 | 2019-08-27 | Baker Hughes, A Ge Company, Llc | Method for enhancing productivity of hydrocarbon formations using fluid containing organometallic crosslinking agent and scale inhibitor |
CA2922717C (en) | 2013-09-20 | 2019-05-21 | Terry D. Monroe | Organophosphorus containing composites for use in well treatment operations |
US9822621B2 (en) | 2013-09-20 | 2017-11-21 | Baker Hughes, A Ge Company, Llc | Method of using surface modifying treatment agents to treat subterranean formations |
BR112016006052B1 (en) | 2013-09-20 | 2022-02-08 | Baker Hughes Incorporated | METHODS FOR TREATMENT OF UNDERGROUND FORMATION CONTAINING SILICIOUS OR METAL OXIDE (M) PENETRATION BY A WELL |
BR112016005706B1 (en) | 2013-09-20 | 2022-02-08 | Baker Hughes Incorporated | METHOD FOR INHIBITING CLOGGING CAUSED BY CONTAMINANTS |
WO2015042486A1 (en) | 2013-09-20 | 2015-03-26 | Baker Hughes Incorporated | Composites for use in stimulation and sand control operations |
US9701892B2 (en) | 2014-04-17 | 2017-07-11 | Baker Hughes Incorporated | Method of pumping aqueous fluid containing surface modifying treatment agent into a well |
WO2015057215A1 (en) * | 2013-10-16 | 2015-04-23 | Halliburton Energy Services, Inc. | Compositions providing consolidation and water-control |
EP3186331B1 (en) | 2014-07-23 | 2022-05-04 | Baker Hughes Holdings LLC | Composite comprising well treatment agent and/or a tracer adhered onto a calcined substrate of a metal oxide coated core and a method of using the same |
US9656237B2 (en) | 2014-07-31 | 2017-05-23 | Baker Hughes Incorporated | Method of scavenging hydrogen sulfide and mercaptans using well treatment composites |
CN105567190A (en) * | 2014-10-17 | 2016-05-11 | 中国石油化工股份有限公司 | Gel plugging agent and preparation method thereof |
CN104946216B (en) | 2015-05-14 | 2016-05-18 | 中国石油大学(北京) | A kind of bionical drilling fluid and preparation method thereof |
US10696801B2 (en) | 2015-05-27 | 2020-06-30 | Commonwealth Scientific And Industrial Research Organisation | Hydrate inhibitor carrying hydrogel |
US10641083B2 (en) | 2016-06-02 | 2020-05-05 | Baker Hughes, A Ge Company, Llc | Method of monitoring fluid flow from a reservoir using well treatment agents |
US10413966B2 (en) | 2016-06-20 | 2019-09-17 | Baker Hughes, A Ge Company, Llc | Nanoparticles having magnetic core encapsulated by carbon shell and composites of the same |
US10487986B2 (en) | 2017-06-16 | 2019-11-26 | Exxonmobil Upstream Research Company | Protecting a fluid stream from fouling |
US11254861B2 (en) | 2017-07-13 | 2022-02-22 | Baker Hughes Holdings Llc | Delivery system for oil-soluble well treatment agents and methods of using the same |
US11254850B2 (en) | 2017-11-03 | 2022-02-22 | Baker Hughes Holdings Llc | Treatment methods using aqueous fluids containing oil-soluble treatment agents |
EP3533854B1 (en) | 2018-03-01 | 2022-05-04 | Momentive Performance Materials Inc. | Method of inhibiting water penetration into oil- and gas- producing formations |
CN108756817B (en) * | 2018-05-14 | 2020-07-07 | 中国石油大学(华东) | Method for judging scaling risk of shaft of water-producing gas well and determining injection time of antiscaling agent |
CN109777378B (en) * | 2019-02-21 | 2021-03-30 | 河南省新乡市第七化工有限公司 | Preparation method of nano emulsion copolymer fluid loss additive for high temperature resistant and salt resistant drilling fluid |
US10961444B1 (en) | 2019-11-01 | 2021-03-30 | Baker Hughes Oilfield Operations Llc | Method of using coated composites containing delayed release agent in a well treatment operation |
US11746278B1 (en) * | 2022-06-02 | 2023-09-05 | King Fahd University Of Petroleum And | Method of removing sulfide-containing scale |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3529699A (en) * | 1968-08-26 | 1970-09-22 | Henry Smith | Means for locking a slider in a channel |
US3556221A (en) * | 1969-01-06 | 1971-01-19 | Marathon Oil Co | Well stimulation process |
US3820603A (en) * | 1972-11-06 | 1974-06-28 | Ici America Inc | Altering relative permeability in production wells |
US4182417A (en) * | 1977-07-08 | 1980-01-08 | The Dow Chemical Company | Method for controlling permeability of subterranean formations |
US20040154799A1 (en) * | 2003-02-06 | 2004-08-12 | Peter Powell | Combined scale inhibitor and water control treatments |
GB2399364A (en) * | 2003-03-10 | 2004-09-15 | Bj Services Co | Organosilicon-containing compositions for controlling water production |
WO2004101706A1 (en) * | 2003-05-16 | 2004-11-25 | Halliburton Energy Services, Inc. | Method for stimulating hydrocarbon production and reducing the production of water from a subterranean formation |
WO2005003515A1 (en) * | 2003-07-02 | 2005-01-13 | Halliburton Energy Services, Inc. | Methods of reducing water permeability for acidizing a subterranean formation |
WO2005071219A2 (en) * | 2004-01-20 | 2005-08-04 | Halliburton Energy Services, Inc. | Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3719228A (en) * | 1971-06-11 | 1973-03-06 | Byron Jackson Inc | Method of selectively stimulating oil wells, compositions therefor, and methods of making such compositions |
US4404112A (en) * | 1979-10-15 | 1983-09-13 | Petrolite Corporation | Hydrocarbon foams as well stimulants |
US4485871A (en) * | 1983-03-09 | 1984-12-04 | Chevron Research Company | In-situ process for recovering hydrocarbons from a diatomite-type formation |
US4498538A (en) * | 1983-06-21 | 1985-02-12 | Union Oil Company Of California | Method for maintaining the permeability of fines-containing formations |
US4549609A (en) * | 1983-09-02 | 1985-10-29 | Union Oil Company Of California | Treating fines-containing earthen formations |
US4580633A (en) * | 1983-12-21 | 1986-04-08 | Union Oil Company Of California | Increasing the flow of fluids through a permeable formation |
US4617132A (en) * | 1985-04-01 | 1986-10-14 | Halliburton Company | Method of altering the permeability of a hydrocarbon-containing subterranean formation |
US4646835A (en) * | 1985-06-28 | 1987-03-03 | Union Oil Company Of California | Acidizing method |
US4708207A (en) * | 1985-11-21 | 1987-11-24 | Union Oil Company Of California | Scale removal treatment |
US4787453A (en) * | 1986-10-30 | 1988-11-29 | Union Oil Company Of California | Permeability stabilization in subterranean formations containing particulate matter |
US4828031A (en) * | 1987-10-13 | 1989-05-09 | Chevron Research Company | In situ chemical stimulation of diatomite formations |
US5203834A (en) * | 1990-12-21 | 1993-04-20 | Union Oil Company Of California | Foamed gels having selective permeability |
EP0577931B1 (en) * | 1992-04-10 | 1998-06-24 | Clariant GmbH | Process for reducing or complete setting of water production during drilling for oil and/or hydrocarbon gas recovery |
US5412016A (en) * | 1992-09-28 | 1995-05-02 | E. I. Du Pont De Nemours And Company | Process for making polymeric inorganic-organic compositions |
US5465792A (en) * | 1994-07-20 | 1995-11-14 | Bj Services Company | Method of controlling production of excess water in oil and gas wells |
DE19525068A1 (en) * | 1995-07-10 | 1997-01-16 | Wacker Chemie Gmbh | Coating compositions based on powders containing water-redispersible, water-soluble polymer and organosilicon compound |
US5735349A (en) * | 1996-08-16 | 1998-04-07 | Bj Services Company | Compositions and methods for modifying the permeability of subterranean formations |
US6169058B1 (en) * | 1997-06-05 | 2001-01-02 | Bj Services Company | Compositions and methods for hydraulic fracturing |
US6258859B1 (en) * | 1997-06-10 | 2001-07-10 | Rhodia, Inc. | Viscoelastic surfactant fluids and related methods of use |
DE19745736A1 (en) * | 1997-10-16 | 1999-04-22 | Wacker Chemie Gmbh | Process for the treatment of water-borne natural gas and natural gas storage wells |
US6387853B1 (en) * | 1998-03-27 | 2002-05-14 | Bj Services Company | Derivatization of polymers and well treatments using the same |
US6403537B1 (en) * | 1998-11-06 | 2002-06-11 | Baker Hughes Incorporated | Drilling fluid systems with improved fluid loss properties |
US6228812B1 (en) * | 1998-12-10 | 2001-05-08 | Bj Services Company | Compositions and methods for selective modification of subterranean formation permeability |
US6328106B1 (en) * | 1999-02-04 | 2001-12-11 | Halliburton Energy Services, Inc. | Sealing subterranean zones |
BR9904294B1 (en) * | 1999-09-22 | 2012-12-11 | process for the selective and controlled reduction of water permeability in oil formations. | |
US6465397B1 (en) * | 2000-02-11 | 2002-10-15 | Clariant Finance (Bvi) Limited | Synthetic crosslinked copolymer solutions and direct injection to subterranean oil and gas formations |
US6767869B2 (en) * | 2000-02-29 | 2004-07-27 | Bj Services Company | Well service fluid and method of making and using the same |
US6448311B1 (en) * | 2000-07-19 | 2002-09-10 | Baker Hughes Incorporated | Cement fluid loss additive |
US7326670B2 (en) * | 2001-04-10 | 2008-02-05 | Bj Services Company | Well service fluid and method of making and using the same |
US7207386B2 (en) * | 2003-06-20 | 2007-04-24 | Bj Services Company | Method of hydraulic fracturing to reduce unwanted water production |
-
2005
- 2005-08-09 US US11/199,378 patent/US20060065396A1/en not_active Abandoned
- 2005-08-12 CA CA002515865A patent/CA2515865A1/en not_active Abandoned
- 2005-08-15 GB GB0516698A patent/GB2417044B/en not_active Expired - Fee Related
- 2005-08-15 NO NO20053836A patent/NO20053836L/en not_active Application Discontinuation
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3529699A (en) * | 1968-08-26 | 1970-09-22 | Henry Smith | Means for locking a slider in a channel |
US3556221A (en) * | 1969-01-06 | 1971-01-19 | Marathon Oil Co | Well stimulation process |
US3820603A (en) * | 1972-11-06 | 1974-06-28 | Ici America Inc | Altering relative permeability in production wells |
US4182417A (en) * | 1977-07-08 | 1980-01-08 | The Dow Chemical Company | Method for controlling permeability of subterranean formations |
US20040154799A1 (en) * | 2003-02-06 | 2004-08-12 | Peter Powell | Combined scale inhibitor and water control treatments |
GB2399364A (en) * | 2003-03-10 | 2004-09-15 | Bj Services Co | Organosilicon-containing compositions for controlling water production |
WO2004101706A1 (en) * | 2003-05-16 | 2004-11-25 | Halliburton Energy Services, Inc. | Method for stimulating hydrocarbon production and reducing the production of water from a subterranean formation |
WO2005003515A1 (en) * | 2003-07-02 | 2005-01-13 | Halliburton Energy Services, Inc. | Methods of reducing water permeability for acidizing a subterranean formation |
WO2005071219A2 (en) * | 2004-01-20 | 2005-08-04 | Halliburton Energy Services, Inc. | Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9752071B2 (en) | 2013-03-15 | 2017-09-05 | Chevron U.S.A. Inc. | Composition and method for remediation of near wellbore damage |
Also Published As
Publication number | Publication date |
---|---|
GB2417044A (en) | 2006-02-15 |
GB0516698D0 (en) | 2005-09-21 |
US20060065396A1 (en) | 2006-03-30 |
NO20053836D0 (en) | 2005-08-15 |
NO20053836L (en) | 2006-02-14 |
CA2515865A1 (en) | 2006-02-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20100815 |