EA200900041A1 - Скважинный раствор - Google Patents
Скважинный растворInfo
- Publication number
- EA200900041A1 EA200900041A1 EA200900041A EA200900041A EA200900041A1 EA 200900041 A1 EA200900041 A1 EA 200900041A1 EA 200900041 A EA200900041 A EA 200900041A EA 200900041 A EA200900041 A EA 200900041A EA 200900041 A1 EA200900041 A1 EA 200900041A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- polymer
- wellbore
- alkyl groups
- molecular weight
- range
- Prior art date
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
- C09K8/02—Well-drilling compositions
- C09K8/04—Aqueous well-drilling compositions
- C09K8/06—Clay-free compositions
- C09K8/12—Clay-free compositions containing synthetic organic macromolecular compounds or their precursors
-
- 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
- C09K8/04—Aqueous well-drilling compositions
- C09K8/14—Clay-containing compositions
- C09K8/18—Clay-containing compositions characterised by the organic compounds
- C09K8/22—Synthetic organic compounds
- C09K8/24—Polymers
-
- 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
- C09K8/04—Aqueous well-drilling compositions
- C09K8/26—Oil-in-water emulsions
- C09K8/28—Oil-in-water emulsions containing organic additives
-
- 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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/18—Bridging agents, i.e. particles for temporarily filling the pores of a formation; Graded salts
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Dispersion Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Lubricants (AREA)
Abstract
В заявке описан скважинный раствор, содержащий непрерывную водную фазу и содержащий по меньшей мере один полимер, который обладает молекулярной массой в диапазоне от 2000 до менее 100000; содержит гидрофильные звенья, такие, что растворимость полимера в воде при 20°С составляет не менее 2%, и такие, что менее 50 мас.% из указанных гидрофильных звеньев представляют собой звенья -СН∙СН∙О-; и содержит боковые алкильные группы, содержащие не менее 10 атомов углерода, суммарная молекулярная масса указанных боковых алкильных групп находится в диапазоне от 15 до 70 мас.% в пересчете на массу полимера. Такие скважинные растворы на водной основе обладают значительно улучшенными характеристиками водоотдачи при использовании в скважинных операциях, таких как бурение, заканчивание или ремонт.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06253321 | 2006-06-26 | ||
PCT/GB2007/002311 WO2008001048A1 (en) | 2006-06-26 | 2007-06-21 | Wellbore fluid |
Publications (2)
Publication Number | Publication Date |
---|---|
EA200900041A1 true EA200900041A1 (ru) | 2009-06-30 |
EA014520B1 EA014520B1 (ru) | 2010-12-30 |
Family
ID=37308850
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA200900041A EA014520B1 (ru) | 2006-06-26 | 2007-06-21 | Скважинный раствор |
EA200900028A EA016562B1 (ru) | 2006-06-26 | 2007-06-21 | Скважинный раствор, способ проведения скважинной операции с применением этого раствора, применение полимера |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA200900028A EA016562B1 (ru) | 2006-06-26 | 2007-06-21 | Скважинный раствор, способ проведения скважинной операции с применением этого раствора, применение полимера |
Country Status (5)
Country | Link |
---|---|
US (2) | US7919437B2 (ru) |
EP (2) | EP2038365A1 (ru) |
CA (2) | CA2656294C (ru) |
EA (2) | EA014520B1 (ru) |
WO (2) | WO2008001048A1 (ru) |
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US7148183B2 (en) | 2001-12-14 | 2006-12-12 | Baker Hughes Incorporated | Surfactant-polymer composition for substantially solid-free water based drilling, drill-in, and completion fluids |
GB2383355A (en) | 2001-12-22 | 2003-06-25 | Schlumberger Holdings | An aqueous viscoelastic fluid containing hydrophobically modified polymer and viscoelastic surfactant |
US6770604B2 (en) | 2002-02-08 | 2004-08-03 | Halliburton Energy Services, Inc. | High temperature viscosifying and fluid loss controlling additives for well cements, well cement compositions and methods |
US7741251B2 (en) | 2002-09-06 | 2010-06-22 | Halliburton Energy Services, Inc. | Compositions and methods of stabilizing subterranean formations containing reactive shales |
US7117942B2 (en) | 2004-06-29 | 2006-10-10 | Halliburton Energy Services, Inc. | Methods useful for controlling fluid loss during sand control operations |
US7759292B2 (en) | 2003-05-16 | 2010-07-20 | Halliburton Energy Services, Inc. | Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation |
WO2004109053A2 (en) | 2003-06-04 | 2004-12-16 | Sun Drilling Products Corporation | Lost circulation material blend offering high fluid loss with minimum solids |
EA009489B1 (ru) | 2003-07-25 | 2008-02-28 | Бп Эксплорейшн Оперейтинг Компани Лимитед | Способ бурения |
US7151077B2 (en) | 2004-03-29 | 2006-12-19 | Halliburton Energy Services, Inc. | Polymersome compositions and associated methods of use |
US20050239662A1 (en) | 2004-04-21 | 2005-10-27 | Chevron Phillips Chemical Company, Lp | Drilling fluids |
-
2007
- 2007-06-21 EP EP07733309A patent/EP2038365A1/en not_active Ceased
- 2007-06-21 US US12/308,760 patent/US7919437B2/en not_active Expired - Fee Related
- 2007-06-21 EP EP07733319A patent/EP2041236A1/en not_active Ceased
- 2007-06-21 CA CA2656294A patent/CA2656294C/en not_active Expired - Fee Related
- 2007-06-21 US US12/308,743 patent/US7943554B2/en not_active Expired - Fee Related
- 2007-06-21 EA EA200900041A patent/EA014520B1/ru not_active IP Right Cessation
- 2007-06-21 WO PCT/GB2007/002311 patent/WO2008001048A1/en active Application Filing
- 2007-06-21 EA EA200900028A patent/EA016562B1/ru not_active IP Right Cessation
- 2007-06-21 CA CA002656289A patent/CA2656289A1/en not_active Abandoned
- 2007-06-21 WO PCT/GB2007/002323 patent/WO2008001049A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2008001049A1 (en) | 2008-01-03 |
US7919437B2 (en) | 2011-04-05 |
CA2656294C (en) | 2014-08-12 |
EA200900028A1 (ru) | 2009-06-30 |
US7943554B2 (en) | 2011-05-17 |
US20090247428A1 (en) | 2009-10-01 |
EA014520B1 (ru) | 2010-12-30 |
EP2038365A1 (en) | 2009-03-25 |
EA016562B1 (ru) | 2012-05-30 |
WO2008001049A8 (en) | 2008-03-13 |
CA2656294A1 (en) | 2008-01-03 |
CA2656289A1 (en) | 2008-01-03 |
EP2041236A1 (en) | 2009-04-01 |
US20100016179A1 (en) | 2010-01-21 |
WO2008001048A1 (en) | 2008-01-03 |
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