[go: up one dir, main page]

RU97121304A - WATER DRILLING AND COLLECTOR SOLUTION, WAY OF DRILLING A BOREHOLE AND A POLYMER FOR INHIBITING OR SWELLING OF SHALE - Google Patents

WATER DRILLING AND COLLECTOR SOLUTION, WAY OF DRILLING A BOREHOLE AND A POLYMER FOR INHIBITING OR SWELLING OF SHALE

Info

Publication number
RU97121304A
RU97121304A RU97121304/03A RU97121304A RU97121304A RU 97121304 A RU97121304 A RU 97121304A RU 97121304/03 A RU97121304/03 A RU 97121304/03A RU 97121304 A RU97121304 A RU 97121304A RU 97121304 A RU97121304 A RU 97121304A
Authority
RU
Russia
Prior art keywords
monomers
polymer
alkyl groups
mol
ethylenically unsaturated
Prior art date
Application number
RU97121304/03A
Other languages
Russian (ru)
Other versions
RU2160759C2 (en
Inventor
Даймонд Брайан
Original Assignee
Эллайд Коллойдс Лимитед П.О.Бокс
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
Priority claimed from GBGB9510396.6A external-priority patent/GB9510396D0/en
Application filed by Эллайд Коллойдс Лимитед П.О.Бокс filed Critical Эллайд Коллойдс Лимитед П.О.Бокс
Publication of RU97121304A publication Critical patent/RU97121304A/en
Application granted granted Critical
Publication of RU2160759C2 publication Critical patent/RU2160759C2/en

Links

Claims (14)

1. Водный буровой или коллекторный раствор, содержащий в качестве ингибитора для сланца или глины растворенный полимер, образованный из этиленненасыщенного мономера или из смеси мономеров, отличающийся тем, что образован из 50-100 мол.% мономеров формулы (1):
Figure 00000001

где R1 выбран из Н и С1-С4-алкильных групп,
R2 выбран из C1-С4-алкильных групп, -C(CH3)2CH2COCH3, -СН=СН2 и -С(СН3)= СН2,
R3 выбран из Н, C1-С4-алкильных групп, СН2=СН- и СН2=С(СН3)-,
причем, когда R3 представляет Н или С1-С4-алкил, тогда R1 представляет Н, а R2 является -СН=СН2 или -С(СН3)=СН2, и когда R2 является -С(СН3)2СН2СОСН3, тогда R1 представляет Н;
0-50 мол.% других неионных этиленненасыщенных мономеров;
и 0-20 мол. % ионных этиленненасыщенных мономеров; и полимер имеет молекулярную массу менее 1 миллиона.1. An aqueous drilling fluid or reservoir solution containing, as an inhibitor for shale or clay, a dissolved polymer formed from ethylenically unsaturated monomer or from a mixture of monomers, characterized in that it is formed from 50-100 mol% of monomers of the formula (1):
Figure 00000001

where R 1 selected from H and C 1 -C 4 -alkyl groups,
R 2 is selected from C 1 -C 4 alkyl groups, —C (CH 3 ) 2 CH 2 COCH 3 , —CH = CH 2 and —C (CH 3 ) = CH 2 ,
R 3 selected from H, C 1 -C 4 -alkyl groups, CH 2 = CH - and CH 2 = C (CH 3 ) -,
moreover, when R 3 is H or C 1 -C 4 -alkyl, then R 1 is H and R 2 is —CH═CH 2 or —C (CH 3 ) = CH 2 , and when R 2 is —C ( CH 3 ) 2 CH 2 COCH 3 , then R 1 represents H;
0-50 mol% of other nonionic ethylenically unsaturated monomers;
and 0-20 mol. % ionic ethylenically unsaturated monomers; and the polymer has a molecular weight of less than 1 million. 2. Водный раствор по п. 1, отличающийся тем, что является буровым раствором. 2. An aqueous solution according to claim 1, characterized in that it is a drilling fluid. 3. Водный раствор по п. 1 или 2, отличающийся тем, что количество ионного мономера по существу равно нулю. 3. An aqueous solution according to claim 1 or 2, characterized in that the amount of ionic monomer is essentially zero. 4. Водный раствор по любому из предыдущих пунктов, отличающийся тем, что R1 выбран из H и C1-С3-алкильных групп; R2 выбран из C1-С3-алкильных групп, -С(СH3)2CН2СОСН3, -СН= СН2 и -С(СН3)=СН2; и R3 выбран из Н, C1-С3-алкильных групп, СН2=СН- и СН2=С(СН3)-.4. An aqueous solution according to any one of the preceding paragraphs, characterized in that R 1 selected from H and C 1 -C 3 -alkyl groups; R 2 is selected from C 1 -C 3 alkyl groups, —C (CH 3 ) 2 CH 2 COCH 3 , —CH = CH 2 and —C (CH 3 ) = CH 2 ; and R 3 is selected from H, C 1 -C 3 alkyl groups, CH 2 = CH— and CH 2 = C (CH 3 ) -. 5. Водный раствор по любому из предыдущих пунктов, отличающийся тем, что мономеры формулы (1) выбраны из С1-С3-алкил- и диалкил(мет)акриламидов, N-винилформамида, N-винилацетамида и диацетонакриламида.5. An aqueous solution according to any one of the preceding paragraphs, characterized in that the monomers of formula (1) are selected from C 1 -C 3 -alkyl- and dialkyl (meth) acrylamides, N-vinylformamide, N-vinylacetamide and diacetonone acrylamide. 6. Водный раствор по любому из предыдущих пунктов, отличающийся тем, что мономеры формулы (1) выбраны из N,N-диметилакриламида и N-винилформамида. 6. An aqueous solution according to any one of the preceding paragraphs, characterized in that the monomers of formula (1) are selected from N, N-dimethylacrylamide and N-vinylformamide. 7. Водный раствор по любому из предыдущих пунктов, отличающийся тем, что другие неионные мономеры содержат акриламид. 7. An aqueous solution according to any one of the preceding paragraphs, characterized in that the other non-ionic monomers contain acrylamide. 8. Водный раствор по любому из предыдущих пунктов, отличающийся тем, что смесь мономеров содержит по меньшей мере 70% мономеров формулы (1). 8. An aqueous solution according to any one of the preceding paragraphs, characterized in that the mixture of monomers contains at least 70% of the monomers of the formula (1). 9. Водный раствор по любому из предыдущих пунктов, отличающийся тем, что полимер растворен в количестве до 3% от веса раствора. 9. An aqueous solution according to any one of the preceding paragraphs, characterized in that the polymer is dissolved in an amount up to 3% by weight of the solution. 10. Способ бурения ствола скважины в содержащей сланцы породе, в котором материал удаляют из породы и вымывают водным буровым раствором на поверхность ствола скважины, а водный буровой раствор содержит растворенный полимер, образованный из мономера с этиленовой ненасыщенностью или из смеси мономеров, отличающийся тем, что полимер образован из 50-100 мол.% мономеров формулы (1):
Figure 00000002

где R1 выбран из H и C1-С4-алкильных групп,
R1 выбран из C1-С3-алкильных групп, -С(СH3)2СН2СОСН3, -CH=CH2 и -С(СН3)= СН2,
R3 выбран из Н, C1-С4-алкильных групп, СН2=СН- и СН2=С(СН3)-, причем, когда R3 представляет Н или C1-С4-алкил, тогда R1 представляет Н, a R2 является -СН=СН2 или -С(СН3)=СН2,
и когда R2 является -С(СН3)2СН2СОСН3, тогда R1 представляет Н;
0-50 мол.% других неионных этиленненасыщенных мономеров;
и 0-20 мол. % ионных этиленненасыщенных мономеров;
и полимер имеет молекулярную массу менее 1 миллиона.10. A method of drilling a wellbore in a shale-containing rock in which material is removed from the rock and washed with an aqueous drilling fluid to the surface of the wellbore, and the aqueous drilling fluid contains dissolved polymer formed from ethylene unsaturated monomer or from a mixture of monomers, characterized in that the polymer is formed from 50-100 mol.% monomers of the formula (1):
Figure 00000002

where R 1 selected from H and C 1 -C 4 -alkyl groups,
R 1 is selected from C 1 -C 3 alkyl groups, —C (CH 3 ) 2 CH 2 COCH 3 , —CH = CH 2 and —C (CH 3 ) = CH 2 ,
R 3 is selected from H, C 1 -C 4 alkyl groups, CH 2 = CH - and CH 2 = C (CH 3 ) -, and when R 3 is H or C 1 -C 4 alkyl, then R 1 represents H, a R 2 is —CH = CH 2 or —C (CH 3 ) = CH 2 ,
and when R 2 is —C (CH 3 ) 2 CH 2 COCH 3 , then R 1 is H;
0-50 mol% of other nonionic ethylenically unsaturated monomers;
and 0-20 mol. % ionic ethylenically unsaturated monomers;
and the polymer has a molecular weight of less than 1 million. 11. Способ бурения ствола скважины в содержащей сланцы породе, в котором материал удаляют из породы и вымывают водным буровым раствором на поверхность ствола скважины, отличающийся тем, что включает распознавание того, что бурение ствола скважины происходит через содержащую сланцы породу, а буровой раствор включает растворенный полимер, образованный из этиленненасыщенного мономера или из смеси мономеров, где полимер образован из 50-100 мол.% мономеров формулы (1):
Figure 00000003

где R1 выбран из Н и C1-C4-алкильных групп,
R2 выбран из C1-C4-алкильных групп, -С(СН3)2СН2СОСН3, -СН=СН2 и -С(СН3)= СН2,
R3 выбран из Н, C1-C4-алкильных групп, СН2=СН- и СН2=С(СН3)-, причем когда R3 представляет Н или C1-C4-алкил, тогда представляет Н, a R2 является -СН=СН2 или -С(СН3)=СН2,
и когда R2 является -C(CH3)2CH2COCH3, тогда R1 представляет Н;
0-50 мол.% других неионных этиленненасыщенных мономеров;
и 0-20 мол.% ионных этиленненасыщенных мономеров;
и полимер имеет молекулярную массу менее 1 миллиона.11. A method of drilling a wellbore in a shale-containing rock in which material is removed from the rock and washed with an aqueous drilling fluid onto the surface of the wellbore, characterized in that it recognizes that the wellbore is being drilled through the shale-containing rock and the drilling fluid includes dissolved a polymer formed from ethylenically unsaturated monomer or from a mixture of monomers, where the polymer is formed from 50-100 mol.% monomers of the formula (1):
Figure 00000003

where R 1 selected from H and C 1 -C 4 -alkyl groups,
R 2 is selected from C 1 -C 4 alkyl groups, —C (CH 3 ) 2 CH 2 COCH 3 , —CH = CH 2 and —C (CH 3 ) = CH 2 ,
R 3 selected from H, C 1 -C 4 -alkyl groups, CH 2 = CH - and CH 2 = C (CH 3 ) -, and when R 3 represents H or C 1 -C 4 -alkyl, then represents H, a R 2 is —CH = CH 2 or —C (CH 3 ) = CH 2 ,
and when R 2 is —C (CH 3 ) 2 CH 2 COCH 3 , then R 1 is H;
0-50 mol% of other nonionic ethylenically unsaturated monomers;
and 0-20 mol.% ionic ethylenically unsaturated monomers;
and the polymer has a molecular weight of less than 1 million. 12. Способ по п. 10 или 11, отличающийся тем, что водный буровой раствор имеет любые характеристики, указанные в пп. 3-9. 12. The method according to p. 10 or 11, characterized in that the aqueous drilling fluid has any of the characteristics specified in paragraphs. 3-9. 13. Полимер для ингибирования гидратации и дробления стенок ствола скважины в содержащей сланцы породе и удаляемого из него материала, растворенный в водном буровом растворе, образованный из этиленненасыщенного мономера или из смеси мономеров, отличающийся тем, что полимер образован из 50-100 мол.% мономеров формулы (1):
Figure 00000004

где R1 выбран из Н и C1-C4-алкильных групп,
R2 выбран из C1-C4-алкильных групп, -С(СН3)2СН2СОСН3, -СН=СН2 и -С(СН3)= СН2,
R3 выбран из Н, C1-C4-алкильных групп, СН2=СН- и СН2=С(СН3)-, причем, когда R3 представляет Н или C1-C3-алкил, тогда R1 представляет Н, a R2 является -СН=СН2 или -С(СН3)=СН2.13. A polymer for inhibiting the hydration and crushing of the walls of a borehole in a rock containing shale and material removed from it, dissolved in an aqueous drilling fluid, formed from an ethylenically unsaturated monomer or from a mixture of monomers, characterized in that the polymer is formed from 50-100 mol% of monomers formulas (1):
Figure 00000004

where R 1 selected from H and C 1 -C 4 -alkyl groups,
R 2 is selected from C 1 -C 4 alkyl groups, —C (CH 3 ) 2 CH 2 COCH 3 , —CH = CH 2 and —C (CH 3 ) = CH 2 ,
R 3 is selected from H, C 1 -C 4 -alkyl groups, CH 2 = CH - and CH 2 = C (CH 3 ) -, and when R 3 is H or C 1 -C 3 -alkyl, then R 1 represents H, and R 2 is —CH = CH 2 or —C (CH 3 ) = CH 2 . и когда R2 является -C(CH3)2CH2COCH3, тогда R1 представляет Н;
0-50 мол.% других этиленненасыщенных мономеров;
и 0-20 мол.% ионных этиленненасыщенных мономеров;
и полимер имеет молекулярную массу менее 1 миллиона.and when R 2 is —C (CH 3 ) 2 CH 2 COCH 3 , then R 1 is H;
0-50 mol% of other ethylenically unsaturated monomers;
and 0-20 mol.% ionic ethylenically unsaturated monomers;
and the polymer has a molecular weight of less than 1 million. 14. Полимер по п. 13, отличающийся тем, что водный буровой раствор имеет характеристики, определенные в пп. 3oC9.14. The polymer according to claim 13, wherein the aqueous drilling fluid has the characteristics defined in paragraphs. 3 o C9.
RU97121304/03A 1995-05-23 1996-05-22 Aqueous drilling or collecting mud and method of drilling shaft of borehole (variants) RU2160759C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9510396.6A GB9510396D0 (en) 1995-05-23 1995-05-23 Polymers for drilling and reservoir fluids and their use
GB9510396.6 1995-05-23

Publications (2)

Publication Number Publication Date
RU97121304A true RU97121304A (en) 1999-09-20
RU2160759C2 RU2160759C2 (en) 2000-12-20

Family

ID=10774886

Family Applications (1)

Application Number Title Priority Date Filing Date
RU97121304/03A RU2160759C2 (en) 1995-05-23 1996-05-22 Aqueous drilling or collecting mud and method of drilling shaft of borehole (variants)

Country Status (9)

Country Link
US (1) US6020289A (en)
AR (1) AR002085A1 (en)
AU (1) AU5773896A (en)
CA (1) CA2219808A1 (en)
GB (2) GB9510396D0 (en)
MX (1) MX9709046A (en)
NO (1) NO975361L (en)
RU (1) RU2160759C2 (en)
WO (1) WO1996037572A1 (en)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6656989B1 (en) * 1999-05-21 2003-12-02 Cabot Corporation Compositions comprising water soluble copolymer and cesium salt of a carboxylic acid
CA2429644C (en) * 2000-12-11 2010-10-12 Unilever Plc Textile care composition
RU2187532C1 (en) * 2001-04-05 2002-08-20 ООО "Уренгойгазпром" ОАО "Газпром" Well killing fluid
US6660693B2 (en) * 2001-08-08 2003-12-09 Schlumberger Technology Corporation Methods for dewatering shaly subterranean formations
US7205262B2 (en) 2001-12-12 2007-04-17 Weatherford/Lamb, Inc. Friction reducing composition and method
US7183239B2 (en) * 2001-12-12 2007-02-27 Clearwater International, Llc Gel plugs and pigs for pipeline use
US8273693B2 (en) * 2001-12-12 2012-09-25 Clearwater International Llc Polymeric gel system and methods for making and using same in hydrocarbon recovery
US7405188B2 (en) 2001-12-12 2008-07-29 Wsp Chemicals & Technology, Llc Polymeric gel system and compositions for treating keratin substrates containing same
US7091159B2 (en) * 2002-09-06 2006-08-15 Halliburton Energy Services, Inc. Compositions for and methods of stabilizing subterranean formations containing clays
US7741251B2 (en) * 2002-09-06 2010-06-22 Halliburton Energy Services, Inc. Compositions and methods of stabilizing subterranean formations containing reactive shales
US7220708B2 (en) * 2003-02-27 2007-05-22 Halliburton Energy Services, Inc. Drilling fluid component
US8251141B2 (en) * 2003-05-16 2012-08-28 Halliburton Energy Services, Inc. Methods useful for controlling fluid loss during sand control operations
US8091638B2 (en) * 2003-05-16 2012-01-10 Halliburton Energy Services, Inc. Methods useful for controlling fluid loss in subterranean formations
US8631869B2 (en) * 2003-05-16 2014-01-21 Leopoldo Sierra Methods useful for controlling fluid loss in subterranean treatments
US8181703B2 (en) * 2003-05-16 2012-05-22 Halliburton Energy Services, Inc. Method useful for controlling fluid loss in subterranean formations
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
US7117942B2 (en) * 2004-06-29 2006-10-10 Halliburton Energy Services, Inc. Methods useful for controlling fluid loss during sand control operations
US7182136B2 (en) * 2003-07-02 2007-02-27 Halliburton Energy Services, Inc. Methods of reducing water permeability for acidizing a subterranean formation
US8278250B2 (en) * 2003-05-16 2012-10-02 Halliburton Energy Services, Inc. Methods useful for diverting aqueous fluids in subterranean operations
US20040229756A1 (en) * 2003-05-16 2004-11-18 Eoff Larry S. Method for stimulating hydrocarbon production and reducing the production of water from a subterranean formation
US8962535B2 (en) 2003-05-16 2015-02-24 Halliburton Energy Services, Inc. Methods of diverting chelating agents in subterranean treatments
US7563750B2 (en) * 2004-01-24 2009-07-21 Halliburton Energy Services, Inc. Methods and compositions for the diversion of aqueous injection fluids in injection operations
US7159656B2 (en) * 2004-02-18 2007-01-09 Halliburton Energy Services, Inc. Methods of reducing the permeabilities of horizontal well bore sections
US7114568B2 (en) * 2004-04-15 2006-10-03 Halliburton Energy Services, Inc. Hydrophobically modified polymers for a well completion spacer fluid
US7207387B2 (en) * 2004-04-15 2007-04-24 Halliburton Energy Services, Inc. Methods and compositions for use with spacer fluids used in subterranean well bores
US7216707B2 (en) * 2004-06-21 2007-05-15 Halliburton Energy Services, Inc. Cement compositions with improved fluid loss characteristics and methods of cementing using such cement compositions
US7312183B2 (en) * 2004-10-05 2007-12-25 M-I L.L.C. Shale hydration inhibition agent and method of use
GB2420572A (en) * 2004-11-10 2006-05-31 Ciba Spec Chem Water Treat Ltd Inhibition of clay or shale
US7398825B2 (en) * 2004-12-03 2008-07-15 Halliburton Energy Services, Inc. Methods of controlling sand and water production in subterranean zones
DE102005003569A1 (en) * 2005-01-25 2006-08-03 Basf Ag Use of aqueous dispersions for tertiary petroleum production involves using water-soluble polymer in form of dispersion of water-soluble polymer and at least one water-soluble polymer stabilizer
FR2887256B1 (en) * 2005-06-15 2010-04-30 Rhodia Chimie Sa DRILLING FLUID COMPRISING A POLYMER AND USE OF THE POLYMER IN A DRILLING FLUID
US20080110624A1 (en) * 2005-07-15 2008-05-15 Halliburton Energy Services, Inc. Methods for controlling water and particulate production in subterranean wells
US7493957B2 (en) 2005-07-15 2009-02-24 Halliburton Energy Services, Inc. Methods for controlling water and sand production in subterranean wells
US7605112B2 (en) * 2005-11-04 2009-10-20 Isp Investments Inc. Shale inhibition
US7441598B2 (en) * 2005-11-22 2008-10-28 Halliburton Energy Services, Inc. Methods of stabilizing unconsolidated subterranean formations
US7549474B2 (en) * 2006-05-11 2009-06-23 Halliburton Energy Services, Inc. Servicing a wellbore with an aqueous based fluid comprising a clay inhibitor
US7687438B2 (en) * 2006-09-20 2010-03-30 Halliburton Energy Services, Inc. Drill-in fluids and associated methods
US7678743B2 (en) * 2006-09-20 2010-03-16 Halliburton Energy Services, Inc. Drill-in fluids and associated methods
US7678742B2 (en) * 2006-09-20 2010-03-16 Halliburton Energy Services, Inc. Drill-in fluids and associated methods
US7947627B2 (en) 2006-12-14 2011-05-24 Schlumberger Technology Corporation Fluid loss control agent with triggerable removal mechanism
US7730950B2 (en) 2007-01-19 2010-06-08 Halliburton Energy Services, Inc. Methods for treating intervals of a subterranean formation having variable permeability
US7934557B2 (en) * 2007-02-15 2011-05-03 Halliburton Energy Services, Inc. Methods of completing wells for controlling water and particulate production
US8099997B2 (en) 2007-06-22 2012-01-24 Weatherford/Lamb, Inc. Potassium formate gel designed for the prevention of water ingress and dewatering of pipelines or flowlines
US8065905B2 (en) 2007-06-22 2011-11-29 Clearwater International, Llc Composition and method for pipeline conditioning and freezing point suppression
US7552771B2 (en) * 2007-11-14 2009-06-30 Halliburton Energy Services, Inc. Methods to enhance gas production following a relative-permeability-modifier treatment
US20090253594A1 (en) * 2008-04-04 2009-10-08 Halliburton Energy Services, Inc. Methods for placement of sealant in subterranean intervals
BRPI0915391A2 (en) * 2008-06-23 2015-11-03 M I Drilling Fluids Uk Ltd shale stabilization copolymer and method of use
US9102865B2 (en) * 2009-02-16 2015-08-11 Chevron Phillips Chemical Company Lp Wellbore servicing fluids comprising cationic polymers and methods of using same
US7998910B2 (en) * 2009-02-24 2011-08-16 Halliburton Energy Services, Inc. Treatment fluids comprising relative permeability modifiers and methods of use
US8420576B2 (en) * 2009-08-10 2013-04-16 Halliburton Energy Services, Inc. Hydrophobically and cationically modified relative permeability modifiers and associated methods
RU2468057C2 (en) * 2011-03-02 2012-11-27 Общество с ограниченной ответственностью "Научно-исследовательский институт природных газов и газовых технологий - Газпром ВНИИГАЗ" Inhibiting drill fluid
US10808530B1 (en) * 2012-08-07 2020-10-20 University of Alaska, Anchorage Mineral isotopes in water, methods and uses thereof

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1214176B (en) * 1963-12-07 1966-04-14 Kalle Ag Water-based clay rinse
US3323603A (en) * 1964-11-12 1967-06-06 Pan American Petroleum Corp Drilling fluid containing acrylic acidacrylamide copolymer and method of drilling therewith
DE1300481B (en) * 1968-03-02 1969-08-07 Hoechst Ag Water-based clay rinse
US3629101A (en) * 1968-03-02 1971-12-21 Hoechst Ag Water-base clayey drilling fluids
GB1547951A (en) * 1977-03-24 1979-07-04 Shell Int Research Drilling a borehole
GB2000210A (en) * 1977-06-15 1979-01-04 British Petroleum Co Drilling fluids
US4500437A (en) * 1980-12-15 1985-02-19 Cassella Aktiengesellschaft Water soluble copolymers for use in fracture-acidizing of wells
US4515699A (en) * 1981-10-13 1985-05-07 Oliver Jr John E Chemically cleaning drilling/completion/packer brines
US4447341A (en) * 1982-08-27 1984-05-08 W. R. Grace & Co. Clay stabilizer composition for aqueous drilling fluids
US4554081A (en) * 1984-05-21 1985-11-19 Halliburton Company High density well drilling, completion and workover brines, fluid loss reducing additives therefor and methods of use
US4757862A (en) * 1986-08-21 1988-07-19 Petrolite Corporation Shale stabilizer and method of use thereof
US4921621A (en) * 1986-10-01 1990-05-01 Air Products And Chemicals, Inc. Hydrolyzed co-polymers of N-vinylamide and acrylamide for use as waterloss control additives in drilling mud
US4828725A (en) * 1986-10-01 1989-05-09 Air Products And Chemicals, Inc. Completion fluids containing high molecular weight poly(vinylamines)
US4804793A (en) * 1986-10-01 1989-02-14 Air Products And Chemicals, Inc. Drilling mud compositions containing high molecular weight poly (vinylamines)
EP0295614A1 (en) * 1987-06-19 1988-12-21 Air Products And Chemicals, Inc. Acidized fracturing fluids containing high molecular weight poly(vinylamines) for enhanced oil recovery
US4988450A (en) * 1988-03-15 1991-01-29 E. I. Du Pont De Nemours And Company Shale-stabilizing drilling fluid additives
DE4011348A1 (en) * 1990-04-07 1991-10-10 Bayer Ag DRILLING TREATMENT LIQUIDS WITH SOUND INHIBITING PROPERTIES (II)

Similar Documents

Publication Publication Date Title
RU97121304A (en) WATER DRILLING AND COLLECTOR SOLUTION, WAY OF DRILLING A BOREHOLE AND A POLYMER FOR INHIBITING OR SWELLING OF SHALE
RU2160759C2 (en) Aqueous drilling or collecting mud and method of drilling shaft of borehole (variants)
CA1223721A (en) Intramolecular polymer complexes - viscosifiers for high ionic strength drilling fluids
US4699722A (en) Aqueous well fluids
US4455240A (en) Ampholytic polymers for use as filtration control aids in drilling muds
EP0156031B1 (en) Method of oil recovery
US4451631A (en) Agent and method for deoiling sand and rock masses
CA1228725A (en) Methods of minimizing fines migration in subterranean formations
US7928039B2 (en) Reversible emulsions stabilized by amphiphilic polymers
US6346588B1 (en) Terpolymers based on sulfobetaines, processes for their preparation and their use as thickeners for aqueous salt solutions
US4484631A (en) Use of polyampholytes to enhance oil and/or gas recovery
CA1207517A (en) Water control well treating solution and method
US4143716A (en) Tertiary oil recovery process utilizing a preflush
EP0180406B1 (en) Method of treating a subterranean formation
GB2155975A (en) Drilling fluid containing a copolymer filtration control agent
US4632185A (en) Polymerflood process
US3210310A (en) Composition of alkylidene bisacrylamide and ethylenic monomers with calcium chloride
EP0447967B1 (en) Gelation of acrylamide-containing polymers with furfuryl alcohol and water dispersible aldehydes
US4690219A (en) Acidizing using n-vinyl lactum/unsaturated amide copolymers
US4637467A (en) Permeability contrast correction
US4582137A (en) Polymerizable surfactants for permeability control in waterflooding
GB2151235A (en) Process for the production of partially hydrolyzed aqueous polymer solutions
JPH0657245A (en) Water-based circulated excavation slurry
US4458048A (en) Alkyl sulfonates of polyvinyl alcohol as viscosifiers in saline solutions
EP0475325A1 (en) Gelatin of acrylamide-containing polymers with aminobenzoic acid compounds and water dispersible aldehydes