RU2001130049A - AMPHOTERIC WATER-SOLUBLE POLYMERS CONTAINING A QUARTERLY ATOMIC NITROGEN AND THEIR APPLICATION IN DRILLING SOLUTIONS - Google Patents
AMPHOTERIC WATER-SOLUBLE POLYMERS CONTAINING A QUARTERLY ATOMIC NITROGEN AND THEIR APPLICATION IN DRILLING SOLUTIONSInfo
- Publication number
- RU2001130049A RU2001130049A RU2001130049/03A RU2001130049A RU2001130049A RU 2001130049 A RU2001130049 A RU 2001130049A RU 2001130049/03 A RU2001130049/03 A RU 2001130049/03A RU 2001130049 A RU2001130049 A RU 2001130049A RU 2001130049 A RU2001130049 A RU 2001130049A
- Authority
- RU
- Russia
- Prior art keywords
- group
- composition
- quaternary ammonium
- mixtures
- composition according
- Prior art date
Links
- 229910052757 nitrogen Inorganic materials 0.000 title claims 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title 2
- 229920003169 water-soluble polymer Polymers 0.000 title 1
- 239000000203 mixture Substances 0.000 claims 38
- -1 sulfoethyl carboxymethyl Chemical group 0.000 claims 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 9
- 239000000178 monomer Substances 0.000 claims 9
- 229920000642 polymer Polymers 0.000 claims 9
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims 8
- 125000000129 anionic group Chemical group 0.000 claims 8
- 239000001768 carboxy methyl cellulose Substances 0.000 claims 8
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims 8
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims 8
- 229920002472 Starch Polymers 0.000 claims 7
- 125000002091 cationic group Chemical group 0.000 claims 7
- 125000004433 nitrogen atoms Chemical group N* 0.000 claims 7
- 239000008107 starch Substances 0.000 claims 7
- 235000019698 starch Nutrition 0.000 claims 7
- 239000003795 chemical substances by application Substances 0.000 claims 6
- 240000005497 Cyamopsis tetragonoloba Species 0.000 claims 5
- 125000000217 alkyl group Chemical group 0.000 claims 4
- 150000001450 anions Chemical class 0.000 claims 4
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims 4
- 239000004927 clay Substances 0.000 claims 4
- 229910052570 clay Inorganic materials 0.000 claims 4
- 229920002401 polyacrylamide Polymers 0.000 claims 4
- 125000001453 quaternary ammonium group Chemical group 0.000 claims 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- HWKQNAWCHQMZHK-UHFFFAOYSA-N Trolnitrate Chemical compound [O-][N+](=O)OCCN(CCO[N+]([O-])=O)CCO[N+]([O-])=O HWKQNAWCHQMZHK-UHFFFAOYSA-N 0.000 claims 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims 3
- 125000003118 aryl group Chemical group 0.000 claims 3
- 239000000440 bentonite Substances 0.000 claims 3
- 229910000278 bentonite Inorganic materials 0.000 claims 3
- 238000005553 drilling Methods 0.000 claims 3
- 239000012530 fluid Substances 0.000 claims 3
- 229920000058 polyacrylate Polymers 0.000 claims 3
- 125000001424 substituent group Chemical group 0.000 claims 3
- 229920001059 synthetic polymer Polymers 0.000 claims 3
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 claims 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N Maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims 2
- 239000004113 Sepiolite Substances 0.000 claims 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L Sulphite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims 2
- NLVXSWCKKBEXTG-UHFFFAOYSA-N Vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 claims 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K [O-]P([O-])([O-])=O Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 2
- 125000004183 alkoxy alkyl group Chemical group 0.000 claims 2
- 125000004171 alkoxy aryl group Chemical group 0.000 claims 2
- 125000002877 alkyl aryl group Chemical group 0.000 claims 2
- 125000006615 aromatic heterocyclic group Chemical group 0.000 claims 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims 2
- 229920002678 cellulose Polymers 0.000 claims 2
- 239000001913 cellulose Substances 0.000 claims 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 2
- TUKQLEWOUPCTOS-UHFFFAOYSA-N dimagnesium;dioxido(oxo)silane;hydroxy-oxido-oxosilane;hydrate Chemical compound O.[Mg+2].[Mg+2].O[Si]([O-])=O.O[Si]([O-])=O.[O-][Si]([O-])=O TUKQLEWOUPCTOS-UHFFFAOYSA-N 0.000 claims 2
- 150000002148 esters Chemical group 0.000 claims 2
- 150000004676 glycans Polymers 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxyl anion Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 229910052751 metal Inorganic materials 0.000 claims 2
- 150000002739 metals Chemical class 0.000 claims 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims 2
- 239000010452 phosphate Substances 0.000 claims 2
- 229920001282 polysaccharide Polymers 0.000 claims 2
- 239000005017 polysaccharide Substances 0.000 claims 2
- 150000004804 polysaccharides Polymers 0.000 claims 2
- 229910052624 sepiolite Inorganic materials 0.000 claims 2
- 235000019355 sepiolite Nutrition 0.000 claims 2
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 2
- FZGFBJMPSHGTRQ-UHFFFAOYSA-M trimethyl(2-prop-2-enoyloxyethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCOC(=O)C=C FZGFBJMPSHGTRQ-UHFFFAOYSA-M 0.000 claims 2
- 229920001285 xanthan gum Polymers 0.000 claims 2
- 239000000230 xanthan gum Substances 0.000 claims 2
- 235000010493 xanthan gum Nutrition 0.000 claims 2
- 229940082509 xanthan gum Drugs 0.000 claims 2
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims 1
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims 1
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Acrylamido-2-methylpropane sulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 claims 1
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 claims 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N 2-hydroxyethyl 2-methylacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims 1
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N 2-methyl-2-propenoic acid methyl ester Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims 1
- AGBXYHCHUYARJY-UHFFFAOYSA-M 2-phenylethenesulfonate Chemical compound [O-]S(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-M 0.000 claims 1
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 claims 1
- CWSZBVAUYPTXTG-UHFFFAOYSA-N 5-[6-[[3,4-dihydroxy-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxymethyl]-3,4-dihydroxy-5-[4-hydroxy-3-(2-hydroxyethoxy)-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxyoxan-2-yl]oxy-6-(hydroxymethyl)-2-methyloxane-3,4-diol Chemical compound O1C(CO)C(OC)C(O)C(O)C1OCC1C(OC2C(C(O)C(OC)C(CO)O2)OCCO)C(O)C(O)C(OC2C(OC(C)C(O)C2O)CO)O1 CWSZBVAUYPTXTG-UHFFFAOYSA-N 0.000 claims 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-L CHEBI:8154 Chemical group [O-]P([O-])=O ABLZXFCXXLZCGV-UHFFFAOYSA-L 0.000 claims 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N Methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims 1
- LRMHVVPPGGOAJQ-UHFFFAOYSA-N Methyl nitrate Chemical compound CO[N+]([O-])=O LRMHVVPPGGOAJQ-UHFFFAOYSA-N 0.000 claims 1
- GETQZCLCWQTVFV-UHFFFAOYSA-N Trimethylamine Chemical group CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 claims 1
- OACBAVHZFYNQSK-UHFFFAOYSA-N [Cl-].C[NH2+]CCC(C)(C)NC(C=C)=O Chemical compound [Cl-].C[NH2+]CCC(C)(C)NC(C=C)=O OACBAVHZFYNQSK-UHFFFAOYSA-N 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims 1
- 125000002252 acyl group Chemical group 0.000 claims 1
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- 125000003545 alkoxy group Chemical group 0.000 claims 1
- 125000005248 alkyl aryloxy group Chemical group 0.000 claims 1
- 125000004104 aryloxy group Chemical group 0.000 claims 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims 1
- 150000007942 carboxylates Chemical class 0.000 claims 1
- 238000007334 copolymerization reaction Methods 0.000 claims 1
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical group [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 claims 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 claims 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 1
- 125000001165 hydrophobic group Chemical group 0.000 claims 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims 1
- CAAULPUQFIIOTL-UHFFFAOYSA-N methyl dihydrogen phosphate Chemical compound COP(O)(O)=O CAAULPUQFIIOTL-UHFFFAOYSA-N 0.000 claims 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- JZMJDSHXVKJFKW-UHFFFAOYSA-M methyl sulfate(1-) Chemical compound COS([O-])(=O)=O JZMJDSHXVKJFKW-UHFFFAOYSA-M 0.000 claims 1
- 229920000141 poly(maleic anhydride) Polymers 0.000 claims 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 claims 1
- 229920001888 polyacrylic acid Polymers 0.000 claims 1
- 239000004584 polyacrylic acid Substances 0.000 claims 1
- 229920000193 polymethacrylate Polymers 0.000 claims 1
- 229960002796 polystyrene sulfonate Drugs 0.000 claims 1
- 239000011970 polystyrene sulfonate Substances 0.000 claims 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- UZNHKBFIBYXPDV-UHFFFAOYSA-N trimethyl-[3-(2-methylprop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)NCCC[N+](C)(C)C UZNHKBFIBYXPDV-UHFFFAOYSA-N 0.000 claims 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
Claims (23)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/287,903 US6281172B1 (en) | 1999-04-07 | 1999-04-07 | Quaternary nitrogen containing amphoteric water soluble polymers and their use in drilling fluids |
CA 2268734 CA2268734C (en) | 1999-04-07 | 1999-04-07 | Quaternary nitrogen containing amphoteric water soluble polymers and their use in drilling fluids |
US09/287,903 | 1999-04-07 | ||
CA2,268,734 | 1999-04-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2001130049A true RU2001130049A (en) | 2003-08-27 |
RU2224779C2 RU2224779C2 (en) | 2004-02-27 |
Family
ID=25680892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2001130049/03A RU2224779C2 (en) | 1999-04-07 | 2000-03-31 | Hydrogen-containing drilling fluid composition |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP1169405B1 (en) |
AT (1) | ATE387482T1 (en) |
AU (1) | AU767777B2 (en) |
BR (1) | BR0009559B1 (en) |
CO (1) | CO5231219A1 (en) |
DE (1) | DE60038168T2 (en) |
DK (1) | DK1169405T3 (en) |
MX (1) | MXPA01010220A (en) |
RU (1) | RU2224779C2 (en) |
WO (1) | WO2000060023A2 (en) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7312183B2 (en) * | 2004-10-05 | 2007-12-25 | M-I L.L.C. | Shale hydration inhibition agent and method of use |
US7989402B2 (en) * | 2006-09-14 | 2011-08-02 | Elementis Specialties, Inc. | Functionalized clay compositions for aqueous based drilling fluids |
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 |
MX2011003494A (en) | 2011-03-31 | 2011-07-28 | Protexa S A De C V | Fluid system of high pressure and high temperature, which is free of solids and useful for the preformation, finish and repair of oil and gas wells. |
CN102702392A (en) * | 2012-05-30 | 2012-10-03 | 华南理工大学 | Method for quickly preparing amphoteric carboxymethyl xylan quaternary ammonium salt through microwave radiation |
CN103045224B (en) * | 2013-01-08 | 2014-10-01 | 陕西科技大学 | Preparation method of viscous oil viscosity reducer containing quaternary ammonium salt structure |
RU2660810C2 (en) * | 2013-02-28 | 2018-07-10 | Кемира Ойй | Gel compositions for hydraulic fracturing applications |
US20140291029A1 (en) * | 2013-03-29 | 2014-10-02 | Halliburton Energy Services, Inc. | Beneficiated Clay Viscosifying Additives |
US9657522B2 (en) * | 2013-03-29 | 2017-05-23 | Halliburton Energy Services, Inc. | Methods of beneficiating drilling fluids comprising low- and high-quality clays |
CN104151491B (en) * | 2014-07-15 | 2016-04-13 | 中国石油集团长城钻探工程有限公司钻井液公司 | Suppressed dose of drilling fluid bag and preparation method thereof |
AU2015384181B2 (en) * | 2015-02-27 | 2018-06-21 | Halliburton Energy Services, Inc. | Ultrasound color flow imaging for drilling applications |
RU2605109C1 (en) * | 2015-09-04 | 2016-12-20 | Общество с ограниченной ответственностью "Научно-исследовательский институт природных газов и газовых технологий - Газпром ВНИИГАЗ" | Inhibiting drilling mud |
RU2605217C1 (en) * | 2015-09-04 | 2016-12-20 | Общество с ограниченной ответственностью "Научно-исследовательский институт природных газов и газовых технологий - Газпром ВНИИГАЗ" | Drilling fluid (versions) |
RU2605215C1 (en) * | 2015-09-04 | 2016-12-20 | Общество с ограниченной ответственностью "Научно-исследовательский институт природных газов и газовых технологий - Газпром ВНИИГАЗ" | Cationic drilling mud |
RU2605214C1 (en) * | 2015-09-04 | 2016-12-20 | Общество с ограниченной ответственностью "Научно-исследовательский институт природных газов и газовых технологий - Газпром ВНИИГАЗ" | Cation-inhibiting drilling mud |
CN107868379B (en) * | 2016-09-26 | 2020-09-04 | 中国石油化工股份有限公司 | Reinforced polyacrylamide microsphere for profile control and preparation method thereof |
RU2655267C1 (en) * | 2017-08-21 | 2018-05-24 | Общество с ограниченной ответственностью "Научно-исследовательский институт природных газов и газовых технологий - Газпром ВНИИГАЗ" | Cationic drilling mud |
CN108641686B (en) * | 2018-05-25 | 2021-01-01 | 成都理工大学 | Flow pattern regulator for ultra-high temperature and ultra-high density water-based drilling fluid and completion fluid and preparation method thereof |
US11845810B2 (en) | 2018-12-31 | 2023-12-19 | Dow Silicones Corporation | Silicon glycan and method of preparing same |
CN112480317B (en) * | 2019-09-12 | 2022-06-03 | 中国石油天然气股份有限公司 | Gel plugging material and preparation method thereof |
JP2023501585A (en) * | 2019-11-19 | 2023-01-18 | ダウ シリコーンズ コーポレーション | Method for preparing silicon glycans |
US20220356270A1 (en) * | 2019-11-19 | 2022-11-10 | Dow Silicones Corporation | Silicon glycan and method of preparing same |
CN114591720B (en) * | 2020-12-07 | 2023-05-30 | 中国石油化工股份有限公司 | Tackifier for high-temperature-resistant and saturated-salt-resistant drilling fluid and preparation method thereof |
CN114163573A (en) * | 2021-06-29 | 2022-03-11 | 中国石油天然气集团有限公司 | Zwitterionic polymer, preparation method and application thereof |
CN116903792A (en) * | 2023-07-18 | 2023-10-20 | 甘肃煤田地质局一四五队 | Multifunctional drilling treatment agent, preparation method and foam drilling fluid applied by same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3226858A1 (en) * | 1982-07-17 | 1984-01-19 | Philips Patentverwaltung Gmbh, 2000 Hamburg | TURNING ANODE TUBE TUBES |
CA1333109C (en) * | 1988-04-26 | 1994-11-15 | John Ji-Hsiung Tsai | Method and composition for thickening or stabilizing electrolyte containing aqueous media with polyamphoteric polysaccharides |
SU1758065A1 (en) * | 1990-04-17 | 1992-08-30 | Башкирский государственный научно-исследовательский и проектный институт нефтяной промышленности | Water-base drilling mud |
US5663123A (en) * | 1992-07-15 | 1997-09-02 | Kb Technologies Ltd. | Polymeric earth support fluid compositions and method for their use |
US5387675A (en) * | 1993-03-10 | 1995-02-07 | Rhone-Poulenc Specialty Chemicals Co. | Modified hydrophobic cationic thickening compositions |
CA2125452A1 (en) * | 1993-07-01 | 1995-01-02 | Rhone-Poulenc Specialty Chemicals Co. | Anionic sulfonated thickening composition |
-
2000
- 2000-03-31 WO PCT/EP2000/002884 patent/WO2000060023A2/en active IP Right Grant
- 2000-03-31 RU RU2001130049/03A patent/RU2224779C2/en not_active IP Right Cessation
- 2000-03-31 MX MXPA01010220A patent/MXPA01010220A/en active IP Right Grant
- 2000-03-31 DE DE60038168T patent/DE60038168T2/en not_active Expired - Lifetime
- 2000-03-31 AT AT00925148T patent/ATE387482T1/en not_active IP Right Cessation
- 2000-03-31 EP EP00925148A patent/EP1169405B1/en not_active Expired - Lifetime
- 2000-03-31 BR BRPI0009559-1A patent/BR0009559B1/en not_active IP Right Cessation
- 2000-03-31 AU AU43970/00A patent/AU767777B2/en not_active Ceased
- 2000-03-31 DK DK00925148T patent/DK1169405T3/en active
- 2000-04-07 CO CO00025853A patent/CO5231219A1/en active IP Right Grant
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