CA1247607A - Procede de stabilisation thermique de solutions aqueuses de polysaccharides - Google Patents
Procede de stabilisation thermique de solutions aqueuses de polysaccharidesInfo
- Publication number
- CA1247607A CA1247607A CA000496837A CA496837A CA1247607A CA 1247607 A CA1247607 A CA 1247607A CA 000496837 A CA000496837 A CA 000496837A CA 496837 A CA496837 A CA 496837A CA 1247607 A CA1247607 A CA 1247607A
- Authority
- CA
- Canada
- Prior art keywords
- solution
- polysaccharide
- saline
- polysaccharides
- aqueous
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000005017 polysaccharide Substances 0.000 title claims abstract description 25
- 229920001282 polysaccharide Polymers 0.000 title claims abstract description 24
- 150000004676 glycans Chemical class 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 12
- 239000007864 aqueous solution Substances 0.000 title claims abstract description 7
- 230000006641 stabilisation Effects 0.000 title description 3
- 238000011105 stabilization Methods 0.000 title description 3
- 239000000243 solution Substances 0.000 claims abstract description 45
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 22
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 17
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 12
- 239000011780 sodium chloride Substances 0.000 claims abstract description 9
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 8
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 26
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical group O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 7
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 6
- 239000003208 petroleum Substances 0.000 claims description 5
- 229920001285 xanthan gum Polymers 0.000 claims description 5
- 229940082509 xanthan gum Drugs 0.000 claims description 5
- 235000010493 xanthan gum Nutrition 0.000 claims description 5
- 239000000230 xanthan gum Substances 0.000 claims description 5
- 238000007872 degassing Methods 0.000 claims description 4
- 239000003139 biocide Substances 0.000 claims description 3
- 150000003841 chloride salts Chemical class 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 2
- 230000003115 biocidal effect Effects 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 229940123973 Oxygen scavenger Drugs 0.000 abstract description 5
- 238000010943 off-gassing Methods 0.000 abstract 1
- 230000003019 stabilising effect Effects 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 description 8
- 229920001222 biopolymer Polymers 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 241000589634 Xanthomonas Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 150000001720 carbohydrates Chemical class 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- AEMOLEFTQBMNLQ-AQKNRBDQSA-N D-glucopyranuronic acid Chemical compound OC1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@H]1O AEMOLEFTQBMNLQ-AQKNRBDQSA-N 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241001558929 Sclerotium <basidiomycota> Species 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- -1 saline polysaccharides Chemical class 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 235000010265 sodium sulphite Nutrition 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical group CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 1
- 241000589158 Agrobacterium Species 0.000 description 1
- 241000588986 Alcaligenes Species 0.000 description 1
- 241000186063 Arthrobacter Species 0.000 description 1
- 241000589151 Azotobacter Species 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 description 1
- 241000588698 Erwinia Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910004809 Na2 SO4 Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- LCTONWCANYUPML-UHFFFAOYSA-M Pyruvate Chemical compound CC(=O)C([O-])=O LCTONWCANYUPML-UHFFFAOYSA-M 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 241000589636 Xanthomonas campestris Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- XEVRDFDBXJMZFG-UHFFFAOYSA-N carbonyl dihydrazine Chemical compound NNC(=O)NN XEVRDFDBXJMZFG-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-N dithionous acid Chemical class OS(=O)S(O)=O GRWZHXKQBITJKP-UHFFFAOYSA-N 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 229940097042 glucuronate Drugs 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000004694 iodide salts Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000004804 polysaccharides Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 1
- UOULCEYHQNCFFH-UHFFFAOYSA-M sodium;hydroxymethanesulfonate Chemical compound [Na+].OCS([O-])(=O)=O UOULCEYHQNCFFH-UHFFFAOYSA-M 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 150000003585 thioureas Chemical class 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/84—Compositions based on water or polar solvents
- C09K8/86—Compositions based on water or polar solvents containing organic compounds
- C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/90—Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
- C09K8/905—Biopolymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0033—Xanthan, i.e. D-glucose, D-mannose and D-glucuronic acid units, saubstituted with acetate and pyruvate, with a main chain of (beta-1,4)-D-glucose units; Derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Emergency Medicine (AREA)
- Biochemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Jellies, Jams, And Syrups (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR84,18506 | 1984-12-05 | ||
FR8418506A FR2574082B1 (fr) | 1984-12-05 | 1984-12-05 | Procede de stabilisation thermique de solutions aqueuses de polysaccharides |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1247607A true CA1247607A (fr) | 1988-12-28 |
Family
ID=9310234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000496837A Expired CA1247607A (fr) | 1984-12-05 | 1985-12-04 | Procede de stabilisation thermique de solutions aqueuses de polysaccharides |
Country Status (9)
Country | Link |
---|---|
US (1) | US4898819A (en, 2012) |
EP (1) | EP0187074B1 (en, 2012) |
AT (1) | ATE44581T1 (en, 2012) |
BR (1) | BR8506040A (en, 2012) |
CA (1) | CA1247607A (en, 2012) |
DE (1) | DE3571478D1 (en, 2012) |
FR (1) | FR2574082B1 (en, 2012) |
IN (1) | IN166054B (en, 2012) |
NO (1) | NO854881L (en, 2012) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0196199A3 (en) * | 1985-03-25 | 1988-09-07 | Pfizer Inc. | Stabilizing polysaccharide solutions for tertiary oil recovery at elevated temperature |
FR2634219B1 (fr) * | 1988-07-13 | 1992-04-24 | Rhone Poulenc Chimie | Nouvel heteropolysaccharide bm07, procede permettant son obtention et son application dans divers types d'industries |
GB8828795D0 (en) * | 1988-12-09 | 1989-01-18 | Univ Nottingham | Improvements in/relating to polysaccharide systems |
US8662171B2 (en) * | 2010-03-25 | 2014-03-04 | Montgomery Chemicals, Llc | Method and composition for oil enhanced recovery |
CA2832230C (en) * | 2011-04-05 | 2019-11-12 | Montgomery Chemicals Llc | Method and compositions for enhanced oil recovery |
CN108641685B (zh) * | 2018-05-30 | 2020-11-27 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | 一种钻井液用包合型长效除氧剂及制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4352679A (en) * | 1981-04-10 | 1982-10-05 | Fmc Corporation | Deoxygenating equipment and method of operation |
US4425246A (en) * | 1981-09-18 | 1984-01-10 | Exxon Research & Engineering Co. | Oil recovery using stabilized saline heat-treated heteropolysaccharide solutions |
EP0106666B1 (en) * | 1982-10-15 | 1987-03-25 | Pfizer Inc. | Stabilizing polysaccharide solutions for tertiary oil recovery at elevated temperature with dithionite |
US4458753A (en) * | 1982-10-15 | 1984-07-10 | Pfizer Inc. | Stabilizing polysaccharide solutions for tertiary oil recovery at elevated temperature with borohydride |
-
1984
- 1984-12-05 FR FR8418506A patent/FR2574082B1/fr not_active Expired
-
1985
- 1985-11-29 DE DE8585402354T patent/DE3571478D1/de not_active Expired
- 1985-11-29 EP EP85402354A patent/EP0187074B1/fr not_active Expired
- 1985-11-29 AT AT85402354T patent/ATE44581T1/de active
- 1985-12-03 BR BR8506040A patent/BR8506040A/pt unknown
- 1985-12-03 IN IN971/MAS/85A patent/IN166054B/en unknown
- 1985-12-04 NO NO854881A patent/NO854881L/no unknown
- 1985-12-04 CA CA000496837A patent/CA1247607A/fr not_active Expired
- 1985-12-05 US US06/804,862 patent/US4898819A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0187074B1 (fr) | 1989-07-12 |
FR2574082B1 (fr) | 1987-01-16 |
IN166054B (en, 2012) | 1990-03-03 |
EP0187074A1 (fr) | 1986-07-09 |
BR8506040A (pt) | 1986-08-19 |
US4898819A (en) | 1990-02-06 |
FR2574082A1 (fr) | 1986-06-06 |
NO854881L (no) | 1986-06-06 |
DE3571478D1 (en) | 1989-08-17 |
ATE44581T1 (de) | 1989-07-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2265688B1 (fr) | Composition viscoelastique a stabilite amelioree | |
LU80512A1 (fr) | Procede de production d'un bouillon de fermentation contenant du xanthane et depourvu de pyruvate et son application a l'extraction du petrole | |
EP1446459B1 (fr) | Methode de forage de puits et fluide de forage | |
CA1175814A (fr) | Recuperation assistee du petrole | |
NO793988L (no) | Broennbehandlingsmateriale og fremgangsmaate ved anvendelse av dette. | |
NO158354B (no) | Fremgangsmaate for fortrengning av et fluid gjennom en permeabel undergrunnsformasjon. | |
EP0215692B1 (fr) | Procédé de préparation d'un polysaccharide modifié | |
EP0241340B1 (fr) | Compositions aqueuses stabilisées de polymères hydrosolubles | |
CN103384711B (zh) | 由具有高油藏温度的矿物油藏中开采矿物油的方法 | |
US4416990A (en) | Enzymatic clarification process for improving the injectivity and filtrabhility of xanthan gums | |
CA1247607A (fr) | Procede de stabilisation thermique de solutions aqueuses de polysaccharides | |
EP0140724B1 (fr) | Procédé de traitement d'un hétéropolysaccharide | |
CA1115222A (fr) | Utilisation de mouts de fermentation pour la recuperation assistee du petrole | |
EP0140725B1 (fr) | Procédé de traitement d'une solution de polysaccharide et son utilisation | |
SU1519531A3 (ru) | Способ восстановлени проницаемости скважины или вблизи нее в жидкостных коммуникаци х подземной формации | |
CA2667005A1 (en) | Process for the enzymatic removal of filter-cakes produced by water-based drilling and completion fluids | |
EP0998540B1 (fr) | Fluides utilisables dans l'exploitation du petrole comprenant de la gomme xanthane desacetylee et au moins un compose augmentant la force ionique du milieu | |
CA1324776C (fr) | Procede de purification d'un mout de polysaccharide dans le but d'en accroitre la filtrabilite et utilisation du mout purifie en recuperation assistee du petrole | |
NO812667L (no) | Behandling av fortykkede vandige systemer. | |
NO782072L (no) | Vannfortykningssystemer. | |
WO2008066918A1 (en) | Scale squeeze treatment methods and systems | |
NO150573B (no) | Fremgangsmaate ved oljeutvinning ved injeksjon av en stabilisert vandig opploesning av polysaccharidpolymer | |
EP0373031A1 (fr) | Homopolysaccharide et solution le contenant, leur procédé de préparation, ainsi que leur procédé d'utilisation dans la récupération assistée du pétrole | |
FR2566457A1 (fr) | Compositions acides gelifiees ameliorees, et procedes d'acidification de formations souterraines | |
MXPA00000600A (en) | Fluids useful for oil mining comprising de-acetylated xanthane gum and at least one compound increasing the medium ionic strength |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |