DE3571478D1 - Thermal stabilisation process for aqueous polysaccharide solutions - Google Patents
Thermal stabilisation process for aqueous polysaccharide solutionsInfo
- Publication number
- DE3571478D1 DE3571478D1 DE8585402354T DE3571478T DE3571478D1 DE 3571478 D1 DE3571478 D1 DE 3571478D1 DE 8585402354 T DE8585402354 T DE 8585402354T DE 3571478 T DE3571478 T DE 3571478T DE 3571478 D1 DE3571478 D1 DE 3571478D1
- Authority
- DE
- Germany
- Prior art keywords
- aqueous polysaccharide
- polysaccharide solutions
- stabilisation process
- thermal stabilisation
- solution
- 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
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)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Jellies, Jams, And Syrups (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8418506A FR2574082B1 (fr) | 1984-12-05 | 1984-12-05 | Procede de stabilisation thermique de solutions aqueuses de polysaccharides |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3571478D1 true DE3571478D1 (en) | 1989-08-17 |
Family
ID=9310234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585402354T Expired DE3571478D1 (en) | 1984-12-05 | 1985-11-29 | Thermal stabilisation process for aqueous polysaccharide solutions |
Country Status (9)
Country | Link |
---|---|
US (1) | US4898819A (de) |
EP (1) | EP0187074B1 (de) |
AT (1) | ATE44581T1 (de) |
BR (1) | BR8506040A (de) |
CA (1) | CA1247607A (de) |
DE (1) | DE3571478D1 (de) |
FR (1) | FR2574082B1 (de) |
IN (1) | IN166054B (de) |
NO (1) | NO854881L (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0196199A3 (de) * | 1985-03-25 | 1988-09-07 | Pfizer Inc. | Stabilisierung von Polysaccharidlösungen bei der tertiären Ölgewinnung bei hoher Temperatur |
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 |
CA1210233A (en) * | 1982-10-15 | 1986-08-26 | Judson C. Philips | 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 AT AT85402354T patent/ATE44581T1/de active
- 1985-11-29 DE DE8585402354T patent/DE3571478D1/de not_active Expired
- 1985-11-29 EP EP85402354A patent/EP0187074B1/de not_active Expired
- 1985-12-03 IN IN971/MAS/85A patent/IN166054B/en unknown
- 1985-12-03 BR BR8506040A patent/BR8506040A/pt unknown
- 1985-12-04 CA CA000496837A patent/CA1247607A/fr not_active Expired
- 1985-12-04 NO NO854881A patent/NO854881L/no unknown
- 1985-12-05 US US06/804,862 patent/US4898819A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4898819A (en) | 1990-02-06 |
BR8506040A (pt) | 1986-08-19 |
IN166054B (de) | 1990-03-03 |
FR2574082B1 (fr) | 1987-01-16 |
ATE44581T1 (de) | 1989-07-15 |
CA1247607A (fr) | 1988-12-28 |
FR2574082A1 (fr) | 1986-06-06 |
EP0187074A1 (de) | 1986-07-09 |
NO854881L (no) | 1986-06-06 |
EP0187074B1 (de) | 1989-07-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |