ATE44581T1 - Verfahren zum thermischen stabilisieren von waessrigen polysaccharidloesungen. - Google Patents
Verfahren zum thermischen stabilisieren von waessrigen polysaccharidloesungen.Info
- Publication number
- ATE44581T1 ATE44581T1 AT85402354T AT85402354T ATE44581T1 AT E44581 T1 ATE44581 T1 AT E44581T1 AT 85402354 T AT85402354 T AT 85402354T AT 85402354 T AT85402354 T AT 85402354T AT E44581 T1 ATE44581 T1 AT E44581T1
- Authority
- AT
- Austria
- Prior art keywords
- thermal stabilization
- aqueous polysaccharide
- polysaccharide solutions
- solution
- solutions
- Prior art date
Links
- 150000004676 glycans Chemical class 0.000 title abstract 3
- 229920001282 polysaccharide Polymers 0.000 title abstract 3
- 239000005017 polysaccharide Substances 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 230000006641 stabilisation Effects 0.000 title 1
- 238000011105 stabilization Methods 0.000 title 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- 239000011780 sodium chloride Substances 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- 229940123973 Oxygen scavenger Drugs 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 238000010943 off-gassing Methods 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 230000003019 stabilising effect Effects 0.000 abstract 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 |
|---|---|---|---|
| FR8418506A FR2574082B1 (fr) | 1984-12-05 | 1984-12-05 | Procede de stabilisation thermique de solutions aqueuses de polysaccharides |
| EP85402354A EP0187074B1 (fr) | 1984-12-05 | 1985-11-29 | Procédé de stabilisation thermique de solutions aqueuses de polysaccharides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE44581T1 true ATE44581T1 (de) | 1989-07-15 |
Family
ID=9310234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT85402354T ATE44581T1 (de) | 1984-12-05 | 1985-11-29 | Verfahren zum thermischen stabilisieren von waessrigen polysaccharidloesungen. |
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 |
| CA1247607A (fr) | 1988-12-28 |
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