NO921026L - Fremgangsmaate for brytning av metall-tverrbundede polymerer - Google Patents
Fremgangsmaate for brytning av metall-tverrbundede polymererInfo
- Publication number
- NO921026L NO921026L NO92921026A NO921026A NO921026L NO 921026 L NO921026 L NO 921026L NO 92921026 A NO92921026 A NO 92921026A NO 921026 A NO921026 A NO 921026A NO 921026 L NO921026 L NO 921026L
- Authority
- NO
- Norway
- Prior art keywords
- metal
- replacement
- procedure
- chelator
- gel
- Prior art date
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
- C09K8/887—Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/175—Amines; Quaternary ammonium compounds containing COOH-groups; Esters or salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/315—Compounds containing carbon-to-nitrogen triple bonds
-
- 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
- C09K8/02—Well-drilling compositions
- C09K8/04—Aqueous well-drilling compositions
- C09K8/06—Clay-free compositions
- C09K8/12—Clay-free compositions containing synthetic organic macromolecular compounds or their precursors
-
- 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
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/66—Compositions based on water or polar solvents
- C09K8/68—Compositions based on water or polar solvents containing organic compounds
- C09K8/685—Compositions based on water or polar solvents containing organic compounds containing cross-linking agents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67104891A | 1991-03-18 | 1991-03-18 | |
US77443691A | 1991-10-10 | 1991-10-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO921026D0 NO921026D0 (no) | 1992-03-17 |
NO921026L true NO921026L (no) | 1992-09-21 |
Family
ID=27100457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO92921026A NO921026L (no) | 1991-03-18 | 1992-03-17 | Fremgangsmaate for brytning av metall-tverrbundede polymerer |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0505169B1 (de) |
DE (1) | DE69200786T2 (de) |
DK (1) | DK0505169T3 (de) |
NO (1) | NO921026L (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9411269D0 (en) * | 1994-06-06 | 1994-07-27 | Archaeus Tech Group | Delayed acid for gel breaking |
US6100222A (en) * | 1996-01-16 | 2000-08-08 | Great Lakes Chemical Corporation | High density, viscosified, aqueous compositions having superior stability under stress conditions |
WO1997026310A1 (en) * | 1996-01-17 | 1997-07-24 | Great Lakes Chemical Corporation | Viscosification of high density brines |
US6007702A (en) * | 1998-05-22 | 1999-12-28 | Texaco Inc. | Process for removing water from heavy crude oil |
DE102005039970A1 (de) * | 2005-08-23 | 2007-03-08 | Basf Ag | Verfahren zur Herstellung niedrigviskoser Polymergele |
WO2015061786A2 (en) * | 2013-10-25 | 2015-04-30 | Conway Andrew Bryce | Method for remediation of subterranean-formed metal-polymer complexes using a metal complexing agent |
AU2015247994B2 (en) | 2014-04-14 | 2018-03-29 | Flex-Chem Holding Company, Llc | Stimulation of wells in nano-darcy shale formations |
US11299972B2 (en) | 2019-10-10 | 2022-04-12 | Flex-Chem Holding Company, Llc | Method for remediation of subterranean-formed metal-polymer complexes using peracetic acid |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3926258A (en) * | 1972-12-27 | 1975-12-16 | Phillips Petroleum Co | Method for reducing formation permeability with gelled polymer solution having delayed gel time |
GB2158487B (en) * | 1984-05-11 | 1987-10-28 | Dow Chemical Co | Gelled acid composition for acidizing subterranean formations |
IT1216740B (it) * | 1988-02-05 | 1990-03-08 | Agip S P A Eniricerche S P A | Procedimento per rimuovere gelpolimerici in un pozzo petrolifero. |
US4968442A (en) * | 1989-03-30 | 1990-11-06 | Marathon Oil Company | Gel composition and method of treatment |
-
1992
- 1992-03-17 NO NO92921026A patent/NO921026L/no unknown
- 1992-03-18 DE DE1992600786 patent/DE69200786T2/de not_active Expired - Fee Related
- 1992-03-18 DK DK92302338T patent/DK0505169T3/da active
- 1992-03-18 EP EP19920302338 patent/EP0505169B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69200786D1 (de) | 1995-01-19 |
DE69200786T2 (de) | 1995-04-13 |
EP0505169B1 (de) | 1994-12-07 |
DK0505169T3 (da) | 1995-03-13 |
NO921026D0 (no) | 1992-03-17 |
EP0505169A1 (de) | 1992-09-23 |
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