NO328817B1 - Fremgangsmater og materialer for nedbrytning av xantan samt blandet mikrobekultur og xantanaseenzymkompleks til formalet - Google Patents
Fremgangsmater og materialer for nedbrytning av xantan samt blandet mikrobekultur og xantanaseenzymkompleks til formalet Download PDFInfo
- Publication number
- NO328817B1 NO328817B1 NO19994319A NO994319A NO328817B1 NO 328817 B1 NO328817 B1 NO 328817B1 NO 19994319 A NO19994319 A NO 19994319A NO 994319 A NO994319 A NO 994319A NO 328817 B1 NO328817 B1 NO 328817B1
- Authority
- NO
- Norway
- Prior art keywords
- xanthan
- borehole
- enzyme complex
- liquid
- xanthanase
- Prior art date
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- 238000004062 sedimentation Methods 0.000 description 1
- 229910021646 siderite Inorganic materials 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/38—Polysaccharides or derivatives thereof
-
- 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
- C09K8/08—Clay-free compositions containing natural organic compounds, e.g. polysaccharides, or derivatives thereof
-
- 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
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/88—Lyases (4.)
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
- C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
- C12Y302/01004—Cellulase (3.2.1.4), i.e. endo-1,4-beta-glucanase
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y402/00—Carbon-oxygen lyases (4.2)
- C12Y402/02—Carbon-oxygen lyases (4.2) acting on polysaccharides (4.2.2)
- C12Y402/02012—Xanthan lyase (4.2.2.12)
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/921—Specified breaker component for emulsion or gel
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Zoology (AREA)
- Materials Engineering (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Genetics & Genomics (AREA)
- Wood Science & Technology (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Ceramic Engineering (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Medicinal Chemistry (AREA)
- Biomedical Technology (AREA)
- Inorganic Chemistry (AREA)
- Molecular Biology (AREA)
- Structural Engineering (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Processing Of Solid Wastes (AREA)
- Enzymes And Modification Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/813,064 US6110875A (en) | 1997-03-07 | 1997-03-07 | Methods and materials for degrading xanthan |
| PCT/US1998/004385 WO1998039397A1 (en) | 1997-03-07 | 1998-03-06 | Methods and materials for degrading xanthan |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO994319D0 NO994319D0 (no) | 1999-09-06 |
| NO994319L NO994319L (no) | 1999-11-05 |
| NO328817B1 true NO328817B1 (no) | 2010-05-18 |
Family
ID=25211365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19994319A NO328817B1 (no) | 1997-03-07 | 1999-09-06 | Fremgangsmater og materialer for nedbrytning av xantan samt blandet mikrobekultur og xantanaseenzymkompleks til formalet |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6110875A (da) |
| EP (1) | EP0975708B1 (da) |
| AU (1) | AU6688898A (da) |
| CA (1) | CA2283157C (da) |
| DE (2) | DE975708T1 (da) |
| DK (1) | DK0975708T3 (da) |
| NO (1) | NO328817B1 (da) |
| WO (1) | WO1998039397A1 (da) |
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| US4928763A (en) * | 1989-03-31 | 1990-05-29 | Marathon Oil Company | Method of treating a permeable formation |
| US5032297A (en) * | 1989-05-19 | 1991-07-16 | Nalco Chemical Company | Enzymatically degradable fluid loss additive |
| US5103905A (en) * | 1990-05-03 | 1992-04-14 | Dowell Schlumberger Incorporated | Method of optimizing the conductivity of a propped fractured formation |
| WO1991018974A1 (en) * | 1990-05-29 | 1991-12-12 | Chemgen Corporation | HEMICELLULASE ACTIVE AT EXTREMES OF pH AND TEMPERATURE AND THE MEANS FOR THE PRODUCTION THEREOF |
| US5165477A (en) * | 1990-12-21 | 1992-11-24 | Phillips Petroleum Company | Enzymatic decomposition of drilling mud |
| US5126051A (en) * | 1990-12-21 | 1992-06-30 | Phillips Petroleum Company | Enzymatic decomposition of drilling mud |
| US5067566A (en) * | 1991-01-14 | 1991-11-26 | Bj Services Company | Low temperature degradation of galactomannans |
| US5226479A (en) * | 1992-01-09 | 1993-07-13 | The Western Company Of North America | Fracturing fluid having a delayed enzyme breaker |
| US5247995A (en) * | 1992-02-26 | 1993-09-28 | Bj Services Company | Method of dissolving organic filter cake obtained from polysaccharide based fluids used in production operations and completions of oil and gas wells |
| US5224544A (en) * | 1992-02-26 | 1993-07-06 | Bj Services Company | Enzyme complex used for breaking crosslinked cellulose based blocking gels at low to moderate temperatures |
| US5201370A (en) * | 1992-02-26 | 1993-04-13 | Bj Services Company | Enzyme breaker for galactomannan based fracturing fluid |
| US5447197A (en) * | 1994-01-25 | 1995-09-05 | Bj Services Company | Storable liquid cementitious slurries for cementing oil and gas wells |
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| US5441109A (en) * | 1994-04-19 | 1995-08-15 | The Western Company Of North America | Enzyme breakers for breaking fracturing fluids and methods of making and use thereof |
| US5562160A (en) * | 1994-08-08 | 1996-10-08 | B. J. Services Company | Fracturing fluid treatment design to optimize fluid rheology and proppant pack conductivity |
| US5566759A (en) * | 1995-01-09 | 1996-10-22 | Bj Services Co. | Method of degrading cellulose-containing fluids during completions, workover and fracturing operations of oil and gas wells |
-
1997
- 1997-03-07 US US08/813,064 patent/US6110875A/en not_active Expired - Lifetime
-
1998
- 1998-03-06 DK DK98908993T patent/DK0975708T3/da active
- 1998-03-06 CA CA002283157A patent/CA2283157C/en not_active Expired - Lifetime
- 1998-03-06 EP EP98908993A patent/EP0975708B1/en not_active Expired - Lifetime
- 1998-03-06 AU AU66888/98A patent/AU6688898A/en not_active Abandoned
- 1998-03-06 DE DE0975708T patent/DE975708T1/de active Pending
- 1998-03-06 WO PCT/US1998/004385 patent/WO1998039397A1/en active IP Right Grant
- 1998-03-06 DE DE69828961T patent/DE69828961T2/de not_active Expired - Fee Related
-
1999
- 1999-09-06 NO NO19994319A patent/NO328817B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0975708A4 (en) | 2002-10-23 |
| AU6688898A (en) | 1998-09-22 |
| NO994319L (no) | 1999-11-05 |
| CA2283157A1 (en) | 1998-09-11 |
| US6110875A (en) | 2000-08-29 |
| EP0975708B1 (en) | 2005-02-09 |
| DE975708T1 (de) | 2000-06-29 |
| DE69828961D1 (de) | 2005-03-17 |
| DE69828961T2 (de) | 2006-01-19 |
| NO994319D0 (no) | 1999-09-06 |
| CA2283157C (en) | 2009-12-15 |
| DK0975708T3 (da) | 2005-05-23 |
| EP0975708A1 (en) | 2000-02-02 |
| WO1998039397A1 (en) | 1998-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK1K | Patent expired |