EP3601476A4 - Composition including beta-glucan and enzyme and reaction products thereof - Google Patents
Composition including beta-glucan and enzyme and reaction products thereof Download PDFInfo
- Publication number
- EP3601476A4 EP3601476A4 EP18777104.3A EP18777104A EP3601476A4 EP 3601476 A4 EP3601476 A4 EP 3601476A4 EP 18777104 A EP18777104 A EP 18777104A EP 3601476 A4 EP3601476 A4 EP 3601476A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- glucan
- enzyme
- reaction products
- composition including
- including beta
- 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.)
- Withdrawn
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
- C09K8/62—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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
-
- 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
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/588—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762477657P | 2017-03-28 | 2017-03-28 | |
PCT/US2018/024468 WO2018183259A1 (en) | 2017-03-28 | 2018-03-27 | Composition including beta-glucan and enzyme and reaction products thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3601476A1 EP3601476A1 (en) | 2020-02-05 |
EP3601476A4 true EP3601476A4 (en) | 2021-01-06 |
Family
ID=63676913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18777104.3A Withdrawn EP3601476A4 (en) | 2017-03-28 | 2018-03-27 | Composition including beta-glucan and enzyme and reaction products thereof |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3601476A4 (en) |
WO (1) | WO2018183259A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4326037A (en) * | 1979-11-01 | 1982-04-20 | The United States Of America As Represented By The United States Department Of Energy | Enzymatic method for improving the injectability of polysaccharides |
WO2008052759A1 (en) * | 2006-11-03 | 2008-05-08 | Eni S.P.A. | Process for the enzymatic removal of filter-cakes produced by water-based drilling and completion fluids |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2412389A (en) * | 2004-03-27 | 2005-09-28 | Cleansorb Ltd | Process for treating underground formations |
US7648946B2 (en) * | 2004-11-17 | 2010-01-19 | Halliburton Energy Services, Inc. | Methods of degrading filter cakes in subterranean formations |
KR101540230B1 (en) * | 2007-04-26 | 2015-07-29 | 가부시기가이샤하야시바라 | BRANCHED α-GLUCAN, α-GLUCOSYLTRANSFERASE PRODUCING THE SAME, METHOD FOR PRODUCING THE SAME AND USE THEREOF |
EP2900790A1 (en) * | 2012-09-27 | 2015-08-05 | Wintershall Holding GmbH | Flowable composition, method for producing the flowable composition and method for fracing a subterranean formation using the flowable composition |
US9932513B2 (en) * | 2013-01-23 | 2018-04-03 | Haliburton Energy Services, Inc. | Treatment fluids comprising stabilized heteropolysaccharides and related methods |
WO2014154814A1 (en) * | 2013-03-28 | 2014-10-02 | Basf Se | Method for blocking permeable zones in oil and natural gas bearing subterranean formations by in-situ xyloglucan degalactosylation |
US10035948B2 (en) * | 2014-11-06 | 2018-07-31 | Halliburton Energy Services, Inc. | Composition including a viscosifier and a hydrophobically-modified polymer that includes a nitrogen-containing repeating unit for treatment of subterranean formations |
CN107922824B (en) * | 2015-07-17 | 2020-06-23 | 沙特阿拉伯石油公司 | Intelligent water flooding process for enhanced hydrocarbon recovery |
-
2018
- 2018-03-27 EP EP18777104.3A patent/EP3601476A4/en not_active Withdrawn
- 2018-03-27 WO PCT/US2018/024468 patent/WO2018183259A1/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4326037A (en) * | 1979-11-01 | 1982-04-20 | The United States Of America As Represented By The United States Department Of Energy | Enzymatic method for improving the injectability of polysaccharides |
WO2008052759A1 (en) * | 2006-11-03 | 2008-05-08 | Eni S.P.A. | Process for the enzymatic removal of filter-cakes produced by water-based drilling and completion fluids |
Non-Patent Citations (3)
Title |
---|
ALBRECHT A ET AL: "Acetylation of a @b-1,6-branched @b-1,3-glucan, yielding Schizophyllan-acetate", CARBOHYDRATE POLYMERS, APPLIED SCIENCE PUBLISHERS, LTD. BARKING, GB, vol. 24, no. 3, 1 January 1994 (1994-01-01), pages 193 - 197, XP024147579, ISSN: 0144-8617, [retrieved on 19940101], DOI: 10.1016/0144-8617(94)90130-9 * |
JACOB K AGBENORHEVI ET AL: "Rheological and microstructural investigation of oat -glucan isolates varying in molecular weight", ACTA PAEDIATRICA. SUPPLEMENT, ELSEVIER BV, NL, vol. 49, no. 3, 18 May 2011 (2011-05-18), pages 369 - 377, XP028234001, ISSN: 0141-8130, [retrieved on 20110526], DOI: 10.1016/J.IJBIOMAC.2011.05.014 * |
See also references of WO2018183259A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP3601476A1 (en) | 2020-02-05 |
WO2018183259A1 (en) | 2018-10-04 |
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Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20191016 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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AX | Request for extension of the european patent |
Extension state: BA ME |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20201207 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: E21B 43/263 20060101ALI20201202BHEP Ipc: C09K 8/68 20060101AFI20201202BHEP |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20210722 |