BRPI0803486A2 - uso de polietilenoiminas substituÍdas como inibidores de hidratos de gÁs com biodegradabilidade melhorada - Google Patents
uso de polietilenoiminas substituÍdas como inibidores de hidratos de gÁs com biodegradabilidade melhoradaInfo
- Publication number
- BRPI0803486A2 BRPI0803486A2 BRPI0803486-9A BRPI0803486A BRPI0803486A2 BR PI0803486 A2 BRPI0803486 A2 BR PI0803486A2 BR PI0803486 A BRPI0803486 A BR PI0803486A BR PI0803486 A2 BRPI0803486 A2 BR PI0803486A2
- Authority
- BR
- Brazil
- Prior art keywords
- gas hydrates
- inhibitors
- improved biodegradability
- substituted
- alkyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/0233—Polyamines derived from (poly)oxazolines, (poly)oxazines or having pendant acyl groups
-
- 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
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
-
- 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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/22—Hydrates inhibition by using well treatment fluids containing inhibitors of hydrate formers
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)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Abstract
USO DE POLIETILENOIMINAS SUBSTITUÍDAS COMO INIBIDORES DE HIDRATOS DE GÁS COM BIODEGRADABILIDADE MELHORADA. A presente invenção refere-se ao uso de polietilenoiminas substituidas contendo as unidades estruturais de fórmula (1), onde R1 é H, C~ 1~-C~ 30~-alquila, C~ 1~-C~ 30~-alquenila ou C~ 7~-C~ 30~-alquilariía R2, R3, R4, R5 são cada um, independentemente, H ou C~ 1~-C~ 6~-alquiía, em quantidades de cerca de 0,01 a 2% em peso para prevenir a formação de hidratos de gás em fases aquosas que estão em contato com uma fase orgânica gasosa, líquida ou sólida.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007037015A DE102007037015B3 (de) | 2007-08-06 | 2007-08-06 | Verwendung von substituierten Polyethyleniminen als Gashydratinhibitoren mit verbesserter biologischer Abbaubarkeit |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0803486A2 true BRPI0803486A2 (pt) | 2009-04-22 |
Family
ID=39768208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0803486-9A BRPI0803486A2 (pt) | 2007-08-06 | 2008-08-06 | uso de polietilenoiminas substituÍdas como inibidores de hidratos de gÁs com biodegradabilidade melhorada |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090054268A1 (pt) |
EP (1) | EP2031035A1 (pt) |
BR (1) | BRPI0803486A2 (pt) |
DE (1) | DE102007037015B3 (pt) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005006421A1 (de) * | 2005-02-12 | 2006-08-24 | Clariant Produkte (Deutschland) Gmbh | Polymere und ihre Herstellung und Verwendung als Gashydratinhibitoren |
DE102007037016B4 (de) | 2007-08-06 | 2011-06-30 | Clariant International Limited | Verwendung von 1-Alkyl-5-oxo-pyrrolidin-3-carbonsäureestern als Gashydratinhibitoren mit verbesserter biologischer Abbaubarkeit |
DE102007037017A1 (de) | 2007-08-06 | 2009-02-19 | Clariant International Ltd. | 1-Alkyl-5-oxo-pyrrolidin-3-carbonsäureester mit verbesserter biologischer Abbaubarkeit |
DE102008003826B4 (de) * | 2008-01-10 | 2010-07-22 | Clariant International Limited | Verwendung von Salzen als Korrosionsinhibitoren mit erhöhter biologischer Abbaubarkeit und verminderter Toxizität und diese Salze |
DE102008003828B3 (de) * | 2008-01-10 | 2009-09-03 | Clariant International Limited | Verwendung von Salzen als Korrosionsinhibitoren mit erhöhter biologischer Abbaubarkeit und verminderter Toxizität und diese Salze |
CN101817909B (zh) * | 2010-03-19 | 2012-02-08 | 西南石油大学 | 水合物抑制剂聚合物及制备方法 |
US8980798B2 (en) | 2010-03-31 | 2015-03-17 | Baker Hughes Incorporated | Precipitation prevention in produced water containing hydrate inhibitors injected downhole |
US9834720B2 (en) | 2014-12-31 | 2017-12-05 | Ecolab Usa Inc. | Low dose gas hydrate inhibitor compositions |
BR112018017253B1 (pt) * | 2016-02-26 | 2022-03-29 | Championx Usa Inc | Método para inibir formação de hidrato em um fluido que compreende água e um gás. |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5244878A (en) | 1987-12-30 | 1993-09-14 | Institut Francais Du Petrole | Process for delaying the formation and/or reducing the agglomeration tendency of hydrates |
US4933463A (en) * | 1989-05-08 | 1990-06-12 | Gaf Chemicals Corporation | Polymerizable pyrrolidonyl oxazoline monomers, homopolymers and copolymers |
WO1993025798A1 (en) | 1992-06-11 | 1993-12-23 | Shell Internationale Research Maatschappij B.V. | A method for inhibiting gas hydrate formation |
US5639925A (en) * | 1992-11-20 | 1997-06-17 | Colorado School Of Mines | Additives and method for controlling clathrate hydrates in fluid systems |
US5432292A (en) | 1992-11-20 | 1995-07-11 | Colorado School Of Mines | Method for controlling clathrate hydrates in fluid systems |
US5583273A (en) * | 1994-09-15 | 1996-12-10 | Exxon Production Research Company | Method for inhibiting hydrate formation |
EP0896123B1 (fr) | 1997-08-05 | 2005-07-27 | Institut Français du Pétrole | Procédé pour ralentir la croissance et/ou l'agglomération et éventuellement retarder la formation d'hydrates dans un effluent de production |
BR0313973B1 (pt) * | 2002-09-03 | 2012-05-02 | método e composição para inibir a formação de hidratos de hidrocarboneto, e, mistura inibidora de hidrato. | |
DE10259815A1 (de) * | 2002-12-19 | 2004-07-01 | Basf Ag | Polymere enthaltend Pyrrolidon-4-carbonsäuregruppen und deren Verwendung |
DE102005054038A1 (de) * | 2005-11-12 | 2007-05-24 | Clariant Produkte (Deutschland) Gmbh | Pyroglutaminsäureester mit verbesserter biologischer Abbaubarkeit |
DE102005054037A1 (de) * | 2005-11-12 | 2007-05-16 | Clariant Produkte Deutschland | Verwendung von Pyroglutaminsäureestern als Gashydratinhibitoren mit verbesserter biologischer Abbaubarkeit |
-
2007
- 2007-08-06 DE DE102007037015A patent/DE102007037015B3/de not_active Expired - Fee Related
-
2008
- 2008-08-01 US US12/221,300 patent/US20090054268A1/en not_active Abandoned
- 2008-08-01 EP EP08013826A patent/EP2031035A1/de not_active Withdrawn
- 2008-08-06 BR BRPI0803486-9A patent/BRPI0803486A2/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP2031035A1 (de) | 2009-03-04 |
US20090054268A1 (en) | 2009-02-26 |
DE102007037015B3 (de) | 2008-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B03A | Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette] | ||
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 3A ANUIDADE. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: NAO APRESENTADA A GUIA DE CUMPRIMENTO DE EXIGENCIA. REFERENTE AS 3A E 4A ANUIDADES. |