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AR066335A1 - Uso de elastomeros para producir geles para tratar una luz de pozo - Google Patents

Uso de elastomeros para producir geles para tratar una luz de pozo

Info

Publication number
AR066335A1
AR066335A1 ARP080101798A AR066335A1 AR 066335 A1 AR066335 A1 AR 066335A1 AR P080101798 A ARP080101798 A AR P080101798A AR 066335 A1 AR066335 A1 AR 066335A1
Authority
AR
Argentina
Prior art keywords
elastomeros
treat
well light
produce gels
active hydrogen
Prior art date
Application number
Other languages
English (en)
Original Assignee
Mi Llc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mi Llc filed Critical Mi Llc
Publication of AR066335A1 publication Critical patent/AR066335A1/es

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
    • C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
    • C09K8/504—Compositions based on water or polar solvents
    • C09K8/506—Compositions based on water or polar solvents containing organic compounds
    • C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
    • C09K8/5086—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated 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
    • C09K17/00—Soil-conditioning materials or soil-stabilising materials
    • C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
    • C09K17/18—Prepolymers; Macromolecular compounds
    • C09K17/30—Polyisocyanates; Polyurethanes
    • 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
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/22—Materials not provided for elsewhere for dust-laying or dust-absorbing
    • 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
    • C09K8/03—Specific additives for general use in well-drilling compositions
    • C09K8/035—Organic additives
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Soil Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

Se revela un método de tratar una formacion de tierra que incluye introducir por lo menos un isocianato bloqueado en una fase líquida adentro de la formacion térrea; introducir por lo menos un compuesto de hidrogeno activo adentro de la formaciontérrea; y haciendo contacto entre el isocianato bloqueado y el compuesto de hidrogeno activo, formar un gel elastomérico.
ARP080101798 2007-04-27 2008-04-28 Uso de elastomeros para producir geles para tratar una luz de pozo AR066335A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91460407P 2007-04-27 2007-04-27
US94234607P 2007-06-06 2007-06-06

Publications (1)

Publication Number Publication Date
AR066335A1 true AR066335A1 (es) 2009-08-12

Family

ID=39926049

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP080101798 AR066335A1 (es) 2007-04-27 2008-04-28 Uso de elastomeros para producir geles para tratar una luz de pozo

Country Status (9)

Country Link
US (1) US8876437B2 (es)
EP (1) EP2152832A4 (es)
AR (1) AR066335A1 (es)
AU (1) AU2008245781B2 (es)
BR (1) BRPI0810620A2 (es)
CA (1) CA2685206C (es)
EA (1) EA019936B1 (es)
MX (1) MX2009011604A (es)
WO (1) WO2008134359A1 (es)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2917746B1 (fr) * 2007-06-19 2010-11-26 Total France Utilisation d'une composition fluide a reticulation retardee pour le maintien d'un tubage a l'interieur d'un puits de forage et procede de consolidation d'un puits de forage
CO6030028A1 (es) 2007-06-28 2009-04-30 Mi Llc Geles degradables en aplicaiones de aislamineto zonal
WO2009018536A2 (en) 2007-08-01 2009-02-05 M-I Llc Methods of increasing fracture resistance in low permeability formations
BRPI0906842A2 (pt) * 2008-01-18 2015-07-07 Mi Llc Sistemas de gel não aquosos degradáveis.
US8401795B2 (en) 2008-01-30 2013-03-19 M-I L.L.C. Methods of detecting, preventing, and remediating lost circulation
US9714378B2 (en) 2008-10-29 2017-07-25 Basf Se Proppant
CN102203211B (zh) 2008-10-29 2013-12-18 巴斯夫欧洲公司 支撑剂
GB0902931D0 (en) * 2009-02-20 2009-04-08 M I Drilling Fluids Uk Ltd Wellbore fluid and methods of treating an earthen formtion
US9206281B2 (en) * 2009-06-29 2015-12-08 Basf Se Porous gels based on aromatic polyurea
GB0921711D0 (en) 2009-12-11 2010-01-27 M I Drilling Fluids Uk Ltd Use of elastomers to produce gels for treating a wellbore
US8240386B2 (en) * 2009-12-30 2012-08-14 Schlumberger Technology Corporation Method for treating well bore with polyurethane composition
EP2707449B1 (en) 2011-05-10 2015-09-09 Dow Global Technologies LLC Methods for reducing or preventing fluid loss of drilling fluids using surable compositions.
WO2012174370A2 (en) * 2011-06-17 2012-12-20 M-I L.L.C. Composition of polybutadiene-based formula for downhole applications
US8950492B2 (en) * 2011-07-20 2015-02-10 Halliburton Energy Services, Inc. Invert emulsion fluid containing a hygroscopic liquid, a polymeric suspending agent, and low-density solids
US9376608B2 (en) * 2011-07-20 2016-06-28 Halliburton Energy Services, Inc. Invert emulsion drilling fluid containing a hygroscopic liquid and a polymeric suspending agent
MX365975B (es) 2012-04-09 2019-06-21 Mi Llc Activación del calentamiento de los fluidos de un pozo utilizando nanomateriales de carbono.
CN103421160A (zh) 2012-05-25 2013-12-04 亨茨曼国际有限公司 聚氨酯灌浆组合物
BR112015010388A2 (pt) 2012-11-09 2017-07-11 Dow Global Technologies Llc composição reticulável curável
EP2917301B1 (en) * 2012-11-12 2019-01-09 Huntsman Petrochemical LLC Alkylated polyetheramines as clay stabilizing agents
EP2746358A1 (en) * 2012-12-21 2014-06-25 Basf Se Polyurea silicate resin for wellbore application
MY177470A (en) * 2013-04-05 2020-09-16 Mi Llc Polymeric compositions for downhole applications
US9494026B2 (en) 2013-04-22 2016-11-15 Halliburton Energy Services, Inc. Methods and compositions of treating subterranean formations with a novel resin system
US9862876B2 (en) 2013-04-22 2018-01-09 Halliburton Energy Services, Inc. Methods and compositions of treating subterranean formations with a novel resin system
US20150166871A1 (en) * 2013-12-16 2015-06-18 Schlumberger Technology Corporation Methods for Treating Subterreanean Formations
US10000686B2 (en) 2013-12-18 2018-06-19 Covestro Llc Methods for treating a well bore within an underground formation
WO2016093800A1 (en) * 2014-12-09 2016-06-16 Halliburton Energy Services, Inc. Composition including a glycerol ester including at least two epoxides for treatment of subterranean formations
EA025958B1 (ru) * 2015-02-17 2017-02-28 Научно-Исследовательский И Проектный Институт Нефти И Газа (Нипинг) Химический состав для агрегации песка в нефтяных скважинах
CA2986802A1 (en) 2015-05-27 2016-12-01 Basf Se Use of a composition for stabilizing a geological formation in oil fields, gas fields, water pumping fields, mining or tunnel constructions
US9815739B2 (en) 2015-10-30 2017-11-14 Covestro Llc Polyisocyanurate based cement for wellbore fluid loss prevention
CN108219760A (zh) * 2016-12-21 2018-06-29 中国石油天然气股份有限公司 用于裂缝性地层的泡沫复合堵漏剂及其使用方法
RU2667843C1 (ru) * 2017-08-14 2018-09-24 Николай Николаевич Петров Способ восстановления изолирующей поверхности катодно-поляризуемых металлических конструкций и сооружений (варианты), иммобилизованный в виде гелевой субстанции электроактивный мономер и способ придания способности к электроосаждению из водных растворов на катоде полимерному органическому соединению
WO2019036189A1 (en) * 2017-08-15 2019-02-21 Covestro Llc ADDITIVE FOR ENOUGHING EPOXY-BASED RESINS FOR USE IN OIL FIELD APPLICATIONS
CN110437810B (zh) * 2019-07-19 2021-06-11 中国石油集团川庆钻探工程有限公司 压敏型可交联油基钻井液用固化剂及其制备方法
CN110396398B (zh) * 2019-07-19 2021-07-23 中国石油集团川庆钻探工程有限公司 超高温油基钻井液用温控型固化剂及其制备方法
CN110373169B (zh) * 2019-07-19 2021-07-23 中国石油集团川庆钻探工程有限公司 可控时固化油基堵漏浆及其制备方法
CN110408372B (zh) * 2019-07-19 2021-08-13 中国石油集团川庆钻探工程有限公司 中低温油基固化堵漏浆及其制备方法
US11932809B1 (en) 2022-08-29 2024-03-19 Saudi Arabian Oil Company Curable hybrid chemical resin for sand consolidation

Family Cites Families (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014530A (en) * 1957-08-20 1961-12-26 Harvel Res Corp Compositions of matter and methods and steps for making and using the same
US3308884A (en) * 1963-12-13 1967-03-14 Shell Oil Co Plugging underground formations
US3851479A (en) * 1972-12-29 1974-12-03 Marathon Oil Co Sealed porous earth formations and process for their manufacture
US4114382A (en) 1974-07-26 1978-09-19 Bayer Aktiengesellschaft Process for the consolidation of geological formations and loosened rock and earth masses
US4042031A (en) 1975-11-13 1977-08-16 Shell Oil Company Plugging subterranean earth formations with aqueous epoxy emulsions containing fine solid particles
CA1111598A (en) 1976-01-14 1981-10-27 Joseph R. Marchetti Amine acide salt-containing polymers for cationic electrodeposition
US4365670A (en) * 1979-03-05 1982-12-28 Halliburton Company Methods of forming isocyanate polymers for earth-sealing operations
DE2908746C2 (de) * 1979-03-06 1983-08-11 Bayer Ag, 5090 Leverkusen Verfahren zum Verfestigen und Abdichten von geologischen und geschütteten Gesteins- und Erdformationen
US4374968A (en) * 1980-06-02 1983-02-22 Halliburton Company Methods of forming isocyanate polymers
US4383054A (en) * 1981-05-28 1983-05-10 Texaco Inc. Hydrophilic high polymers prepared from aqueous solutions or dispersions of polyoxypropylene polyamine N-N'-polymethylene sulfonates
US4410667A (en) 1982-01-29 1983-10-18 Ppg Industries, Inc. Elastomeric coating compositions
US4760882A (en) 1983-02-02 1988-08-02 Exxon Production Research Company Method for primary cementing a well with a drilling mud which may be converted to cement using chemical initiators with or without additional irradiation
US5986033A (en) * 1984-02-29 1999-11-16 The Baxenden Chemical Co. Blocked isocyanates
US4870141A (en) 1984-12-24 1989-09-26 E. I. Du Pont De Nemours And Company Hydroxy-functional epoxy ester resin and hydroxy-reactive crosslinking agent
US4637956A (en) 1985-03-29 1987-01-20 Ppg Industries, Inc. Sized glass fibers and reinforced polymers containing same
US4767829A (en) 1985-11-14 1988-08-30 E. I. Du Pont De Nemours And Company Thermosetting coating composition comprising a hydroxy-functional epoxy-polyester graft copolymer
US4746754A (en) 1986-05-16 1988-05-24 The Dow Chemical Company Preparation of carbonate diisocyanates and related compounds
US4767836A (en) * 1987-05-18 1988-08-30 Texaco Inc. Storage stable polyurethane coating
JP2783561B2 (ja) 1987-10-29 1998-08-06 大阪瓦斯株式会社 複合材料用炭素繊維
US5048608A (en) * 1989-01-31 1991-09-17 Atlantic Richfield Company Consolidation of hydraulic fractures employing a polyurethane resin
US4976833A (en) 1989-10-04 1990-12-11 E. I. Du Pont De Nemours And Company Electrodeposition coatings containing blocked tetramethylxylene diisocyanate crosslinker
US4984635A (en) 1989-11-16 1991-01-15 Mobil Oil Corporation Thermal barriers for enhanced oil recovery
US5256729A (en) * 1991-09-04 1993-10-26 Atlantic Richfield Company Nitrile derivative for sand control
US5199491A (en) 1991-09-04 1993-04-06 Atlantic Richfield Company Method of using nitrile derivative for sand control
KR100297091B1 (ko) 1993-12-09 2001-11-05 고래마츠 교지 크롬-프리벽돌
US5453536A (en) 1994-03-10 1995-09-26 The Dow Chemical Company Polycarbamates, process for preparing polycarbamates, and process for preparing polyisocyanates
US20050028979A1 (en) 1996-11-27 2005-02-10 Brannon Harold Dean Methods and compositions of a storable relatively lightweight proppant slurry for hydraulic fracturing and gravel packing applications
US6060445A (en) 1997-03-31 2000-05-09 Eval Company Of America Polymer cleaning compositions and methods
US5968879A (en) 1997-05-12 1999-10-19 Halliburton Energy Services, Inc. Polymeric well completion and remedial compositions and methods
US5981447A (en) 1997-05-28 1999-11-09 Schlumberger Technology Corporation Method and composition for controlling fluid loss in high permeability hydrocarbon bearing formations
GC0000046A (en) 1998-02-26 2004-06-30 Shell Int Research Compositions for use in well construction, repair and/or abandonment.
DE19816626C2 (de) 1998-04-15 2002-07-18 Basf Coatings Ag Mittel zum Blockieren von Polyisocyanaten, hiermit blockierte Polyisocyanate und Beschichtungsmittel, welche diese blockierten Polyisocyanate enthalten
US6098711A (en) 1998-08-18 2000-08-08 Halliburton Energy Services, Inc. Compositions and methods for sealing pipe in well bores
US6448394B1 (en) 1998-09-24 2002-09-10 Dsm N.V. Process for the preparation of an N-alkyl or N-aryl carbamoyl derivative
US6431280B2 (en) * 1998-12-21 2002-08-13 Geoffrey Stanley Bayliss Method for placement of blocking gels or polymers at specific depths of penetration into oil and gas, and water producing formations
EP1026188B1 (en) 1999-02-05 2003-06-25 Kansai Paint Co., Ltd. Resin composition for coating
KR100857504B1 (ko) 2000-12-01 2008-09-08 도요 고무 고교 가부시키가이샤 연마 패드용 쿠션층
CA2434208C (en) * 2001-01-12 2011-11-01 Baxenden Chemicals Limited Mixed-blocked polyisocyanates and uses thereof
US7429220B2 (en) 2001-04-13 2008-09-30 Acushnet Company Golf balls containing interpenetrating polymer networks
US6709758B2 (en) 2001-11-09 2004-03-23 Lord Corporation Room temperature curable X-HNBR coating
US6783911B2 (en) 2002-01-24 2004-08-31 Kodak Polychrome Graphics Llc Isocyanate crosslinked imageable compositions
US6830105B2 (en) 2002-03-26 2004-12-14 Halliburton Energy Services, Inc. Proppant flowback control using elastomeric component
US6908539B2 (en) 2002-07-02 2005-06-21 E.I. Du Pont De Nemours And Company Cathodic electrocoating composition containing morpholine dione blocked polyisocyanate crosslinking agent
US6927194B2 (en) 2002-08-01 2005-08-09 Burts, Iii Boyce Donald Well kill additive, well kill treatment fluid made therefrom, and method of killing a well
US7008908B2 (en) 2002-11-22 2006-03-07 Schlumberger Technology Corporation Selective stimulation with selective water reduction
US6891012B2 (en) 2003-05-23 2005-05-10 Bayer Materialscience Llc Powder coatings produced with crosslinkers capable of curing at low temperatures and coated articles produced therefrom
DE602004019940D1 (de) 2003-08-19 2009-04-23 Toyo Boseki Polyesterfolie
US7638467B2 (en) 2004-08-03 2009-12-29 Intevep, S.A. Reversible gelling system and method using same during well treatments
US20060122357A1 (en) 2004-12-08 2006-06-08 Thomas Faecke Continuous method for manufacturing an acid functional blocked solid isocyanate
JP4778782B2 (ja) 2004-12-28 2011-09-21 ニチアス株式会社 シール材
JP2006342303A (ja) 2005-06-10 2006-12-21 Nippon Paint Co Ltd カチオン電着塗料用ハジキ防止剤およびこれを含む塗料組成物
GB2427630B (en) 2005-06-30 2007-11-07 Schlumberger Holdings Methods and materials for zonal isolation
US7493957B2 (en) 2005-07-15 2009-02-24 Halliburton Energy Services, Inc. Methods for controlling water and sand production in subterranean wells
US7341106B2 (en) 2005-07-21 2008-03-11 Halliburton Energy Services, Inc. Methods for wellbore strengthening and controlling fluid circulation loss
US20070023288A1 (en) 2005-08-01 2007-02-01 Eiji Kuwano Method of forming multi-layered coating film
US7727938B2 (en) 2006-06-09 2010-06-01 M-I L.L.C. Non-aqueous gels for consolidating and stabilizing wellbore formations
US7717180B2 (en) 2006-06-29 2010-05-18 Halliburton Energy Services, Inc. Swellable elastomers and associated methods
WO2008134371A2 (en) 2007-04-27 2008-11-06 M-I Llc Use of curable liquid elastomers to produce gels for treating a wellbore

Also Published As

Publication number Publication date
EA019936B1 (ru) 2014-07-30
US8876437B2 (en) 2014-11-04
EP2152832A4 (en) 2010-11-03
AU2008245781A1 (en) 2008-11-06
AU2008245781B2 (en) 2012-06-28
MX2009011604A (es) 2009-12-15
BRPI0810620A2 (pt) 2015-09-15
EP2152832A1 (en) 2010-02-17
CA2685206C (en) 2011-07-05
US20100087566A1 (en) 2010-04-08
WO2008134359A1 (en) 2008-11-06
CA2685206A1 (en) 2009-10-23
EA200971006A1 (ru) 2010-04-30

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