GB2273484B - Encapsulated acid composition and process for well stimulation using same - Google Patents

Encapsulated acid composition and process for well stimulation using same

Info

Publication number
GB2273484B
GB2273484B GB9324145A GB9324145A GB2273484B GB 2273484 B GB2273484 B GB 2273484B GB 9324145 A GB9324145 A GB 9324145A GB 9324145 A GB9324145 A GB 9324145A GB 2273484 B GB2273484 B GB 2273484B
Authority
GB
United Kingdom
Prior art keywords
same
acid composition
well stimulation
encapsulated acid
encapsulated
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.)
Expired - Fee Related
Application number
GB9324145A
Other versions
GB9324145D0 (en
GB2273484A (en
Inventor
Valmore Rodriguez
Vincenzo Savino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intevep SA
Original Assignee
Intevep SA
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 Intevep SA filed Critical Intevep SA
Publication of GB9324145D0 publication Critical patent/GB9324145D0/en
Publication of GB2273484A publication Critical patent/GB2273484A/en
Application granted granted Critical
Publication of GB2273484B publication Critical patent/GB2273484B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C09K8/92—Compositions for stimulating production by acting on the underground formation characterised by their form or by the form of their components, e.g. encapsulated material
    • 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
    • C09K8/72—Eroding chemicals, e.g. acids
GB9324145A 1992-11-25 1993-11-24 Encapsulated acid composition and process for well stimulation using same Expired - Fee Related GB2273484B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US98140592A 1992-11-25 1992-11-25

Publications (3)

Publication Number Publication Date
GB9324145D0 GB9324145D0 (en) 1994-01-12
GB2273484A GB2273484A (en) 1994-06-22
GB2273484B true GB2273484B (en) 1996-08-07

Family

ID=25528336

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9324145A Expired - Fee Related GB2273484B (en) 1992-11-25 1993-11-24 Encapsulated acid composition and process for well stimulation using same

Country Status (3)

Country Link
CA (1) CA2102769C (en)
DE (1) DE4339801A1 (en)
GB (1) GB2273484B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6761220B2 (en) 2002-02-01 2004-07-13 Halliburton Energy Services, Inc. Treatment of a well with an encapsulated liquid and process for encapsulating a liquid
JP2004249817A (en) * 2003-02-19 2004-09-09 Denso Corp Electronic control device and control system having a plurality of electronic control devices
US20080314594A1 (en) * 2007-06-25 2008-12-25 Still John W Method of Heterogeneous Etching of Sandstone Formations
US8863841B2 (en) 2011-03-02 2014-10-21 Basf Se Alkanesulfonic acid microcapsules and use thereof in deep wells
EP2681291B1 (en) * 2011-03-02 2015-11-04 Basf Se Alkanesulphonic acid microcapsules and use thereof in deep wells

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2026425A (en) * 1978-07-05 1980-02-06 Mitsubishi Paper Mills Ltd Process for coating dispersed minute droplets with a film or membrane
JPS6475686A (en) * 1987-09-17 1989-03-22 Sumitomo Metal Mining Co Etchant and etching method using same
US4923753A (en) * 1987-03-26 1990-05-08 The Dow Chemical Company Controlled-release compositions for acids
WO1992017683A1 (en) * 1991-03-28 1992-10-15 Exxon Research And Engineering Company Breaker chemical encapsulated with a crosslinked elastomer coating

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3163219A (en) * 1961-06-22 1964-12-29 Atlantic Refining Co Borate-gum gel breakers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2026425A (en) * 1978-07-05 1980-02-06 Mitsubishi Paper Mills Ltd Process for coating dispersed minute droplets with a film or membrane
US4923753A (en) * 1987-03-26 1990-05-08 The Dow Chemical Company Controlled-release compositions for acids
JPS6475686A (en) * 1987-09-17 1989-03-22 Sumitomo Metal Mining Co Etchant and etching method using same
WO1992017683A1 (en) * 1991-03-28 1992-10-15 Exxon Research And Engineering Company Breaker chemical encapsulated with a crosslinked elastomer coating

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Chemical Abstracts 111(20):179316t & JP 01075686 A *
Chemical Abstracts 74(16):77479y & JP 45020885 B *

Also Published As

Publication number Publication date
DE4339801A1 (en) 1994-05-26
GB9324145D0 (en) 1994-01-12
CA2102769A1 (en) 1994-05-26
GB2273484A (en) 1994-06-22
CA2102769C (en) 1998-04-14

Similar Documents

Publication Publication Date Title
EG17596A (en) Disinfection method and composition therefor
ZA911875B (en) Method and composition for iontophoresis
GB2283200B (en) Encapsulation apparatus and process
GB9208339D0 (en) Treatment composition
EP0278505A3 (en) Hair protection composition and method
GB8917470D0 (en) Composition and method
ZA875601B (en) Shampoo method and composition
HUT53779A (en) Insecticide preparations containing phenyl-substituted heterocyclic compounds as agents and method for producing the agents
GB2273484B (en) Encapsulated acid composition and process for well stimulation using same
GB9308126D0 (en) Method of making artifact
GB9218027D0 (en) Novel method of treatment
GB9224295D0 (en) Method and composition
GB9202196D0 (en) Method of treatment
EP0273571A3 (en) Separating-agents composition and method using same
EP0564212A3 (en) Process for the preparation of arylethylamines and substituted arylethylamines
EP0564213A3 (en) Process for the preparation of arylethylamines and substituted arylethylamines
GB9201391D0 (en) Method of treatment
GB9209061D0 (en) Cyclic compound and process
GB9218597D0 (en) Novel method of treatment
GB9201906D0 (en) Arylidene-benzisothiazoline-derivatives and process for their preparation
GB9211591D0 (en) Method and composition
PL294467A1 (en) Method of interconnecting interwindow pillars
NZ227844A (en) Method for using and making microcapsules; compositions therefor
GB9216662D0 (en) Novel compounds and process
GB9216664D0 (en) Novel compounds and process

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991124