EA200701080A1 - Композиция и способ обработки подземного пласта - Google Patents

Композиция и способ обработки подземного пласта

Info

Publication number
EA200701080A1
EA200701080A1 EA200701080A EA200701080A EA200701080A1 EA 200701080 A1 EA200701080 A1 EA 200701080A1 EA 200701080 A EA200701080 A EA 200701080A EA 200701080 A EA200701080 A EA 200701080A EA 200701080 A1 EA200701080 A1 EA 200701080A1
Authority
EA
Eurasian Patent Office
Prior art keywords
chelating agent
acid
treatment
composition
fluid system
Prior art date
Application number
EA200701080A
Other languages
English (en)
Other versions
EA010361B1 (ru
Inventor
Марк Брэди
Артур Милн
Original Assignee
Шлюмбергер Текнолоджи Б.В.
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 Шлюмбергер Текнолоджи Б.В. filed Critical Шлюмбергер Текнолоджи Б.В.
Publication of EA200701080A1 publication Critical patent/EA200701080A1/ru
Publication of EA010361B1 publication Critical patent/EA010361B1/ru

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
    • C09K8/52—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
    • C09K8/60—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

Abstract

Способ обработки подземного пласта посредством самоотклоняющейся жидкостной системы замедленного действия. Способ включает взаимодействие пласта со смесью кислоты, хелатирующего агента и поверхностно-активного вещества на основе бетаина, где поверхностно-активное вещество на основе бетаина является смешанным с водным раствором хелатирующего агента, в котором рН было доведено до рН ниже приблизительно 3, но выше значения рН, при котором осаждается хелатирующий агент в форме свободной кислоты, и получающуюся в результате жидкостную систему используют как для кислотного разрыва, так и для воздействия на материнскую породу (интенсификации добычи), а также для процедур по капитальному ремонту скважины, таких как удаление твердого осадка и глинистой корки, особенно в высокотемпературных пластах.
EA200701080A 2004-11-18 2005-11-17 Способ обработки подземного карбонатного пласта EA010361B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/991,715 US7380602B2 (en) 2004-11-18 2004-11-18 Composition and method for treating a subterranean formation
PCT/IB2005/053806 WO2006054261A2 (en) 2004-11-18 2005-11-17 Composition and method for treating a subterranean formation

Publications (2)

Publication Number Publication Date
EA200701080A1 true EA200701080A1 (ru) 2007-10-26
EA010361B1 EA010361B1 (ru) 2008-08-29

Family

ID=36218310

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200701080A EA010361B1 (ru) 2004-11-18 2005-11-17 Способ обработки подземного карбонатного пласта

Country Status (8)

Country Link
US (1) US7380602B2 (ru)
EP (1) EP1817391B1 (ru)
AT (1) ATE412720T1 (ru)
CA (1) CA2587430C (ru)
DE (1) DE602005010737D1 (ru)
EA (1) EA010361B1 (ru)
NO (1) NO20072598L (ru)
WO (1) WO2006054261A2 (ru)

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Also Published As

Publication number Publication date
EP1817391A2 (en) 2007-08-15
ATE412720T1 (de) 2008-11-15
EA010361B1 (ru) 2008-08-29
US20060102349A1 (en) 2006-05-18
WO2006054261A3 (en) 2006-08-10
CA2587430C (en) 2011-03-15
WO2006054261A2 (en) 2006-05-26
CA2587430A1 (en) 2006-05-26
NO20072598L (no) 2007-08-15
US7380602B2 (en) 2008-06-03
DE602005010737D1 (de) 2008-12-11
EP1817391B1 (en) 2008-10-29

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Legal Events

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MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM BY KG MD TJ TM

MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AZ

QB4A Registration of a licence in a contracting state
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): KZ RU