NO20072598L - Sammensetning og fremgangsmate for behandling av undergrunnsformasjoner - Google Patents

Sammensetning og fremgangsmate for behandling av undergrunnsformasjoner

Info

Publication number
NO20072598L
NO20072598L NO20072598A NO20072598A NO20072598L NO 20072598 L NO20072598 L NO 20072598L NO 20072598 A NO20072598 A NO 20072598A NO 20072598 A NO20072598 A NO 20072598A NO 20072598 L NO20072598 L NO 20072598L
Authority
NO
Norway
Prior art keywords
chelating agent
acid
composition
fluid system
underground formations
Prior art date
Application number
NO20072598A
Other languages
English (en)
Inventor
Mark E Brady
Arthur William Milne
Original Assignee
Schlumberger Technology Bv
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 Schlumberger Technology Bv filed Critical Schlumberger Technology Bv
Publication of NO20072598L publication Critical patent/NO20072598L/no

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

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Processing Of Solid Wastes (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)

Abstract

Fremgangsmåte for å behandle en undergrunnsformasjon med et forsinket selvavledende fluidsystem. Fremgangsmåten inkluderer å kontakte formasjonen med en blanding av syre, kompleksdanner og betainsurfaktant, i hvilken betainsurfaktanten blandes med en vandig løsning av kompleksdanneren i hvilken pH-verdien har blitt regulert til en pH-verdi på under omkring 3,0, men over pH-verdien som den frie syren av kompleksdanneren felles ut ved, og det resulterende fluidsystem benyttes for både syrefrakturering og matriksstimulering, så vel som overhalingsprosedyrer så som fjerning av avleiringer og filterkake, spesielt i høytemperaturformasjoner.
NO20072598A 2004-11-18 2007-05-22 Sammensetning og fremgangsmate for behandling av undergrunnsformasjoner NO20072598L (no)

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 (1)

Publication Number Publication Date
NO20072598L true NO20072598L (no) 2007-08-15

Family

ID=36218310

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20072598A NO20072598L (no) 2004-11-18 2007-05-22 Sammensetning og fremgangsmate for behandling av undergrunnsformasjoner

Country Status (8)

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

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Also Published As

Publication number Publication date
EA200701080A1 (ru) 2007-10-26
WO2006054261A2 (en) 2006-05-26
ATE412720T1 (de) 2008-11-15
US20060102349A1 (en) 2006-05-18
EP1817391B1 (en) 2008-10-29
US7380602B2 (en) 2008-06-03
EP1817391A2 (en) 2007-08-15
WO2006054261A3 (en) 2006-08-10
CA2587430A1 (en) 2006-05-26
CA2587430C (en) 2011-03-15
DE602005010737D1 (de) 2008-12-11
EA010361B1 (ru) 2008-08-29

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