NO20074239L - Soluble diversion agents - Google Patents

Soluble diversion agents

Info

Publication number
NO20074239L
NO20074239L NO20074239A NO20074239A NO20074239L NO 20074239 L NO20074239 L NO 20074239L NO 20074239 A NO20074239 A NO 20074239A NO 20074239 A NO20074239 A NO 20074239A NO 20074239 L NO20074239 L NO 20074239L
Authority
NO
Norway
Prior art keywords
soluble
water
well
coating
polyvinyl alcohol
Prior art date
Application number
NO20074239A
Other languages
Norwegian (no)
Inventor
A Richard Sinclair
Syed Akbar
Patrick R Okell
Original Assignee
Fairmount Minerals
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 Fairmount Minerals filed Critical Fairmount Minerals
Publication of NO20074239L publication Critical patent/NO20074239L/en

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
    • C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
    • C09K8/805—Coated proppants
    • 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
    • C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
    • C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
    • C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
    • C09K8/487—Fluid loss control additives; Additives for reducing or preventing circulation loss
    • 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
    • C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/14—Obtaining from a multiple-zone well
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25—Methods for stimulating production
    • E21B43/26—Methods for stimulating production by forming crevices or fractures
    • E21B43/261—Separate steps of (1) cementing, plugging or consolidating and (2) fracturing or attacking the formation

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Medicinal Preparation (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Peptides Or Proteins (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Materials For Medical Uses (AREA)

Abstract

Fremgangsmåter og blandinger for stimulering av enkeltintervaller og flere intervaller i underjordiske brønner ved avledning av brønnbehandlingsfluider inn i en bestemt retning eller inn i flere intervaller ved bruk av vannoppløselige belagte avledningsmidler beskrives. Avledningsmidlets vannoppløselige belegg utgjøres fortrinnsvis av et kollagen, et polyetylenoksid, en polymelkesyre, et polyvinylacetat, en polyvinylalkohol, en polyvinylacetat/ polyvinylalkohol-polymer eller en blanding derav påført som et belegg på et hvilket som helst antall proppemidler. Fremgangsmåten gjør det mulig å avlede strømmen av fluider i en formasjon nede i brønnhullet under en brønn-, behandling, som for eksempel under en fraktureringsprosess. Etter fullføring av en behandling som for eksempel en hydraulisk stimulering kan det oppløselige avledningsmiddel oppløses og fjernes av vannkomponenten i den produserte strøm fra brønnen.Methods and compositions for stimulating single intervals and multiple intervals in underground wells by discharging well processing fluids into a particular direction or into multiple intervals using water-soluble coated derivatives are described. The water-soluble coating of the wetting agent is preferably a collagen, a polyethylene oxide, a polylactic acid, a polyvinyl acetate, a polyvinyl alcohol, a polyvinyl acetate / polyvinyl alcohol polymer or a mixture thereof applied as a coating on any number of stoppers. The method makes it possible to divert the flow of fluids into a downhole formation during a well treatment, such as during a fracturing process. Upon completion of a treatment such as a hydraulic stimulation, the soluble lead can be dissolved and removed by the water component of the produced stream from the well.

NO20074239A 2005-01-21 2007-08-20 Soluble diversion agents NO20074239L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US64623105P 2005-01-21 2005-01-21
PCT/US2006/001916 WO2006088603A1 (en) 2005-01-21 2006-01-20 Soluble diverting agents

Publications (1)

Publication Number Publication Date
NO20074239L true NO20074239L (en) 2007-10-15

Family

ID=36590218

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20074239A NO20074239L (en) 2005-01-21 2007-08-20 Soluble diversion agents

Country Status (8)

Country Link
US (1) US20060175059A1 (en)
CN (1) CN101146888B (en)
CA (1) CA2595686C (en)
GB (1) GB2437869B (en)
MX (1) MX2007008850A (en)
NO (1) NO20074239L (en)
RU (1) RU2433157C2 (en)
WO (1) WO2006088603A1 (en)

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