WO1998006929A3 - Compositions and methods for modifying the permeability of subterranean formations - Google Patents

Compositions and methods for modifying the permeability of subterranean formations Download PDF

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Publication number
WO1998006929A3
WO1998006929A3 PCT/US1997/013174 US9713174W WO9806929A3 WO 1998006929 A3 WO1998006929 A3 WO 1998006929A3 US 9713174 W US9713174 W US 9713174W WO 9806929 A3 WO9806929 A3 WO 9806929A3
Authority
WO
WIPO (PCT)
Prior art keywords
particles
compositions
formation
methods
permeability
Prior art date
Application number
PCT/US1997/013174
Other languages
French (fr)
Other versions
WO1998006929A2 (en
Inventor
Jeffrey C Dawson
Hoang Le
Subramanian Kesavan
Original Assignee
Bj Services Co
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 Bj Services Co filed Critical Bj Services Co
Priority to AU38962/97A priority Critical patent/AU3896297A/en
Publication of WO1998006929A2 publication Critical patent/WO1998006929A2/en
Publication of WO1998006929A3 publication Critical patent/WO1998006929A3/en

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    • 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
    • C09K8/512—Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents

Abstract

Compositions and methods for modifying the permeability of subterranean formations are shown. The compositions and methods generally comprise forming a dispersion of water swellable cross-linked polymer particles, adding the dispersion to a carrier fluid to form a treatment fluid, and injecting the treatment fluid into the subterranean formation. The particles are made by polymer emulsion or microemulsion processes, resulting in particles that are much smaller in size than that of the formation pore structures. Upon injection, the particles become trapped in the formation, and upon flowback of water, the particles swell in size and adsorb onto the formation, forming a film and restricting further fluid flow.
PCT/US1997/013174 1996-08-16 1997-07-28 Compositions and methods for modifying the permeability of subterranean formations WO1998006929A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU38962/97A AU3896297A (en) 1996-08-16 1997-07-28 Compositions and methods for modifying the permeability of subterranean formations

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/689,969 1996-08-16
US08/689,969 US5735349A (en) 1996-08-16 1996-08-16 Compositions and methods for modifying the permeability of subterranean formations

Publications (2)

Publication Number Publication Date
WO1998006929A2 WO1998006929A2 (en) 1998-02-19
WO1998006929A3 true WO1998006929A3 (en) 2002-09-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/013174 WO1998006929A2 (en) 1996-08-16 1997-07-28 Compositions and methods for modifying the permeability of subterranean formations

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US (1) US5735349A (en)
AU (1) AU3896297A (en)
WO (1) WO1998006929A2 (en)

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US5735349A (en) 1998-04-07
AU3896297A (en) 1998-03-06
WO1998006929A2 (en) 1998-02-19

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