WO2004109053A3 - Lost circulation material blend offering high fluid loss with minimum solids - Google Patents

Lost circulation material blend offering high fluid loss with minimum solids Download PDF

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Publication number
WO2004109053A3
WO2004109053A3 PCT/US2004/017911 US2004017911W WO2004109053A3 WO 2004109053 A3 WO2004109053 A3 WO 2004109053A3 US 2004017911 W US2004017911 W US 2004017911W WO 2004109053 A3 WO2004109053 A3 WO 2004109053A3
Authority
WO
WIPO (PCT)
Prior art keywords
particulates
rubber
copolymer
cellulosic
fluid loss
Prior art date
Application number
PCT/US2004/017911
Other languages
French (fr)
Other versions
WO2004109053A2 (en
Inventor
Mano Shaarpour
Original Assignee
Sun Drilling Products Corp
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 Sun Drilling Products Corp filed Critical Sun Drilling Products Corp
Publication of WO2004109053A2 publication Critical patent/WO2004109053A2/en
Publication of WO2004109053A3 publication Critical patent/WO2004109053A3/en

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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
    • 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
    • C09K8/02—Well-drilling compositions
    • C09K8/03—Specific additives for general use in well-drilling compositions
    • C09K8/035—Organic additives
    • 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
    • C09K8/516—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls characterised by their form or by the form of their components, e.g. encapsulated material

Abstract

A lost-circulation-material includes: rubber particulates; crosslinked-copolymer particulates; cellulosic particulates; an expandable clay; a hydrogel material, and optionally a thickener. The average size of the particulates is selected so that each of the rubber particulates, crosslinked-copolymer particulates, and cellulosic particulates differ by at least a factor of 2 in diameter from one another. The components are admixed with fresh water having low salinity to form a remedial plug. In one embodiment, the copolymer particulates are pre-formed beads; the rubber particulates are finely ground butyl rubber compound; the expandable clay includes smectite; the hydrogel includes a partially hydrolyzed polyacrylamide compound; and the cellulosic particulates are wood flour. Methods of forming a slurry for plugging lost-circulation zones, and methods of treating wellbores with the slurry, are described.
PCT/US2004/017911 2003-06-04 2004-06-04 Lost circulation material blend offering high fluid loss with minimum solids WO2004109053A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47573403P 2003-06-04 2003-06-04
US60/475,734 2003-06-04

Publications (2)

Publication Number Publication Date
WO2004109053A2 WO2004109053A2 (en) 2004-12-16
WO2004109053A3 true WO2004109053A3 (en) 2005-09-15

Family

ID=33511712

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/017911 WO2004109053A2 (en) 2003-06-04 2004-06-04 Lost circulation material blend offering high fluid loss with minimum solids

Country Status (2)

Country Link
US (1) US20040244978A1 (en)
WO (1) WO2004109053A2 (en)

Cited By (2)

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Publication number Publication date
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