WO2007125302A3 - Compositions and methods for delivering an organic solvent to a downhole portion of a wellbore or pipeline - Google Patents

Compositions and methods for delivering an organic solvent to a downhole portion of a wellbore or pipeline Download PDF

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Publication number
WO2007125302A3
WO2007125302A3 PCT/GB2007/001491 GB2007001491W WO2007125302A3 WO 2007125302 A3 WO2007125302 A3 WO 2007125302A3 GB 2007001491 W GB2007001491 W GB 2007001491W WO 2007125302 A3 WO2007125302 A3 WO 2007125302A3
Authority
WO
WIPO (PCT)
Prior art keywords
organic solvent
wellbore
delivering
pipeline
composition
Prior art date
Application number
PCT/GB2007/001491
Other languages
French (fr)
Other versions
WO2007125302A2 (en
Inventor
Gary J Cheramie
Richard W Pauls
Original Assignee
Halliburton Energy Serv Inc
Curtis Philip Anthony
Gary J Cheramie
Richard W Pauls
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
Priority claimed from US11/787,886 external-priority patent/US20070254815A1/en
Priority claimed from US11/787,887 external-priority patent/US20070251693A1/en
Application filed by Halliburton Energy Serv Inc, Curtis Philip Anthony, Gary J Cheramie, Richard W Pauls filed Critical Halliburton Energy Serv Inc
Priority to EP07732530A priority Critical patent/EP2013310A2/en
Publication of WO2007125302A2 publication Critical patent/WO2007125302A2/en
Publication of WO2007125302A3 publication Critical patent/WO2007125302A3/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
    • C09K8/02—Well-drilling compositions
    • C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
    • C09K8/36—Water-in-oil emulsions
    • 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
    • C09K8/524—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
    • 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
    • C09K8/82—Oil-based compositions

Abstract

A composition is provided for delivering an organic solvent to a downhole portion of a wellbore or pipeline. The composition comprises: (A) water; (B) a weighting agent; (C) an organic solvent that is immiscible with water; and (D) a surfactant adapted for forming an oil- external emulsion of the organic solvent and the water, wherein the surfactant is unstable to hydrolysis. The composition is formed to be an oil-external emulsion. The density of the composition is formulated to be greater than that of pure water at standard temperature and pressure. A method is provided for delivering an organic solvent to a downhole portion of a wellbore. The method comprises the steps of: (A) forming a composition according to the invention; and (B) introducing the composition into the wellbore or pipeline.
PCT/GB2007/001491 2006-04-28 2007-04-24 Compositions and methods for delivering an organic solvent to a downhole portion of a wellbore or pipeline WO2007125302A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07732530A EP2013310A2 (en) 2006-04-28 2007-04-24 Compositions and methods for delivering an organic solvent to a downhole portion of a wellbore or pipeline

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US79567106P 2006-04-28 2006-04-28
US60/795,671 2006-04-28
US11/787,886 US20070254815A1 (en) 2006-04-28 2007-04-18 Compositions and methods for delivering an organic solvent to a downhole portion of a wellbore or to a portion of a pipeline
US11/787,887 US20070251693A1 (en) 2006-04-28 2007-04-18 Compositions and methods for delivering an organic solvent to a downhole portion of a wellbore or to a portion of a pipeline
US11/787,887 2007-04-18
US11/787,886 2007-04-18

Publications (2)

Publication Number Publication Date
WO2007125302A2 WO2007125302A2 (en) 2007-11-08
WO2007125302A3 true WO2007125302A3 (en) 2008-02-07

Family

ID=38655866

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2007/001491 WO2007125302A2 (en) 2006-04-28 2007-04-24 Compositions and methods for delivering an organic solvent to a downhole portion of a wellbore or pipeline

Country Status (2)

Country Link
EP (1) EP2013310A2 (en)
WO (1) WO2007125302A2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012329A (en) * 1973-08-27 1977-03-15 Marathon Oil Company Water-in-oil microemulsion drilling fluids
EP0072245A1 (en) * 1981-08-12 1983-02-16 Exxon Research And Engineering Company High temperature drilling fluids based on sulphonated thermoplastic polymers
US5678631A (en) * 1994-07-01 1997-10-21 Well-Flow Technologies, Inc. Process for removing solids from a well drilling system
US20060042796A1 (en) * 2004-09-02 2006-03-02 Qi Qu Compositions for treating a well penetrating a subterranean formation and uses thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012329A (en) * 1973-08-27 1977-03-15 Marathon Oil Company Water-in-oil microemulsion drilling fluids
EP0072245A1 (en) * 1981-08-12 1983-02-16 Exxon Research And Engineering Company High temperature drilling fluids based on sulphonated thermoplastic polymers
US5678631A (en) * 1994-07-01 1997-10-21 Well-Flow Technologies, Inc. Process for removing solids from a well drilling system
US20060042796A1 (en) * 2004-09-02 2006-03-02 Qi Qu Compositions for treating a well penetrating a subterranean formation and uses thereof

Also Published As

Publication number Publication date
WO2007125302A2 (en) 2007-11-08
EP2013310A2 (en) 2009-01-14

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