GB1256538A - - Google Patents

Info

Publication number
GB1256538A
GB1256538A GB1256538DA GB1256538A GB 1256538 A GB1256538 A GB 1256538A GB 1256538D A GB1256538D A GB 1256538DA GB 1256538 A GB1256538 A GB 1256538A
Authority
GB
United Kingdom
Prior art keywords
fluid
barrier
oil
surfactant
well
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1256538A publication Critical patent/GB1256538A/en
Expired legal-status Critical Current

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
    • C09K8/04—Aqueous well-drilling compositions
    • C09K8/14—Clay-containing compositions
    • C09K8/18—Clay-containing compositions characterised by the organic compounds
    • 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
    • C09K8/04—Aqueous well-drilling compositions
    • C09K8/26—Oil-in-water emulsions

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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Dispersion Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
GB1256538D 1968-02-02 1969-01-22 Expired GB1256538A (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70263568A 1968-02-02 1968-02-02

Publications (1)

Publication Number Publication Date
GB1256538A true GB1256538A (no) 1971-12-08

Family

ID=24822027

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1256538D Expired GB1256538A (no) 1968-02-02 1969-01-22

Country Status (1)

Country Link
GB (1) GB1256538A (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4828724A (en) * 1986-12-18 1989-05-09 Shell Oil Company Drilling fluid to minimize solids disintegration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4828724A (en) * 1986-12-18 1989-05-09 Shell Oil Company Drilling fluid to minimize solids disintegration

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees