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GB2178785B - Well drilling fluids, fluid loss additives therefor and preparation of such additives - Google Patents

Well drilling fluids, fluid loss additives therefor and preparation of such additives

Info

Publication number
GB2178785B
GB2178785B GB08619007A GB8619007A GB2178785B GB 2178785 B GB2178785 B GB 2178785B GB 08619007 A GB08619007 A GB 08619007A GB 8619007 A GB8619007 A GB 8619007A GB 2178785 B GB2178785 B GB 2178785B
Authority
GB
United Kingdom
Prior art keywords
additives
preparation
fluid loss
drilling fluids
well drilling
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
GB08619007A
Other versions
GB2178785A (en
GB8619007D0 (en
Inventor
Robert Williamson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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 Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of GB8619007D0 publication Critical patent/GB8619007D0/en
Publication of GB2178785A publication Critical patent/GB2178785A/en
Application granted granted Critical
Publication of GB2178785B publication Critical patent/GB2178785B/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
    • C09K8/20—Natural organic compounds or derivatives thereof, e.g. polysaccharides or lignin derivatives
    • C09K8/203—Wood derivatives, e.g. lignosulfonate, tannin, tall oil, sulfite liquor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Dispersion Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Colloid Chemistry (AREA)
GB08619007A 1985-08-07 1986-08-04 Well drilling fluids, fluid loss additives therefor and preparation of such additives Expired GB2178785B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858519823A GB8519823D0 (en) 1985-08-07 1985-08-07 Fluid loss additive for well drilling fluids

Publications (3)

Publication Number Publication Date
GB8619007D0 GB8619007D0 (en) 1986-09-17
GB2178785A GB2178785A (en) 1987-02-18
GB2178785B true GB2178785B (en) 1988-05-25

Family

ID=10583439

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858519823A Pending GB8519823D0 (en) 1985-08-07 1985-08-07 Fluid loss additive for well drilling fluids
GB08619007A Expired GB2178785B (en) 1985-08-07 1986-08-04 Well drilling fluids, fluid loss additives therefor and preparation of such additives

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858519823A Pending GB8519823D0 (en) 1985-08-07 1985-08-07 Fluid loss additive for well drilling fluids

Country Status (1)

Country Link
GB (2) GB8519823D0 (en)

Also Published As

Publication number Publication date
GB2178785A (en) 1987-02-18
GB8519823D0 (en) 1985-09-11
GB8619007D0 (en) 1986-09-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee