GB2192214B - Drilling fluids - Google Patents

Drilling fluids

Info

Publication number
GB2192214B
GB2192214B GB8616389A GB8616389A GB2192214B GB 2192214 B GB2192214 B GB 2192214B GB 8616389 A GB8616389 A GB 8616389A GB 8616389 A GB8616389 A GB 8616389A GB 2192214 B GB2192214 B GB 2192214B
Authority
GB
United Kingdom
Prior art keywords
drilling fluids
drilling
fluids
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
GB8616389A
Other versions
GB2192214A (en
GB8616389D0 (en
Inventor
Makoto Yanagita
Yukihiko Sekimoto
Shoichi Kanda
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.)
Nitto Chemical Industry Co Ltd
Original Assignee
Nitto Chemical Industry Co Ltd
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 Nitto Chemical Industry Co Ltd filed Critical Nitto Chemical Industry Co Ltd
Priority to GB8616389A priority Critical patent/GB2192214B/en
Publication of GB8616389D0 publication Critical patent/GB8616389D0/en
Publication of GB2192214A publication Critical patent/GB2192214A/en
Application granted granted Critical
Publication of GB2192214B publication Critical patent/GB2192214B/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
    • C09K8/22—Synthetic organic compounds
GB8616389A 1986-07-04 1986-07-04 Drilling fluids Expired GB2192214B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8616389A GB2192214B (en) 1986-07-04 1986-07-04 Drilling fluids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8616389A GB2192214B (en) 1986-07-04 1986-07-04 Drilling fluids

Publications (3)

Publication Number Publication Date
GB8616389D0 GB8616389D0 (en) 1986-08-13
GB2192214A GB2192214A (en) 1988-01-06
GB2192214B true GB2192214B (en) 1989-12-20

Family

ID=10600598

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8616389A Expired GB2192214B (en) 1986-07-04 1986-07-04 Drilling fluids

Country Status (1)

Country Link
GB (1) GB2192214B (en)

Also Published As

Publication number Publication date
GB2192214A (en) 1988-01-06
GB8616389D0 (en) 1986-08-13

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Legal Events

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

Effective date: 19940704