GB2014216A - Drilling, Workover and Completion Fluids for Wells - Google Patents

Drilling, Workover and Completion Fluids for Wells

Info

Publication number
GB2014216A
GB2014216A GB7903939A GB7903939A GB2014216A GB 2014216 A GB2014216 A GB 2014216A GB 7903939 A GB7903939 A GB 7903939A GB 7903939 A GB7903939 A GB 7903939A GB 2014216 A GB2014216 A GB 2014216A
Authority
GB
United Kingdom
Prior art keywords
drilling
apatite
workover
wells
completion 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.)
Withdrawn
Application number
GB7903939A
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.)
Milchem Inc
Original Assignee
Milchem 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 Milchem Inc filed Critical Milchem Inc
Publication of GB2014216A publication Critical patent/GB2014216A/en
Withdrawn legal-status Critical Current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
    • C09K8/145—Clay-containing compositions characterised by the composition of the clay

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • External Artificial Organs (AREA)
  • Lubricants (AREA)

Abstract

An acid soluble weighting agent for use in drilling, completion and workover fluids for subterranean wells, is selected from fluor-apatite, chlor-apatite, hydroxy-apatite, carbonate-apatite and collophane. It may be used in oil or aqueous drilling fluids for drilling, completing and working over a subterranean well, and can be dissolved by acid.
GB7903939A 1978-02-13 1979-02-05 Drilling, Workover and Completion Fluids for Wells Withdrawn GB2014216A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87748378A 1978-02-13 1978-02-13

Publications (1)

Publication Number Publication Date
GB2014216A true GB2014216A (en) 1979-08-22

Family

ID=25370064

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7903939A Withdrawn GB2014216A (en) 1978-02-13 1979-02-05 Drilling, Workover and Completion Fluids for Wells

Country Status (3)

Country Link
GB (1) GB2014216A (en)
NL (1) NL7900074A (en)
NO (1) NO783893L (en)

Also Published As

Publication number Publication date
NO783893L (en) 1979-08-14
NL7900074A (en) 1979-08-15

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)