CA1232900A - Process for drilling a well - Google Patents

Process for drilling a well

Info

Publication number
CA1232900A
CA1232900A CA000471582A CA471582A CA1232900A CA 1232900 A CA1232900 A CA 1232900A CA 000471582 A CA000471582 A CA 000471582A CA 471582 A CA471582 A CA 471582A CA 1232900 A CA1232900 A CA 1232900A
Authority
CA
Canada
Prior art keywords
drilling
drilling fluid
fluid
well
shale
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
CA000471582A
Other languages
English (en)
French (fr)
Inventor
Gerardus M. Bol
Marinus Van Zanten
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.)
Shell Canada Ltd
Original Assignee
Shell Canada 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 Shell Canada Ltd filed Critical Shell Canada Ltd
Application granted granted Critical
Publication of CA1232900A publication Critical patent/CA1232900A/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
    • C09K8/06—Clay-free compositions
    • C09K8/08—Clay-free compositions containing natural organic compounds, e.g. polysaccharides, or derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Drilling And Boring (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
CA000471582A 1984-01-11 1985-01-07 Process for drilling a well Expired CA1232900A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08400640A GB2152552B (en) 1984-01-11 1984-01-11 Process for drilling a well
GB8400640 1984-01-11

Publications (1)

Publication Number Publication Date
CA1232900A true CA1232900A (en) 1988-02-16

Family

ID=10554811

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000471582A Expired CA1232900A (en) 1984-01-11 1985-01-07 Process for drilling a well

Country Status (8)

Country Link
AU (1) AU3764685A (it)
CA (1) CA1232900A (it)
DE (1) DE3500525A1 (it)
GB (1) GB2152552B (it)
IT (1) IT1182341B (it)
NL (1) NL8403833A (it)
NO (1) NO850093L (it)
OA (1) OA07931A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743383A (en) * 1986-11-24 1988-05-10 Phillips Petroleum Company Drilling fluid additives for use in hard brine environments

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988246A (en) * 1974-05-24 1976-10-26 Chemical Additives Company Clay-free thixotropic wellbore fluid
GB1591313A (en) * 1976-08-09 1981-06-17 Brinadd Co Wellbore fluids and dry mix additive packages for use in such fluids
GB1546560A (en) * 1978-02-10 1979-05-23 Texaco Development Corp Viscous aqueus polysaccaride solutions and oil recovery process
CA1173771A (en) * 1980-05-21 1984-09-04 Roger E. Cripps Fluid displacement with heteropolysaccharide solutions, and the microbial production of heteropolysaccharides

Also Published As

Publication number Publication date
NO850093L (no) 1985-07-12
IT1182341B (it) 1987-10-05
GB2152552B (en) 1987-08-05
IT8567012A0 (it) 1985-01-08
GB8400640D0 (en) 1984-02-15
AU3764685A (en) 1985-09-12
NL8403833A (nl) 1985-08-01
DE3500525A1 (de) 1985-08-14
OA07931A (en) 1987-01-31
GB2152552A (en) 1985-08-07
IT8567012A1 (it) 1986-07-08

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Legal Events

Date Code Title Description
MKEX Expiry