GB2255993B - Method for releasing a stuck pipe - Google Patents

Method for releasing a stuck pipe

Info

Publication number
GB2255993B
GB2255993B GB9210122A GB9210122A GB2255993B GB 2255993 B GB2255993 B GB 2255993B GB 9210122 A GB9210122 A GB 9210122A GB 9210122 A GB9210122 A GB 9210122A GB 2255993 B GB2255993 B GB 2255993B
Authority
GB
United Kingdom
Prior art keywords
releasing
stuck pipe
stuck
pipe
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 - Fee Related
Application number
GB9210122A
Other versions
GB9210122D0 (en
GB2255993A (en
Inventor
Peter Anthony Bern
Yvonne Margare Bushnell-Watson
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.)
BP PLC
Original Assignee
BP PLC
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 BP PLC filed Critical BP PLC
Publication of GB9210122D0 publication Critical patent/GB9210122D0/en
Publication of GB2255993A publication Critical patent/GB2255993A/en
Application granted granted Critical
Publication of GB2255993B publication Critical patent/GB2255993B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C09K8/03—Specific additives for general use in well-drilling compositions
    • C09K8/035—Organic additives
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/035—Fishing for or freeing objects in boreholes or wells controlling differential pipe sticking

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
GB9210122A 1991-05-20 1992-05-11 Method for releasing a stuck pipe Expired - Fee Related GB2255993B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919110847A GB9110847D0 (en) 1991-05-20 1991-05-20 Method for releasing a stuck pipe

Publications (3)

Publication Number Publication Date
GB9210122D0 GB9210122D0 (en) 1992-06-24
GB2255993A GB2255993A (en) 1992-11-25
GB2255993B true GB2255993B (en) 1995-01-18

Family

ID=10695277

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919110847A Pending GB9110847D0 (en) 1991-05-20 1991-05-20 Method for releasing a stuck pipe
GB9210122A Expired - Fee Related GB2255993B (en) 1991-05-20 1992-05-11 Method for releasing a stuck pipe

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919110847A Pending GB9110847D0 (en) 1991-05-20 1991-05-20 Method for releasing a stuck pipe

Country Status (2)

Country Link
GB (2) GB9110847D0 (en)
NO (1) NO921968L (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174129A (en) * 1985-04-15 1986-10-29 Exxon Chemical Patents Inc The use of mono- and polyalkylene glycol ethers as agents for the release of differentially stuck drill pipe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174129A (en) * 1985-04-15 1986-10-29 Exxon Chemical Patents Inc The use of mono- and polyalkylene glycol ethers as agents for the release of differentially stuck drill pipe

Also Published As

Publication number Publication date
NO921968D0 (en) 1992-05-19
GB9210122D0 (en) 1992-06-24
GB9110847D0 (en) 1991-07-10
GB2255993A (en) 1992-11-25
NO921968L (en) 1992-11-23

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Legal Events

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

Effective date: 19960511