GB2254646B - Locking tool - Google Patents

Locking tool

Info

Publication number
GB2254646B
GB2254646B GB9206388A GB9206388A GB2254646B GB 2254646 B GB2254646 B GB 2254646B GB 9206388 A GB9206388 A GB 9206388A GB 9206388 A GB9206388 A GB 9206388A GB 2254646 B GB2254646 B GB 2254646B
Authority
GB
United Kingdom
Prior art keywords
locking tool
locking
tool
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 - Lifetime
Application number
GB9206388A
Other versions
GB9206388D0 (en
GB2254646A (en
Inventor
Colin Mchardy
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.)
Petroline Wellsystems Ltd
Original Assignee
Petroline Wireline Services 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 Petroline Wireline Services Ltd filed Critical Petroline Wireline Services Ltd
Publication of GB9206388D0 publication Critical patent/GB9206388D0/en
Publication of GB2254646A publication Critical patent/GB2254646A/en
Application granted granted Critical
Publication of GB2254646B publication Critical patent/GB2254646B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • E21B31/107—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Clamps And Clips (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
GB9206388A 1991-03-28 1992-03-24 Locking tool Expired - Lifetime GB2254646B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919106737A GB9106737D0 (en) 1991-03-28 1991-03-28 Locking tool

Publications (3)

Publication Number Publication Date
GB9206388D0 GB9206388D0 (en) 1992-05-06
GB2254646A GB2254646A (en) 1992-10-14
GB2254646B true GB2254646B (en) 1994-05-18

Family

ID=10692423

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919106737A Pending GB9106737D0 (en) 1991-03-28 1991-03-28 Locking tool
GB9206388A Expired - Lifetime GB2254646B (en) 1991-03-28 1992-03-24 Locking tool

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919106737A Pending GB9106737D0 (en) 1991-03-28 1991-03-28 Locking tool

Country Status (1)

Country Link
GB (2) GB9106737D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6948560B2 (en) * 2004-02-25 2005-09-27 Varco I/P, Inc. Jar for use in a downhole toolstring

Also Published As

Publication number Publication date
GB9206388D0 (en) 1992-05-06
GB9106737D0 (en) 1991-05-15
GB2254646A (en) 1992-10-14

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20120323