GB2362904B - Improved jar mechanism - Google Patents

Improved jar mechanism

Info

Publication number
GB2362904B
GB2362904B GB0111625A GB0111625A GB2362904B GB 2362904 B GB2362904 B GB 2362904B GB 0111625 A GB0111625 A GB 0111625A GB 0111625 A GB0111625 A GB 0111625A GB 2362904 B GB2362904 B GB 2362904B
Authority
GB
United Kingdom
Prior art keywords
jar mechanism
improved jar
improved
jar
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
GB0111625A
Other versions
GB2362904A (en
GB0111625D0 (en
GB2362904A8 (en
Inventor
David Darnell
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.)
BD Kendle Engineering Ltd
Weatherford Lamb Inc
Original Assignee
BD Kendle Engineering Ltd
Weatherford Lamb 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
Priority claimed from GB0011440A external-priority patent/GB0011440D0/en
Application filed by BD Kendle Engineering Ltd, Weatherford Lamb Inc filed Critical BD Kendle Engineering Ltd
Priority to GB0111625A priority Critical patent/GB2362904B/en
Publication of GB0111625D0 publication Critical patent/GB0111625D0/en
Publication of GB2362904A publication Critical patent/GB2362904A/en
Publication of GB2362904A8 publication Critical patent/GB2362904A8/en
Application granted granted Critical
Publication of GB2362904B publication Critical patent/GB2362904B/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
    • E21B31/113—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars hydraulically-operated
    • E21B31/1135—Jars with a hydraulic impedance mechanism, i.e. a restriction, for initially delaying escape of a restraining fluid

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)
  • Fluid-Damping Devices (AREA)
GB0111625A 2000-05-12 2001-05-12 Improved jar mechanism Expired - Lifetime GB2362904B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0111625A GB2362904B (en) 2000-05-12 2001-05-12 Improved jar mechanism

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0011440A GB0011440D0 (en) 2000-05-12 2000-05-12 Improved jar mechanism
GB0111625A GB2362904B (en) 2000-05-12 2001-05-12 Improved jar mechanism

Publications (4)

Publication Number Publication Date
GB0111625D0 GB0111625D0 (en) 2001-07-04
GB2362904A GB2362904A (en) 2001-12-05
GB2362904A8 GB2362904A8 (en) 2002-01-23
GB2362904B true GB2362904B (en) 2004-08-11

Family

ID=26244250

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0111625A Expired - Lifetime GB2362904B (en) 2000-05-12 2001-05-12 Improved jar mechanism

Country Status (1)

Country Link
GB (1) GB2362904B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003048511A1 (en) * 2001-11-27 2003-06-12 Weatherford/Lamb, Inc. Hydraulic-mechanical jar tool
RU2537722C2 (en) * 2013-04-03 2015-01-10 Общество с ограниченной ответственностью "Фирма "Радиус-Сервис" Hydraulic-mechanical jar
CN109577899B (en) * 2019-01-24 2024-01-30 西安石竹能源科技有限公司 Cable type hydraulic jar with anti-rotation structure
CN109538150B (en) * 2019-01-24 2023-10-31 西安石竹能源科技有限公司 Cable type hydraulic jar
CN109630055B (en) * 2019-01-24 2023-09-01 西安石竹能源科技有限公司 Cable type hydraulic jar with adjustable unlocking force value
CN113622821B (en) * 2021-09-15 2023-06-16 西南石油大学 Intelligent control impact oscillation tool based on radio frequency identification

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083961A2 (en) * 1982-01-06 1983-07-20 Bralorne Resources Limited Improved jar tool for drill strings
EP0110803A1 (en) * 1982-11-22 1984-06-13 Robert W. Evans Single acting hydraulic fishing jar
EP0147154A1 (en) * 1983-12-21 1985-07-03 ZWART, Klaas Johannes Wireline jar
EP0405799A1 (en) * 1989-06-29 1991-01-02 Well-Equip Limited A jar mechanism
US5267613A (en) * 1991-03-28 1993-12-07 Petroline Wireline Services Limited Upstroke jar

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083961A2 (en) * 1982-01-06 1983-07-20 Bralorne Resources Limited Improved jar tool for drill strings
EP0110803A1 (en) * 1982-11-22 1984-06-13 Robert W. Evans Single acting hydraulic fishing jar
EP0147154A1 (en) * 1983-12-21 1985-07-03 ZWART, Klaas Johannes Wireline jar
EP0405799A1 (en) * 1989-06-29 1991-01-02 Well-Equip Limited A jar mechanism
US5267613A (en) * 1991-03-28 1993-12-07 Petroline Wireline Services Limited Upstroke jar

Also Published As

Publication number Publication date
GB2362904A (en) 2001-12-05
GB0111625D0 (en) 2001-07-04
GB2362904A8 (en) 2002-01-23

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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)

Free format text: REGISTERED BETWEEN 20151022 AND 20151028

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20200813 AND 20200819

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20201119 AND 20201125

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20210225 AND 20210303

PE20 Patent expired after termination of 20 years

Expiry date: 20210511