GB2362904B - Improved jar mechanism - Google Patents
Improved jar mechanismInfo
- 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
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)
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)
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)
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 |
-
2001
- 2001-05-12 GB GB0111625A patent/GB2362904B/en not_active Expired - Lifetime
Patent Citations (5)
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 |