GB8620770D0 - Downhole tool - Google Patents
Downhole toolInfo
- Publication number
- GB8620770D0 GB8620770D0 GB868620770A GB8620770A GB8620770D0 GB 8620770 D0 GB8620770 D0 GB 8620770D0 GB 868620770 A GB868620770 A GB 868620770A GB 8620770 A GB8620770 A GB 8620770A GB 8620770 D0 GB8620770 D0 GB 8620770D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- downhole tool
- downhole
- 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.)
- Pending
Links
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB868620770A GB8620770D0 (en) | 1986-08-28 | 1986-08-28 | Downhole tool |
GB08720327A GB2194573A (en) | 1986-08-28 | 1987-08-28 | Downhole tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB868620770A GB8620770D0 (en) | 1986-08-28 | 1986-08-28 | Downhole tool |
Publications (1)
Publication Number | Publication Date |
---|---|
GB8620770D0 true GB8620770D0 (en) | 1986-10-08 |
Family
ID=10603304
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB868620770A Pending GB8620770D0 (en) | 1986-08-28 | 1986-08-28 | Downhole tool |
GB08720327A Withdrawn GB2194573A (en) | 1986-08-28 | 1987-08-28 | Downhole tool |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08720327A Withdrawn GB2194573A (en) | 1986-08-28 | 1987-08-28 | Downhole tool |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB8620770D0 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0405799B1 (en) * | 1989-06-29 | 1995-03-22 | Well-Equip Limited | A jar mechanism |
NO340373B1 (en) | 2014-04-11 | 2017-04-10 | Loxley Holding As | A cable operated percussion tool for downhole operations and method for operating the percussion tool |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB441904A (en) * | 1934-12-28 | 1936-01-29 | James Allen Kammerdiner | Straight pull jar for well drilling |
GB850210A (en) * | 1959-06-22 | 1960-10-05 | Joy Mfg Co | Straight pull jar well tool and spring means therefor |
GB1370337A (en) * | 1970-10-20 | 1974-10-16 | Schlumberger Technoloty Corp | Mechanical jar |
US3963081A (en) * | 1975-04-24 | 1976-06-15 | Anderson Edwin A | Double acting mechanical jar |
US4304428A (en) * | 1976-05-03 | 1981-12-08 | Grigorian Samvel S | Tapered screw joint and device for emergency recovery of boring tool from borehole with the use of said joint |
US4376468A (en) * | 1981-01-12 | 1983-03-15 | Clark George M | Drilling jar |
-
1986
- 1986-08-28 GB GB868620770A patent/GB8620770D0/en active Pending
-
1987
- 1987-08-28 GB GB08720327A patent/GB2194573A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB8720327D0 (en) | 1987-10-07 |
GB2194573A (en) | 1988-03-09 |
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