GB8623952D0 - Well tool - Google Patents
Well toolInfo
- Publication number
- GB8623952D0 GB8623952D0 GB868623952A GB8623952A GB8623952D0 GB 8623952 D0 GB8623952 D0 GB 8623952D0 GB 868623952 A GB868623952 A GB 868623952A GB 8623952 A GB8623952 A GB 8623952A GB 8623952 D0 GB8623952 D0 GB 8623952D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- well tool
- tool
- well
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
- E21B23/004—Indexing systems for guiding relative movement between telescoping parts of downhole tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/18—Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08623952A GB2185279B (en) | 1985-10-05 | 1986-10-06 | Improved well tool |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB858524619A GB8524619D0 (en) | 1985-10-05 | 1985-10-05 | Well tool |
GB08623952A GB2185279B (en) | 1985-10-05 | 1986-10-06 | Improved well tool |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8623952D0 true GB8623952D0 (en) | 1986-11-12 |
GB2185279A GB2185279A (en) | 1987-07-15 |
GB2185279B GB2185279B (en) | 1988-12-29 |
Family
ID=26289855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08623952A Expired GB2185279B (en) | 1985-10-05 | 1986-10-06 | Improved well tool |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2185279B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112145112A (en) * | 2020-11-10 | 2020-12-29 | 西南石油大学 | Electric-drive labor-throwing type milling and fishing combined tool |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2303864B (en) * | 1995-08-02 | 1999-03-03 | Philip Head | Object retrieving device |
WO2003027434A1 (en) | 2001-09-26 | 2003-04-03 | Bakke Technology As | Arrangement in a gripper mechanism for a free pipe/rodlike end portion of a downhole tool |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4113012A (en) * | 1977-10-27 | 1978-09-12 | Halliburton Company | Reclosable circulation valve for use in oil well testing |
-
1986
- 1986-10-06 GB GB08623952A patent/GB2185279B/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112145112A (en) * | 2020-11-10 | 2020-12-29 | 西南石油大学 | Electric-drive labor-throwing type milling and fishing combined tool |
Also Published As
Publication number | Publication date |
---|---|
GB2185279B (en) | 1988-12-29 |
GB2185279A (en) | 1987-07-15 |
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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 |
Effective date: 20061005 |