NO913216D0 - Griper. - Google Patents
Griper.Info
- Publication number
- NO913216D0 NO913216D0 NO913216A NO913216A NO913216D0 NO 913216 D0 NO913216 D0 NO 913216D0 NO 913216 A NO913216 A NO 913216A NO 913216 A NO913216 A NO 913216A NO 913216 D0 NO913216 D0 NO 913216D0
- Authority
- NO
- Norway
- Prior art keywords
- clamp
- Prior art date
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
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/12—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground specially adapted for underwater installations
-
- 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
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/16—Grappling tools, e.g. tongs or grabs combined with cutting or destroying means
-
- 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
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Marine Sciences & Fisheries (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909018018A GB9018018D0 (en) | 1990-08-16 | 1990-08-16 | Wellhead cut and pull spear |
Publications (2)
Publication Number | Publication Date |
---|---|
NO913216D0 true NO913216D0 (no) | 1991-08-16 |
NO913216L NO913216L (no) | 1992-02-17 |
Family
ID=10680774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO91913216A NO913216L (no) | 1990-08-16 | 1991-08-16 | Griper. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0471588A1 (no) |
GB (1) | GB9018018D0 (no) |
NO (1) | NO913216L (no) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6056049A (en) * | 1998-04-01 | 2000-05-02 | Baker Hughes Incorporated | Wellhead retrieving tool |
US10662712B2 (en) * | 2018-02-19 | 2020-05-26 | Schlumberger Technology Corporation | Modular electro-mechanical assembly for downhole device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2687324A (en) * | 1951-08-13 | 1954-08-24 | Grunsky Charles | Pipe puller |
US4273372A (en) * | 1978-09-14 | 1981-06-16 | Standard Oil Company (Indiana) | Apparatus for use in lowering casing strings |
EP0154520A3 (en) * | 1984-03-02 | 1986-08-27 | Smith International (North Sea) Limited | Releasable spear for retrieving tubular members from a well bore |
GB8518192D0 (en) * | 1985-07-18 | 1985-08-21 | Smith Int North Sea | Releasable spear |
-
1990
- 1990-08-16 GB GB909018018A patent/GB9018018D0/en active Pending
-
1991
- 1991-08-16 EP EP91307588A patent/EP0471588A1/en not_active Withdrawn
- 1991-08-16 NO NO91913216A patent/NO913216L/no unknown
Also Published As
Publication number | Publication date |
---|---|
EP0471588A1 (en) | 1992-02-19 |
GB9018018D0 (en) | 1990-10-03 |
NO913216L (no) | 1992-02-17 |
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