NO913216L - Griper. - Google Patents

Griper.

Info

Publication number
NO913216L
NO913216L NO91913216A NO913216A NO913216L NO 913216 L NO913216 L NO 913216L NO 91913216 A NO91913216 A NO 91913216A NO 913216 A NO913216 A NO 913216A NO 913216 L NO913216 L NO 913216L
Authority
NO
Norway
Prior art keywords
clamp
Prior art date
Application number
NO91913216A
Other languages
English (en)
Other versions
NO913216D0 (no
Inventor
Kenneth Alexander Murray
Original Assignee
Tri State Oil Tool Uk
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
Application filed by Tri State Oil Tool Uk filed Critical Tri State Oil Tool Uk
Publication of NO913216D0 publication Critical patent/NO913216D0/no
Publication of NO913216L publication Critical patent/NO913216L/no

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
    • 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 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
    • E21B31/16—Grappling tools, e.g. tongs or grabs combined with cutting or destroying means
    • 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
NO91913216A 1990-08-16 1991-08-16 Griper. NO913216L (no)

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 NO913216D0 (no) 1991-08-16
NO913216L true 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
GB2154633B (en) * 1984-03-02 1987-09-16 Smith International Releasable spear for retrieving tubular members from a well bore
GB8518192D0 (en) * 1985-07-18 1985-08-21 Smith Int North Sea Releasable spear

Also Published As

Publication number Publication date
EP0471588A1 (en) 1992-02-19
GB9018018D0 (en) 1990-10-03
NO913216D0 (no) 1991-08-16

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