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GB9018018D0 - Wellhead cut and pull spear - Google Patents

Wellhead cut and pull spear

Info

Publication number
GB9018018D0
GB9018018D0 GB909018018A GB9018018A GB9018018D0 GB 9018018 D0 GB9018018 D0 GB 9018018D0 GB 909018018 A GB909018018 A GB 909018018A GB 9018018 A GB9018018 A GB 9018018A GB 9018018 D0 GB9018018 D0 GB 9018018D0
Authority
GB
United Kingdom
Prior art keywords
wellhead
cut
pull spear
spear
pull
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
Application number
GB909018018A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tri State Oil Tool UK Ltd
Tri State Oil Tools Inc
Original Assignee
Tri State Oil Tool UK Ltd
Tri State Oil Tools Inc
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 Ltd, Tri State Oil Tools Inc filed Critical Tri State Oil Tool UK Ltd
Priority to GB909018018A priority Critical patent/GB9018018D0/en
Publication of GB9018018D0 publication Critical patent/GB9018018D0/en
Priority to NO91913216A priority patent/NO913216L/no
Priority to EP91307588A priority patent/EP0471588A1/en
Pending legal-status Critical Current

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)
GB909018018A 1990-08-16 1990-08-16 Wellhead cut and pull spear Pending GB9018018D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB909018018A GB9018018D0 (en) 1990-08-16 1990-08-16 Wellhead cut and pull spear
NO91913216A NO913216L (no) 1990-08-16 1991-08-16 Griper.
EP91307588A EP0471588A1 (en) 1990-08-16 1991-08-16 Grapples

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 (1)

Publication Number Publication Date
GB9018018D0 true GB9018018D0 (en) 1990-10-03

Family

ID=10680774

Family Applications (1)

Application Number Title Priority Date Filing Date
GB909018018A Pending GB9018018D0 (en) 1990-08-16 1990-08-16 Wellhead cut and pull spear

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
NO913216D0 (no) 1991-08-16
EP0471588A1 (en) 1992-02-19
NO913216L (no) 1992-02-17

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