GB2107766B - Method and apparatus for remotely cutting broken underwater guidelines - Google Patents

Method and apparatus for remotely cutting broken underwater guidelines

Info

Publication number
GB2107766B
GB2107766B GB08226321A GB8226321A GB2107766B GB 2107766 B GB2107766 B GB 2107766B GB 08226321 A GB08226321 A GB 08226321A GB 8226321 A GB8226321 A GB 8226321A GB 2107766 B GB2107766 B GB 2107766B
Authority
GB
United Kingdom
Prior art keywords
guidelines
cutting broken
remotely cutting
underwater
broken underwater
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.)
Expired
Application number
GB08226321A
Other versions
GB2107766A (en
Inventor
William S Cowan
Douglas D Hall
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.)
Armco Inc
Original Assignee
Armco 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
Priority claimed from US06/311,261 external-priority patent/US4746246A/en
Application filed by Armco Inc filed Critical Armco Inc
Publication of GB2107766A publication Critical patent/GB2107766A/en
Application granted granted Critical
Publication of GB2107766B publication Critical patent/GB2107766B/en
Expired 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/56—Towing or pushing equipment
    • B63B21/58—Adaptations of hooks for towing; Towing-hook mountings
    • B63B21/60—Quick releases
    • 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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/04—Manipulators for underwater operations, e.g. temporarily connected to well heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Shearing Machines (AREA)
GB08226321A 1981-10-14 1982-09-15 Method and apparatus for remotely cutting broken underwater guidelines Expired GB2107766B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31128781A 1981-10-14 1981-10-14
US06/311,261 US4746246A (en) 1981-10-14 1981-10-14 Remotely actuated cutting assembly for broken underwater guidelines

Publications (2)

Publication Number Publication Date
GB2107766A GB2107766A (en) 1983-05-05
GB2107766B true GB2107766B (en) 1985-02-06

Family

ID=26977811

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08226321A Expired GB2107766B (en) 1981-10-14 1982-09-15 Method and apparatus for remotely cutting broken underwater guidelines

Country Status (1)

Country Link
GB (1) GB2107766B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO153684C (en) * 1983-08-15 1986-05-07 Norsk Hydro As UNDERVANNSVERKTOEY.

Also Published As

Publication number Publication date
GB2107766A (en) 1983-05-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee