NO965152D0 - Method and apparatus for removing the upper part of a structure on the seabed - Google Patents

Method and apparatus for removing the upper part of a structure on the seabed

Info

Publication number
NO965152D0
NO965152D0 NO965152A NO965152A NO965152D0 NO 965152 D0 NO965152 D0 NO 965152D0 NO 965152 A NO965152 A NO 965152A NO 965152 A NO965152 A NO 965152A NO 965152 D0 NO965152 D0 NO 965152D0
Authority
NO
Norway
Prior art keywords
seabed
Prior art date
Application number
NO965152A
Other languages
Norwegian (no)
Other versions
NO965152L (en
Inventor
Maarten Evert Hardon
Original Assignee
Noordhoek Overseas Equipment B
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 Noordhoek Overseas Equipment B filed Critical Noordhoek Overseas Equipment B
Publication of NO965152D0 publication Critical patent/NO965152D0/en
Publication of NO965152L publication Critical patent/NO965152L/en

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
    • 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
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/18—Anchoring or feeding in the borehole
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/12—Underwater drilling
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring

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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Water Treatment By Sorption (AREA)
NO965152A 1995-12-04 1996-12-03 Method and apparatus for removing the upper part of a structure on the seabed NO965152L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1001807A NL1001807C2 (en) 1995-12-04 1995-12-04 Method and device for removing the top part of a construction located in the seabed.

Publications (2)

Publication Number Publication Date
NO965152D0 true NO965152D0 (en) 1996-12-03
NO965152L NO965152L (en) 1997-06-05

Family

ID=19761967

Family Applications (1)

Application Number Title Priority Date Filing Date
NO965152A NO965152L (en) 1995-12-04 1996-12-03 Method and apparatus for removing the upper part of a structure on the seabed

Country Status (3)

Country Link
EP (1) EP0778392A3 (en)
NL (1) NL1001807C2 (en)
NO (1) NO965152L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2321634A (en) 1997-01-29 1998-08-05 Weatherford Lamb Tong positioning apparatus
US6827145B2 (en) 1997-01-29 2004-12-07 Weatherford/Lamb, Inc. Methods and apparatus for severing nested strings of tubulars
WO2002075097A2 (en) * 2001-03-20 2002-09-26 Weatherford/Lamb, Inc. Methods and apparatus for severing nested strings of tubulars
US8056633B2 (en) 2008-04-28 2011-11-15 Barra Marc T Apparatus and method for removing subsea structures
US20110088911A1 (en) * 2009-10-15 2011-04-21 Intermoor, Inc. Embedded multi-string well head shear

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1644560A (en) * 1925-05-25 1927-10-04 Bignell Edward Apparatus for removing piles
US3020965A (en) * 1959-08-19 1962-02-13 Jr Richard F Keller Hydraulic pile extractor
FI74095C (en) * 1986-04-30 1987-12-10 Rauma Repola Oy FOERFARANDE FOER KAPNING AV ETT AVLAONGT BETONGSTYCKE OCH SKAERANDE VERKTYG.
US5002432A (en) * 1987-07-22 1991-03-26 Dynovation Design & Engineering Inc. Device and method to cut and coil piles, casings and conductors
IT1253716B (en) * 1991-11-06 1995-08-23 METHOD AND DEVICE FOR CUTTING UNDERWATER STRUCTURES.

Also Published As

Publication number Publication date
EP0778392A3 (en) 2000-06-07
NO965152L (en) 1997-06-05
NL1001807C2 (en) 1997-06-06
EP0778392A2 (en) 1997-06-11

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application