CA940319A - Protecting a structure in water covered with sheet ice - Google Patents

Protecting a structure in water covered with sheet ice

Info

Publication number
CA940319A
CA940319A CA133,132A CA133132A CA940319A CA 940319 A CA940319 A CA 940319A CA 133132 A CA133132 A CA 133132A CA 940319 A CA940319 A CA 940319A
Authority
CA
Canada
Prior art keywords
protecting
water covered
sheet ice
ice
sheet
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
CA133,132A
Inventor
Kenneth G. Nolte
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.)
Amoco Canada Petroleum Co Ltd
Original Assignee
Amoco Canada Petroleum Co Ltd
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 Amoco Canada Petroleum Co Ltd filed Critical Amoco Canada Petroleum Co Ltd
Application granted granted Critical
Publication of CA940319A publication Critical patent/CA940319A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/0017—Means for protecting offshore constructions
    • E02B17/0021—Means for protecting offshore constructions against ice-loads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B35/4413—Floating drilling platforms, e.g. carrying water-oil separating devices
    • 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
    • E21B7/008—Drilling ice or a formation covered by ice
    • 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
    • E21B7/128—Underwater drilling from floating support with independent underwater anchored guide base
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2211/00—Applications
    • B63B2211/06—Operation in ice-infested waters

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Earth Drilling (AREA)
CA133,132A 1971-06-09 1972-01-25 Protecting a structure in water covered with sheet ice Expired CA940319A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15133471A 1971-06-09 1971-06-09

Publications (1)

Publication Number Publication Date
CA940319A true CA940319A (en) 1974-01-22

Family

ID=22538288

Family Applications (1)

Application Number Title Priority Date Filing Date
CA133,132A Expired CA940319A (en) 1971-06-09 1972-01-25 Protecting a structure in water covered with sheet ice

Country Status (2)

Country Link
US (1) US3742715A (en)
CA (1) CA940319A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075964A (en) * 1975-08-29 1978-02-28 Global Marine, Inc. Ice melting system
US4456072A (en) * 1982-05-03 1984-06-26 Bishop Gilbert H Ice island structure and drilling method
US4498808A (en) * 1983-03-28 1985-02-12 Atlantic Richfield Company Process for prevention of ice buildup and reduction of ice forces on structures during breakup

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449963A (en) * 1946-10-24 1948-09-21 Clayton N Ward Method and means for protecting shore and other structures against damage by ice
US3129565A (en) * 1960-06-27 1964-04-21 Clifford A Bellamy Apparatus for control of water beneath ice surfaces
US3289425A (en) * 1965-07-27 1966-12-06 Exxon Research Engineering Co Ice reinforcement

Also Published As

Publication number Publication date
US3742715A (en) 1973-07-03

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