FR2101611A5 - Offshore floating well platform with vert-ic - Google Patents

Offshore floating well platform with vert-ic

Info

Publication number
FR2101611A5
FR2101611A5 FR7125547A FR7125547A FR2101611A5 FR 2101611 A5 FR2101611 A5 FR 2101611A5 FR 7125547 A FR7125547 A FR 7125547A FR 7125547 A FR7125547 A FR 7125547A FR 2101611 A5 FR2101611 A5 FR 2101611A5
Authority
FR
France
Prior art keywords
vert
annular volume
upper portion
lower portion
offshore floating
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
FR7125547A
Other languages
French (fr)
Inventor
Blenkarn
Kenneth Ardley
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.)
BP America Production Co
Original Assignee
BP America Production Co
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 BP America Production Co filed Critical BP America Production Co
Priority to FR7125547A priority Critical patent/FR2101611A5/en
Application granted granted Critical
Publication of FR2101611A5 publication Critical patent/FR2101611A5/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/107—Semi-submersibles; Small waterline area multiple hull vessels and the like, e.g. SWATH

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Revetment (AREA)
  • Earth Drilling (AREA)

Abstract

A floating offshore well drilling or production platform has a deck supported at the upper ends of three or more vertical floats whose lower ends are connected by nominally vertical ties to anchor points on the sea bed. Each float has a slender upper portion and an enlarged lower portion, and the notional annular volume internally of the lower portion around the projection of the upper portion constitutes from 40 to 60% of the total displacement below the still-water line. The annular volume lies below the trough of the design wave to minimise forces exerted by wave action.
FR7125547A 1971-07-12 1971-07-12 Offshore floating well platform with vert-ic Expired FR2101611A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7125547A FR2101611A5 (en) 1971-07-12 1971-07-12 Offshore floating well platform with vert-ic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7125547A FR2101611A5 (en) 1971-07-12 1971-07-12 Offshore floating well platform with vert-ic

Publications (1)

Publication Number Publication Date
FR2101611A5 true FR2101611A5 (en) 1972-03-31

Family

ID=9080261

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7125547A Expired FR2101611A5 (en) 1971-07-12 1971-07-12 Offshore floating well platform with vert-ic

Country Status (1)

Country Link
FR (1) FR2101611A5 (en)

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Legal Events

Date Code Title Description
ST Notification of lapse