GB1296910A - - Google Patents

Info

Publication number
GB1296910A
GB1296910A GB1296910DA GB1296910A GB 1296910 A GB1296910 A GB 1296910A GB 1296910D A GB1296910D A GB 1296910DA GB 1296910 A GB1296910 A GB 1296910A
Authority
GB
United Kingdom
Prior art keywords
hull
columns
transit
hulls
offshore
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
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 filed Critical
Publication of GB1296910A publication Critical patent/GB1296910A/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
    • 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
    • B63B1/04—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
    • B63B2001/044—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull with a small waterline area compared to total displacement, e.g. of semi-submersible type
    • 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
    • B63B1/14—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected resiliently or having means for actively varying hull shape or configuration
    • B63B2001/145—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected resiliently or having means for actively varying hull shape or configuration having means for actively varying hull shape or configuration

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)
  • Bridges Or Land Bridges (AREA)

Abstract

1296910 Offshore structures OFFSHORE TECHNOLOGY CORP 18 June 1970 [7 July 1969] 29565/70 Heading E1H A floating platform for a drilling derrick 36 includes hulls 22, 34 and buoyancy columns 26 attached by universal joints 28, the hulls being interconnected by columns 30 and a tube 56 containing an elevator (not shown). Mechanisms are provided in the hull 34 to move or fix the columns 30 relative thereto as required, Figs. 16 to 18 (not shown). Tanks 24 in the hull 22 and compartments in the columns 26, Figs. 12 and 14 (not shown), can be flooded for ballasting purposes. When in situ the hull 22 is submerged and the hull 34 is held above the surface 32, as shown; and when in transit the hull 22 floats at the surface with the hull 34 resting thereon and the columns 26 float horizontally, Fig. 2 (not shown). The columns 26 may be detached when in transit.
GB1296910D 1969-07-07 1970-06-18 Expired GB1296910A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83922369A 1969-07-07 1969-07-07

Publications (1)

Publication Number Publication Date
GB1296910A true GB1296910A (en) 1972-11-22

Family

ID=25279178

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1296910D Expired GB1296910A (en) 1969-07-07 1970-06-18

Country Status (3)

Country Link
FR (1) FR2054214A5 (en)
GB (1) GB1296910A (en)
NL (1) NL7009978A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153749A (en) * 1984-02-13 1985-08-29 Robin Shipyard Stabilized jack-up mobile offshore drilling platform
GB2489935A (en) * 2011-04-08 2012-10-17 Ocean Surveys Sciences And Engineering Associates Ltd A vessel with a buoyancy device movable with respect to the vessel's hull
WO2016114820A1 (en) * 2015-01-12 2016-07-21 Bp Corporation North America Inc. Floating deep draft semi-submersible offshore platforms and methods for assembling and deploying same
GB2549092B (en) * 2016-03-31 2018-10-24 Johnston Edward A marine vessel with a body section movably supported above a submerged hull section

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441020A1 (en) * 1978-11-09 1980-06-06 Lapaix Andre Anchorable barge to form landing stage - uses vertical columns attached to ballast tank to control height, with electro-valves used to control ballast movement
FR2713588B1 (en) * 1993-12-09 1996-03-01 Technip Geoproduction Self-elevating platform for deep oil exploitation.
MY164065A (en) * 2010-04-15 2017-11-15 Horton Wison Deepwater Inc Unconditionally stable floating offshore platforms

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153749A (en) * 1984-02-13 1985-08-29 Robin Shipyard Stabilized jack-up mobile offshore drilling platform
GB2489935A (en) * 2011-04-08 2012-10-17 Ocean Surveys Sciences And Engineering Associates Ltd A vessel with a buoyancy device movable with respect to the vessel's hull
WO2016114820A1 (en) * 2015-01-12 2016-07-21 Bp Corporation North America Inc. Floating deep draft semi-submersible offshore platforms and methods for assembling and deploying same
GB2549092B (en) * 2016-03-31 2018-10-24 Johnston Edward A marine vessel with a body section movably supported above a submerged hull section

Also Published As

Publication number Publication date
FR2054214A5 (en) 1971-04-16
NL7009978A (en) 1971-01-11

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees