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U.S. Department of Energy
Office of Scientific and Technical Information

Placement and retrieval barge for off-shore well drilling

Patent ·
OSTI ID:5967636
A placement and retrieval modular barge arrangement for offshore well drilling equipment comprising at least two separable barge sections having an arrangement for being joined together, each barge section being made of a floatable hull having a deck capable of carrying thereon sections of a blow-out collar or other equipment, the barge having a central opening formed therein for surrounding a well drilling derrick when the barge sections are joined together, each barge section being provided with a radially movable platform arrangement slidably supported in the hull thereof, and an arrangement for actuating the platform arrangement to retract it to the confines of the central opening or extend it therefrom a distance sufficient to support a blow-out collar or other equipment during assembly or disassembly thereof.
Assignee:
EDB-83-146473
Patent Number(s):
US 4385578
OSTI ID:
5967636
Country of Publication:
United States
Language:
English

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