Hydraulic and earth engineering – Marine structure or fabrication thereof – With work deck vertically adjustable relative to floor
Patent
1997-10-10
2000-04-11
Lillis, Eileen Dunn
Hydraulic and earth engineering
Marine structure or fabrication thereof
With work deck vertically adjustable relative to floor
4051951, 405203, E02B 1704
Patent
active
060481358
ABSTRACT:
A mobile offshore drilling unit includes a hull member having an opening of predetermined size for receiving a separately fabricated, interchangeable, rig block, which further includes a draw works, a drilling floor, a diesel driver, an electric generator, a derrick, and at least one each of a mud pump, mud tank, a fuel tank, and a drilling water tank. The method of constructing such a unit includes constructing the hull member at a marine shipyard and fabricating the interchangeable rig block at a remote location. The rig block is constructed with the main deck having a drilling floor and mounting a draw works thereon; constructing a machinery deck with a diesel driver, an electric generator, and at least one mud pump; and constructing a tank deck with at least one each of a fuel tank and a water tank.
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"A Primer of Offshore Operations", Second Edition, by Ron Baker, Petroleum Extension Service, Division of Continuing Education, The University of Texas at Austin, 1985.
Baucke Thomas C.
Williford Frank B.
Ensco International Incorporated
Lagman Frederick L.
Lillis Eileen Dunn
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