Modular offshore drilling unit and method for construction of same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 11, 2000
Grant Date -
N/A
app pub date -
Oct 10, 1997
filing date -
Oct 10, 1997
priority date (Note) -
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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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