UNDERWATER DRILLING RIG ASSEMBLY AND METHOD OF OPERATING THE UNDERWATER DRILLING RIG ASSEMBLY
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United States of America Patent
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Issued Date -
Jul 16, 2015
app pub date -
Jan 8, 2015
filing date -
Jan 16, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An underwater drilling rig assembly includes a hull anchored to a sea floor with at least one anchoring component. Also included is a rig assembly disposed on the hull. Further included is a mast unit of the rig assembly. Yet further included is a pipe handling unit configured to maneuver a drill pipe into operative communication with the mast unit. Also included is a drill bit assembly operatively coupled to the mast unit. Further included is a control unit positioned proximate the sea floor and in operative communication with a plurality of components of the underwater drilling rig assembly, the control unit operatively coupled to at least one surface vessel for remote control of the underwater drilling rig assembly.
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