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.