The drill floor and platform allow a cantilevered mast to be installed at ground floor. The mast and substructure raise into working position and hydraulic cylinders at the sides of the mast act as ...
The premise of a jackup rig is that it is self-elevating; here, the legs are stationed on ocean floor and the drilling equipment is jacked up above the water's surface. Providing a very stable ...
resting on the ocean floor. But, as time progressed, naval architects realized that the rig would maintain its stabilization if the bottles were only partially submerged, but be able to drill in ...