Semi submersible drilling rig specifications sheet


The first in a new series of GM4-D rig designs incorporating the lessons learned from the GM4000 series. Larger and more up to date drilling facilities as well as improved layout and space. Larger rig with more bouyancy and longer columns for improved motion characteristics. Bluewhale Offshore - a subsidiary of the CIMC Group – is a drilling and offshore services contractor headquartered in Singapore. Bluewhale Offshore manages a drilling rig pool consisting of five (5) semi-submersible and six (6) jack-ups. The rig pool also includes an elevating service vessel for well intervention and plugging and abandonment. Semi-submersible rigs are buoyant and, unlike jack-up rigs which rest on the seabed, float during drilling operations. A semi-submersible rig is a drilling rig that is situated on a deck space that rests on several columns which, in turn, are attached to floating pontoons. Figure 8.12 shows a semi-submersible drilling rig. In the mid 90’s Huisman was involved in the design of the Pride Amethyst 2 class semi-submersible drilling rig. The semi-submersible has a unique vertical riser storage designed by Huisman. Four semi-submersible units were built according to the Huisman design, including Huisman built riser handling crane and offshore cranes. all equipment and specifications are subject to change at any time. the west capricorn is a 6th generation ultra-deepwater semi-submersible drilling rig with operational history in the us ft gulf of mexico t 1000 for additional information please contact: seadrill marketing www.seadrill.com general t(u.s.) Diamond Offshore Drilling, Inc. is a leader in offshore drilling, providing contract drilling services to the energy industry around the globe with a total fleet of 15 offshore drilling rigs, consisting of 11 semisubmersibles and four dynamically positioned drillships. Learn More