China Merchants Heavy Industry (jiangsu) Co., Ltd.

Fan Zhang

Lixin Xu

Jiancheng Liu

Zhengquan Zhou

Mingyuan Sun

Jinguang Wang

Siming Wang

A floating drilling platform for offshore oil/gas drilling and exploration in ice-infested polar areas comprises a deck module, a hard compartment, and a soft compartment sequentially connected from top to bottom. The bottom of the deck module is connected to the top of the hard compartment by evenly distributed column. Both the hard and the soft compartments are cylinders centrally arranged with center wells. The deck module is also centrally arranged with a center well. The hard compartment, the soft compartment and the deck module are coincident with a centerline. The outer diameter of the soft compartment, as well as that of the deck module, is larger than that of the hard compartment. The top of the hard compartment is designed with a circular inclined plane upwardly and outwardly arranged at the outer edge. The top of the circular inclined plane is connected to the bottom of the deck module.

Floating drilling platform for offshore oil / gas drilling and exploration in ice-infested polar areas

An offshore floating platform for operating in ice-infested waters and harsh environment for oil/gas drilling and exploration in Arctic area comprises four (4) sections, i.e., an upper cone, a transition section, a lower cone and a bottom frame. The upper cone, the transition section, the lower cone and the bottom frame are coincident with a centerline, and a through center well is designed around the centerline from top to bottom. The diameter at the bottom frame is smaller than that of the main body of the center well. The upper cone, the transition section and the lower cone are internally connected and divided into plural compartments. Through ballast compartments are designed outside the sidewall of the upper cone, the transition section and the lower cone vertically connected with a consistent cross-sectional area from top to bottom. Plural ballast compartments and void compartments are arranged within the bottom frame.

Offshore floating drilling platform for operation in ice-infested waters and harsh environment

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Nantong, China

Fan Zhang