Execution of New Drillship Project – Perspectives from Owner, Class, Builder and Designer

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Drillships have proven to be an attractive type of mobile offshore drilling unit due to their excellent mobility and large variable load capacity. The technical challenges of the new generation of ultra deepwater drillships include greater efficiency and increased capability of both facility and hull structural design. Modern ultra deepwater drillship designs, i.e., sixth generation and beyond, are capable of operating in water depths of up to 12,000 feet and drilling depths of up to 40,000 ft. These drillships feature new developments in design and operation that require cooperation and collaboration by the designer, builder, owner and classification society. Compared with earlier generation designs, these new ultra deepwater drillships present unique challenges in their design, construction and classification.

The paper presents how these challenges were addressed in a recent drillship new construction project from the perspective of the owner, classification society, builder and designer. This includes the design itself, construction techniques applied, owner’s requirements and classification design verification. Several special aspects of this drillship, including Metacentric Height-controlled drilling and variable draft operation, are also addressed.

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Additional Details

Contact Person - Ms Norela Buang

Contact Number - 6516 4314

Organizer - Joint Branch of the RINA and the IMarEST (Singapore), Society of Naval Architects & Marine Engineers Singapore, Society of Naval Architects and Marine Engineers & CORE (NUS)


Date And Time

11 Jun 2014 @ 06:15 PM

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