Sakhalin Energy Investment Company has refurbished and redeployed the Molikpaq, an arctic offshore drilling caisson originally designed for use in the Canadian Beaufort Sea. The original structure has been deepened by adding a new pontoon base, named the 'Spacer', and converted into a drilling and production unit. It is now placed 16 km off the coast of Sakhalin Island as the first production unit in the Russian subarctic. This paper describes the design of the 15,000 tonne Spacer unit, its fabrication in Russia and the mating of the Spacer to the 35,000 tonne modified Molikpaq structure at a Korean shipyard. The paper also describes the inter-relationships among the participants involved in this fast track project; the challenges of designing for a new frontier area with severe wave, seismic and ice loadings; and the challenges for the Russians and the Owners of building a new type of structure in a yard designed for building submarines.
Spacer design and fabrication for Sakhalin II project
1999
12 Seiten, 7 Quellen
Aufsatz (Konferenz)
Englisch
Spacer Design and Fabrication for Sakhalin II Project
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