Tie-in system uses low-cost flanges on deepwater Girassol development

TotalFinElf SA’s Girassol deepwater project started up off West Africa in December 2001. Stolt Offshore SA’s application on Girassol of its modular advanced tie-in system (MATIS) using low-cost flanges represents the kind of technological advance that is making deepwater and ultra-deepwater developments, particularly subsea tie-ins, economic and efficient.In general, capital expenditure (CAPEX) for subsea tie-back projects in deepwater is evenly split between the wells and the flowlines. Consequently, reductions in the costs of the flowlines can affect the economics of a project. Flowline costs consist of line pipe and coating, installation, and tie-in. Line pipe costs and ins...

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