First subsea dual-ESP development tied back to an FPSO ///

The Mutineer and Exeter fields in the Canarvon basin offshore Western Australia were developed using subsea production wells with dual Electrical Submersible Pumps (ESP) in four wells and a mudline Multi-Phase Pump (MPP) in each field. Dual ESPs were selected to ensure maximum well availability and flexibility. Using MPPs, Santos could reduce ESP horsepower and have a phased production approach. Production from each well is commingled at the MPP suction manifold in each well center and produced through a flexible riser to an FPSO stationed 7 km from Exeter and 3 km from Mutineer in 160 m of water. The Mutineer-Exeter development is 150 km offshore, north of Dampier in Western Australia within the WA 191-P exploration permit, operated by Santos Ltd. with partners Kufpec Pty Ltd., Nippon Oil Exploration Pty Ltd., and Woodside Energy Ltd., Fig. 1. The project was Santos’ first offshore field development.

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