Oilwell testing in a GOM long-distance subsea tieback ///

King and King West oil fields are in the GOM and 100% BP operated. The fields include three subsea wells: King D5 and D6 wells and King West D3 well, located in 5,200-ft to 5,400-ft water depths. The wells are tied back to the Marlin TLP in 3,200-ft water depth. D3 well is connected to D5 well through a 2.3-mi, 6-in. by 10-in. pipe-in-pipe flowline. D5 and D6 are connected to the TLP via 17-mi, 8-in. × 12-in., dual actively heated west and east flowlines, respectively, Fig. 1. A remotely-operated, subsea-pigging valve located close to D6 is normally open. D5 and D6 are producing from the same reservoir, while D3 produces from another reservoir. For reservoir management purposes, D3 is equipped with a SubSea MultiPhase FlowMeter (SS MPFM) located in a jumper between the wellhead and the flowline.

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