Patent ID: 6968902

Claim:
A method of drilling and completing a plurality of subsea wells, comprising: (a) with a well drilling derrick assembly on a floating platform, connecting a drilling riser to a first wellhead housing, drilling and casing a first well, then running a string of tubing and landing a tubing hanger in the first wellhead housing; (b) with the well drilling derrick assembly on the floating platform, disconnecting the drilling riser from the first wellhead housing, connecting the drilling riser to a second wellhead housing, and performing operations on a second well; and (c) while performing at least part of the operations on the second well in step (b), connecting to a production tree lift line from a lift line winch that is on the same floating platform and spaced away from the well drilling derrick assembly, and lowering the production tree on the lift line to the first wellhead housing and connecting the tree to the first wellhead housing.