Analysis on TLP Drilling and Completion Design

TLP makes it feasible for application of dry wellhead to deepwater oil field development. Compared with conventional subsea wellhead, TLP can decrease the complexity and investment of deepwater oil field development, especially in the period of workover and operation in adjusting well. TLP has been used widely in GOM, North Sea and Indonesia. At present, there is not enough study on TLP completion design and operation procedure, which is restraint to the design of early oilfield development scenarios. Therefore, in this paper, the focus is on the influence of TLP to drilling and completion procedures. For different model rigs, TLP drilling and completion procedures are summarized. The requirements for casing tieback and heave compensation during TLP drilling and completion procedure are put forward, and the difference in temperature profile between dry wellhead and conventional water wet wellhead is analyzed in this paper, which can provide referenced for study of TLP drilling and completion technologies as well as design of early oilfield development scenarios.