Patent ID: 8881827
Filing Date: 2014-11-11
Classification: E21B

Abstract:
1. A wellhead for subsea use, configured for working without a Christmas Tree attached, the wellhead comprising: a body having a bore therethrough and at least one side bore for provision of fluid communication through a wall of the wellhead; a pipe hanger arranged within the body and provided with a bore therethrough and a side bore being in fluid communication with the side bore of the body, the side bores providing fluid communication between a tubing string connected to the pipe hanger and a fluid line providing fluid communication between the wellhead and a distant installation, having a separate foundation from that of the wellhead; and at least one internal safety valve arranged to be able to shut off fluid communication through the wellhead, where the at least one internal safety valve] provides a second of two well barriers against an external environment and where a first well barrier against the environment is a surface-controlled subsurface safety valve.