ROTATING HANGER

摘要

A casing hanger assembly is provided. In one embodiment, a system includes a casing hanger (22, 32) and a landing shoulder (24, 66) for receiving the casing hanger and supporting the casing hanger within a wellhead (16, 34, 36). The casing hanger and the landing shoulder have complementary features (52, 68) that cooperate to inhibit rotation of the casing hanger with respect to the landing shoulder. Additional systems, devices, and methods are also disclosed.