Patent ID: 7419001
Filing Date: 2008-09-02
Classification: E21B

Abstract:
1. A tubing hanger assembly for use in a well having a wellhead housing and a production casing string extending down a well bore, the tubing hanger assembly comprising: a tubing hanger housing having a production bore therethrough; a production tubing string connected to said tubing hanger housing, said production tubing string having a production bore in fluid communication with said tubing hanger housing production bore; a lower assembly at a lower end of said tubing hanger housing, said lower assembly including a bore therethrough, a sealing apparatus and a movement prevention locking apparatus, said production tubing string extending through said lower assembly bore, said sealing apparatus adapted to form a fluid-tight seal between said lower assembly and the production casing string, and said movement prevention locking apparatus adapted to lock said lower assembly to the production casing string.