The TCM-ET tubing head is one of the most widely used tubing head designs in the wellhead industry. It incorporates a straight bowl design and can accommodate almost any TC tubing hanger that does not require an alignment pin. This includes the TC-1W Wrap-around pack-off used on BO-2 and BO-10 coupling type completions.
The TCM-ET tubing head utilizes “ET” style Lock Down Screws (LDS) in the upper flange to retain a tubing hanger or tubing wraparound pack-off
It does not utilize any alignment pins
It is available with either threaded or studded outlets
The TCM-ET tubing head has a secondary seal area in the lower flange
It has a test port in the lower flange to test the secondary seals and the flanged connection