The tubing head consists of tubing head spool, tubing hanger, packing device, jacking screw, gate valve, pressure gauge and flange. Installed on the casing head, it mainly bears the pressure in the tubing string and the load of the tubing string, Christmas tree and other devices. The bottom flange is equipped with secondary sealing mechanism and sealing test port of production casing. The oil pipe head and its reducing joint can be used for direct cable crossing or cable crossing as a whole, and control pipeline interface can be set. Back pressure thread can be set at the oil pipe head according to the needs.

※ Basic parameters
Nominal size: 7 1 / 16 "~ 21-1 / 4"
Working pressure: 5000PSI ~ 15000psi
Temperature class: Ku
Material grade: AA, BB, CC, DD, EE, FF, HH
Specification level: PSL1 ~ psl4
Performance level: PR1 ~ PR2