Integral wellhead device and christmas tree
The integrated horizontal oil production wellhead device is used for oil production on offshore platforms. There are upper chamber, middle chamber and lower chamber in the wellhead body. The lower ends of the upper cavity and the middle cavity are respectively provided with a conical shoulder. There is a tubing hanger in the upper chamber. The lower end of the tubing hanger is provided with a connecting thread for connecting the tubing. The tubing hanger has an oil outlet. A pneumatic and hydraulic safety valve and a throttle valve are fixed on the outer wall of the wellhead body. The reducing flange, wax removal valve and Christmas tree cap are at the upper end of the wellhead body. A completion casing hanger and an intermediate casing hanger are arranged in the middle cavity of the wellhead body. WD casing hanger is installed in the lower cavity of the wellhead body.
Basic parameters
Main diameter of Christmas tree: 1 13/16 "~ 7-1/16"
Working pressure: 2000PSI~20000PSI
Temperature class: KX
Material grade: AA, BB, CC, DD, EE, FF, HH
Specification level: PSL1~PSL3G
Performance level: PR1~PR2
Executive standard: API SPEC 6A