Integrated wellhead and Christmas tree
The integrated horizontal oil production wellhead device is used in offshore platform oil production. There are upper cavity, middle cavity and lower cavity in the wellhead body. There are a conical shoulder at the lower end of the upper cavity and the middle cavity respectively. There is a tubing hanger in the upper chamber. The lower end of the tubing hanger is provided with connecting thread for connecting the oil pipe. The tubing hanger has an oil outlet channel. A pneumatic 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 wellhead body. There are completion casing hanger and intermediate casing hanger in the middle cavity of wellhead body. There is WD casing hanger in the lower cavity of 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