The wellhead is for thickened oil,Using for gas injection, Stuffy well, oil flow production. Mainly equiped with X-mas tree, tubing head and Bottom flange. Christmas tree connect with thernal compensator,which is the entrance of steam, The other wing of the nozzle and the oil flow connection, is the export of crude oil, Steam through gas injection valve, main valve, insulation tube into the stratum .Tubing head wing valves are used to inject nitrogen or fracturing wash Wells, etc.

Specifications：

Nominal Size: 2-9/16″～3-1/8"

Working Pressure: 2000Psi～5000Psi

Highest Tem.: 345°C

Material Class: AA、BB、CC、DD、EE

Performance Grade: PR1

Specification Grade: PSL1～4