It is composed of wellhead spool, primary mandrel hanger, secondary mandrel hanger, tubing hanger and integral Christmas tree. <br>
The integral structure reduces the drilling and completion operation time and reduces the drilling and completion operation cost. <br>
The blowout preventer components are installed once to complete the entire drilling process, improving the efficiency of drilling and completion operations.

Two parallel oil pipes are installed in the same production casing, and two independent oil (gas) production channels are formed through the wellhead.
The production of two oil and gas layers can be completed without drilling two wellbores.
Improve operating efficiency and reduce production costs.
The performance is stable and reliable.