● Design casing head and tubing head to a integral to meet operation space
● No need to replace BOP during drilling,
● Working Pressure：2000Psi~20000Psi
● Working Medium：oil、Natural gas、mud
● Working Temperature：-46℃~121℃（Class L.U）
● Material Class：AA、BB、CC、DD、EE、FF
● Specification level：PSL1~PSL4
● Performance level：PR1~PR2
●井口为整体式设计，结构紧凑，满足作业空间受限制的场合
●钻井过程中无需更换防喷器，芯轴式悬挂器有泥浆循环槽
●工作压力：2000Psi~20000Psi
●工作介质：石油、天然气、泥浆
●工作温度：-46℃~121℃（L.U级）
●材料级别：AA、BB、CC、DD、EE、FF
●规范级别：PSL1~PSL4
●性能级别：PR1~PR2
