1. By applying the remote hydraulic blowout preventer in the wellhead, manual multi-stage control, remote hydraulic blowout prevention comes into true. 井口采用远程液压防喷盒,实现了多级远程液压防喷密封手动控制系统,工艺 技术性能稳定。2) spray arrester 泥浆防喷盒3) blowout preventer of stuffing ...
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