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SJF型单功用箭形回压阀

SJF型单功用箭形回压阀

SJF型单功用箭形回压阀是一种具有箭形回压阀安然静泥浆截止阀分身种功用的东西。它既妙避免井下溢流重钻具内喷出,又妙避免方钻杆安然静水龙带内行的泥浆流出,削减泥浆的丧失安然静连结钻台的干净。
Double Function Arrow-shaped Back Pressure Valve Type SJF

Model “SJF” Double Function Arrow-shaped Back Pressure Valve is a integrated tool which has functions of both the arrow-shaped back pressure valve and the mud globe valve. When used, the tool can not only prevent down-hole kick from blowout, but also prevent the mud in the Kelly and hose from flowing out, thus reducing mud loss and ensuring a clean of rig floor.

作者speedyweb 作者speedyweb 澳门威尼斯人5002 cc
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