影响钻井法钻进速度的因素主要有破岩和排渣。
The main factors affected on the drilling speed of drilling method are rock-cutting and mud discharge.
大斜度定向井斜井段易形成的岩屑床影响钻进速度、威胁钻井施工安全。
Cuttings bed is formed easily in inclined section of high Angle directional well. It affects drilling speed, threatens drilling safe.
井下液力推进器的应用在一定程度上解决了钻压的施加问题,有利于提高钻进速度。
Application of downhole hydrodynamic propulsors solves the problem of exerting WOB, and are helpful to enhancing penetration rate.
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