液动冲击器工作性能是影响冲击旋转钻井技术现场应用效果的主要因素之一。
The working performance of the hydraulic percussion impactor is one of the main factors which affect its working effect in practice.
本发明可用于各种旋转机械，特别适用于承受重载、强冲击的石油钻井机械。
The sliding bearing can be used for various revolving machinery, in particular to oil drilling machinery enduring heavy load and strong impact.
旋转冲击钻井技术依靠冲击器产生冲击载荷并作用在钻头上来破碎岩石。该技术能够有效提高硬地层钻井速度，能够防止硬地层及复杂地层钻井中的井斜问题。
The rotary percussion drilling technology have the advantage to raise the hard rock well drilling speed effectively, prevent the borehole deviation in the hard rock or the complicated geologic strata.
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