钻井冲洗泵 borehole flushing pump
矿井冲压 Rock burst
钻井冲刷泵 borehole flushing pump
钻井冲洗泵联轴器 borehole flushing pump coupling
干井冲洗系统部分 dry well purge system component
井眼冲蚀 hole washout ; hole erosion ; wellbore erosion
冲洗井 flushing manhole ; flushing mperhole
冲蚀钻井 abrasion drilling ; erosion drilling
冲击钻井 boring by percussion ; percussion drill ; percussive drilling ; punching drilling
井下脉冲发生器 downhole pulser ; downhole e pulser
这样做很方便，因为压井时，将使用泵冲记数器来决定已进行的压井走了多远。
This is convenient since when killing the well the pump stroke counter will be used to determine how far the kill has proceeded.
由于携砂液向地层的滤失以及通过筛管缝隙的流体质量交换，水平井砾石充填过程中冲筛、井筒环空两个流动系统均为复杂的变质量流。
During the process of gravel-packing in horizontal Wells, there are the filtration flow of the carrier fluid to the formation and the exchange flow through the screen slots.
以抽油杆柱为研究对象，论述了斜直井游梁式抽油机冲程和冲次的计算方法。
Taking the rod string as the object of study, a method of computing pumping stroke and speed of walking beam pumping units for slant straight wells is also presented.
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