... 岩石硬度：rock hardness 岩石研磨性：rock abrasivenesss 岩石压实：rock compaction ...
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...向异性 rock anisotropy 岩石的可钻性 rock drillability 岩石的渗透率 rock permeability 岩石研磨性 rock abrasive properties （六）钻前工程 prespud operation 定井位 location determination ..
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岩石的研磨性 rock's abrasivity ; rock abrasiveness
该仪器结构简单，具有多种功能，可进行回转或冲击回转钻进法的可钻性测试及钻进规程的模拟，也可用来测试岩石研磨性。
This instrument, simple in structure and of multi-function, may be used to measuring the drillability and abrasivity of rocks, and simulate rotary or rotary-percussive drilling as well.
川西坳陷上三叠统至侏罗系地层主要表现为岩石致密、研磨性强，钻井速度慢，建井周期长。
From upper Triassic to Jurassic of west Sichuan Depression, the rock is dense, the grinding is strong, the speed of well drilling is slow and the cycle of building well is long.
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