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- Exact Prediction and calculation of mechanical property and drillability of rock can provide the necessary base for the optimization of bits and designing parameters, thereby quickening penetration. 准确预测和计算岩石的力学性质和可钻性是有针对性地优选钻头、优化设计参数,从而提高钻井速度的重要依据。
- Drillability of rocks is the foundation of selecting and designing drill bits rationally, and optimizing drilling recommendations. 摘要岩石的可钻性是合理选择和设计钻头、优选钻进参数的重要依据。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- The mountain rise up in a steep wall of rock. 这座山高而陡,形成一道岩石屏障。
- The mountain rose up in a steep wall of rock. 这座山高而陡,形成一道岩石屏障。
- A spur of rock stuck out from the mountain. 山背上突起一个石脊。
- He managed to hang on to a piece of rock protruding from the cliff. 他设法抓住了悬崖上向外伸出的岩石。
- physical-mechanical properties and drillability of rocks 岩石物理力学性质与可钻性
- They drilled through several layers of rock to reach the oil. 他们钻透了几层岩石以寻找石油。
- Pieces of rock plummeted down the mountainside to the ground below. 岩石一块块顺著山的陡坡滚落到地面。
- During the earth tremor a large piece of rock chopped out of the ground. 在一阵轻微的地震中,一大块岩石突然从地下露出地面。
- We finally got at a ledge of rock near the summit. 我们最后到达了靠近峰顶的一块突出的岩崖。
- The slow movement of rock debris and soil down a weathered slope. 蠕动岩石碎片和土壤沿着受风雨侵蚀的滑坡向下缓慢移动
- A fall of rocks blocked the road. 掉落的岩石把路封住了。
- There are two types of rocks in this area. 这个地区有两种类型的岩石。
- drillability of rock 岩石可钻性
- He managed to hang on to a piece of rock protruding from the cliff face. 他设法抓住悬崖表面向外伸出的岩石。
- An unconsolidated mixture of rock fragments or pebbles. 砾石岩石碎片或卵石的松散的混合物
- The river had been bridged with slabs of rock. 用石板在河上架了桥。
- This method was applied to predict the formation drillability of Fugu 1 Well in Changqing Oilfield. 应用该方法对长庆油田富古1井的地层可钻性进行了预测。