Overall Drilling Weight 整机工作重量 ; 整机工作质量
Petroleum drilling weight indicator 石油钻井指重表
Drilling weight indicating system 石油钻井指重表
suspending weight and drilling weight 悬重和钻重
weight control on drilling bit 钻压控制
drilling supply weight 钻井补给品重量
heavy-weight drilling 重泥浆钻井
Oil companies are drilling into rock layers where every square centimeter (0.16 square inch) is subject to pressure equivalent to the weight of a medium-sized car.
石油公司所开采的岩层上，每平方厘米所承受的压力相当于一辆中等大小的汽车。
Zhao Dong drilling platform is a fixed drilling platform which weight is 6200tons.
赵东油田的钻井平台为固定式钻井平台，该平台总重量达6200吨。
The results show that the vibration of drilling strings will produce the fluctuation of weight on bits by random excitation, so the bit life and drilling rate are affected largely.
结果表明，在地层随机激励作用下，钻柱的振动将会引起钻压的波动，从而影响钻头的寿命及其钻进的速度。
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