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。
The need for drilling to reduce the weight of the gear, should be arranged in borehole sequence after heat treatment for.
需钻孔减轻重量的齿轮，应将钻孔序安排在热处理后进行。
The invention relates to sidewall stabilizer having protective function on sidewall in oil drilling process, comprising the following components by weight percentage: 30%-50% of bentonite;
本发明涉及一种在石油钻井过程中对井壁起保护作用的井壁稳定剂，按重量百分比该稳 定剂由以下组分组成：膨润土30％-50％；
Comparing with steel drilling pipes, the aluminium well drilling pipes are lighter in weight, more durable in use, save cost in operation and better in drilling performance.
同钢钻探管相比，铝钻探管具有质轻、使用寿命长、节约操作费用、钻探性能优良等特点。
The designed testing system in the paper can complete these tests as to air pressure, airflow rate, rotary speed, bit weight and drilling depth in the process of well drilling.
本文设计的物探钻具性能测试系统可完成对钻井过程中的空气压力、空气流量、转速、钻压、钻井深度等参数的测试。
With the new drilling line properly reeved on to the drawworks drum, pick up the weight of the traveling block, test the drawworks brake, and verify that the drilling line is tight on the drum.
当新大绳在绞车辊筒上都排好之后，上提游车，试绞车的刹车，检查辊筒上的大绳是否排紧。
Drilling parameters typically include flow rate, pump pressure, standpipe pressure (SPP), pipe rotation (RPM), weight on bit (WOB), rate of penetration (ROP) and pit volume (PVT).
流量、泵压、钻压以及机械钻速等常用钻井参数还可用于监测井涌和泥浆漏失。
Drilling parameters typically include flow rate, pump pressure, standpipe pressure (SPP), pipe rotation (RPM), weight on bit (WOB), rate of penetration (ROP) and pit volume (PVT).
流量、泵压、钻压以及机械钻速等常用钻井参数还可用于监测井涌和泥浆漏失。
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