drilling stem
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It is very important for improving drilling rate, reducing drilling cost and safety drilling to carry out drill stem failure analysis and prevention.
开展油田钻柱失效分析与预防对提高钻井速度、降低钻井成本及井下安全钻进具有重要意义。
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When it is drilling, Drill stem's service life is reduced seriously, because of the flections distortion and the wear and tear with casing-pipe wall.
在钻进时，钻柱由于弯曲变形与套管壁产生磨损，严重地降低其使用寿命。
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Drilling stem is an important part in drilling.
钻柱是钻井过程中的重要工具。
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But it needs Drilling Stem Test to get reservoir off-take potential and formation parameters.
但是，要确定储层的产能和地层参数需要通过钻柱测试或缆式中途测试等才能实现。
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It is connected to the required position of drilling stem to protect drilling stem without any influence on the drilling tool.
将它连接于所用钻柱的需要部位，保护钻柱，不影响钻具正常工作，一旦在井下工具遇卡可借助于安全接头卸开并退出卡点以上的钻柱，再次下钻时还可对接。
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- 更多网络解释与drilling stem相关的网络解释 [注：此内容来源于网络，仅供参考]
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drilling stem：钻柱
drilling spool 井口防喷装置下的四通 | drilling stem 钻柱 | drilling string stabilizer 钻柱稳定器
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drilling stem testing：abbr. dst; 钻柱地层测试
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drilling tads ,drill stem：钻具
钻井液配方 drilling fluid composition | 钻具 drilling tads ,drill stem | 钻具腐蚀 corrosion of drilling pipe
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max. weight of drill stem, max. drilling string load：最大钻柱载荷
最大钻头水功率工作方式||working regime of the maximun bit hydraulic horsepower | 最大钻柱载荷||"max. weight of drill stem, max. drilling string load" | 最低混相压力||minimum miscible pressure