... 钻井进度drilling progress 钻井条件drilling condition 岩石的物理机械性质及可钻性rock physical mechanical properties and drillability ...
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tough drilling condition 困难钻井条件
abnormal drilling condition 异常钻井条件
downhole drilling condition 井下工况
drilling pump critical working condition 钻井泵的临界工作条件
Critical condition of drilling 金刚石钻进的临界规程
mobile offshore drilling units condition 海上移动式钻井装置
The performance difference between air crew drill and mud motor was analyzed under the air drilling condition.
对比分析了空气螺杆钻具与泥浆马达在空气钻井井况下的性能差异。
Based on the theory of elasticity and molar-Coulomb strength failure criterion, we proposed the prediction method for hole enlargement ratio in the condition of underbalanced drilling.
基于弹性力学理论及岩石摩尔-库仑强度破坏准则，提出了欠平衡钻井条件下井径扩大率的预测方法。
Although under very difficult condition the drilling engineers were determined to drill this well through to the end.
虽然处境困难，但是钻井工程师们还是决定把这口井打完。
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