他是钻井工程师。钻井设备。
一个好的钻井工程师必须懂得几门外语。
It is necessary that a good drilling engineer should know foreign languages.
地应力是钻井工程设计和油气田开发方案设计的基础。
Earth stress is the basis of drilling engineering design and field development project design.
长期以来，射孔被认为是钻井工程的最后一道简单工序。
For a long time, perforation is Just regarded as the last simple process in drilling.
该分析为水平井钻井工程避免钻柱共振提供了可靠的理论依据。
The analysis can provide reliable theory basis in order to avoiding resonance of drill string.
该分析为水平井钻井工程避免钻柱共振提供了可靠的理论依据。
The analysis can provide reliable theory basis in order to avoiding resonance of drill string.
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