The calculation formulas of drilling cost and drilling time for both trip round coring and wire line coring were deduced, and the calculation model of critical borehole depth was established.

  • 推导了提钻取心和绳索取心两种钻进方法的时间和成本计算公式,进而建立了临界井深计算模型。

  • 互联网 2025-03-12 12:50:28

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