可用于深井、超深井钻井作业中漏失层位置的测定。
It can be applied to leakage zone during the deep well measurement and the ultra-deep drilling operation.
但是同世界先进水平相比，中石油在复杂深井钻井水平方面还有很大差距。
Compared with the advanced level in world, Petrochina still has the very big margin in the complicated deep well drilling level.
在多元随机钻井模式理论的基础上，提出了深井钻井参数多目标可靠性优化方法。
Based on the multivariable random drilling model, the multi objective reliability optimization of deep well drilling parameters is presented.
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