predrilling exploration 钻探前勘探
oil predrilling project 石油钻前工程
predrilling ĥ 打井口眼
predrilling E 打井口眼
predrilling stage 钻前阶段
Predrilling reservoir quality prediction includes porosity prediction and permeability prediction.
储层孔隙度预测和渗透率预测。
This well is characterized by deep drilling horizon and varied formation lithology, so its predrilling prediction of abnormal pressure is the most significant.
该井钻探层位深、地层变化大，钻前异常地层压力预测尤为重要。
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