The formations of western Sichuan have poor drillability and low ROP for dense and hard rocks.

川西地区地层岩石致密、硬度大、可钻性差,机械钻速低,欠平衡钻井能有效提高机械钻速.

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A new computerized method to quickly calculate the rock drillability with logging data is introduced.

介绍了一种利用测井资料快速求得岩石可钻性级值的计算机方法.

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