摩托车手是“疏忽性失明”（inattention blindness）最好解释，他们整日在那些只看“车”的司机中钻来钻去。
Motorcycle riders best understand "inattention blindness," as they are nearly drilled daily by drivers who only "see" cars.
由于螺杆钻具本身具有良好的动力特性，在套管内侧钻中得到广泛应用。
Positive displacement motor is widely used in sidetrack drilling inside casing because of its excellent dynamic characteristic.
结果表明，井底温度高、钻具存放及钻井过程中的腐蚀和地层可钻性级值高且断层多，是该地区钻具失效的主要原因。
The result shows that the main reasons are high bottom hole temperature, corrosion of drilling tool during storage and drilling process, high value of formation drillability, and multi-fault.
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