空心玻璃微珠的滚动性能好，可提高机械钻速，从而显著提高钻井效率。
Hollow glass microspheres has a good rolling performance, and it can increase the drilling rate, and Significantly improve the drilling efficiency.
欠平衡钻井技术可以降低地层损害、提高机械钻速，所以在世界范围内被逐渐采用。
Underbalanced drilling technology can increase ROP and decrease formation damage, so it is increasingly used worldwide.
DBS钻机性能优良，能延长钻头使用寿命，提高机械钻速，并使钻井更安全、科学。
The perfect performance of the DBS drilling rig extends life of drill bit, enhances drilling speed and makes the drilling work more secure and scientific.
动力钻具配合PD C钻头钻井，可以大大地提高机械钻速、降低成本、缩短钻井周期。
By dynamical drilling tools matching with PDC drilling bits, drilling rates are able to be increased greatly, drilling costs are decreased greatly, and the drilling cycles are shortened.
现代旋转钻井破碎岩石是以机械破岩为主导方式，射流辅助机械破岩的目的是提高机械钻速。
Mechanical rock breaking is the main function of modern rotary drilling. The purpose of jet aided mechanical rock breaking is to improve the penetration rate.
超高压水射流辅助破岩是提高机械钻速的有效途径，水射流破岩效果影响因素及机制研究是其关键之一。
Ultra-high pressure jet assisted drilling is an affective approach for improving penetration speed; and influential factors and mechanism of rock breakage are key technologies.
欠平衡连续油管钻井，可减少钻井过程中对地层和产层的损害，可提高机械钻速，安全高效率钻井，降低钻井成本。
UBD with CT can reduce the formation and pay zone damage, enhance the penetration rate, improve safe operation with high efficiency and drop drilling costs.
现场试验同样证实设计的自振空化射流喷嘴在保护钻头、减少钻头磨损及增加进尺、提高机械钻速方面有显著作用。
Field tests also show that the self-resonating cavitation nozzle is highly effective in reducing bit wear, increasing drilling footage and drilling speed.
数百口井的实钻证明：这些方法行之有效，使井身质量及机械钻速大大提高，具有极大的推广价值。
By drilling hundreds of Wells, it is proved that those methods effectively improve well quality and mechanical drilling speed and are of great value to be applied.
PD C钻头具有钻进时间长、机械钻速高、起下钻次数少等特点，使用PD C钻头可大大提高钻井速度。
PDC bit have advantages of high penetrate rate, long bit life which saving tripping times so that the application of PDC bit can improve drilling efficiency.
与邻井常规钟摆钻具组合相比，这种钻具组合的钻压提高50%以上，机械钻速则提高120%。
The bit pressure of the BHA can increase more than 50% and the penetration rate can increase 120% comparing with the adjacent Wells using conventional pendulum drilling assembly.
采用空气钻井技术提高钻井机械钻速非常有效，钻速是常规钻井机械的数倍。
Air drilling is one of the effective means to increase drilling ROP, able to reach an ROP several times that of a conventional drilling.
采用空气钻井技术提高钻井机械钻速非常有效，钻速是常规钻井机械的数倍。
Air drilling is one of the effective means to increase drilling ROP, able to reach an ROP several times that of a conventional drilling.
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