The increased WOB is not good for deviation control.
当转速一定时,提高钻压不利于防斜打直。
The results show that longitudinal vibration of drill string is relative to rotary speed and weight on bit (WOB).
实验结果表明,钻柱的纵向振动主要与转速和钻压有关。
Application of downhole hydrodynamic propulsors solves the problem of exerting WOB, and are helpful to enhancing penetration rate.
井下液力推进器的应用在一定程度上解决了钻压的施加问题,有利于提高钻进速度。
For the ALI dogs, during PAV, different assist ratios had much influence on airway pressure and WOB , and less influence on hemodynamics.
在ALI犬中,不同的辅助比例对气道压力和呼吸功影响较大,对血流动力学影响较小。
The effects of WOB fluctuation of drill string on the wellbore trajectory are analyzed by using stochastic finite element method and perturbation equation.
借助随机有限元方法和摄动方程初步分析了钻压波动对井眼轨迹的影响。
Design idea and development method of a microcomputer control system for optimization WOB (weight on bit) automation bit feed of oil rig disc brake is discussed.
阐述了盘式刹车钻压优化自动送钻微机控制系统的设计思想和研制方法,给出了系统的软硬件设计方法。
And the results indicate that the depth and volume are increased with the increasing of WOB and impact energy, and contrary to the special energy consumption of rock fragmentation.
结果表明:组合载荷破碎岩石的深度、体积随静压和冲击能增加而增加,破岩比能则随之下降。
And the results indicate that the depth and volume are increased with the increasing of WOB and impact energy, and contrary to the special energy consumption of rock fragmentation.
结果表明:组合载荷破碎岩石的深度、体积随静压和冲击能增加而增加,破岩比能则随之下降。
应用推荐