论文部分内容阅读
随着钻井深度的增加,地面钻井设备和钻柱的工作条件也就大为复杂化了。因此,在选取钻机部件的强度安全系数时,必须要有充分的根据。
With the increase of drilling depth, the working conditions of surface drilling equipment and drill string will also be greatly complicated. Therefore, when selecting the strength and safety factor of rig components, there must be sufficient basis.