升降钻具是钻探操作中一项比较繁重的体力劳动,特别是井口操作者,为了拧卸钻具,挂取提引器和放取垫叉,不弯腰曲背或蹲下是无法工作的,不仅弄得腰酸腿痛,操作也不方便,大大的降低了工作效率,我队安装组同志针对这一情况,积极推行了苏联介绍的基台阶梯式安装法,即基台前半部低于后半部0．5米,成阶梯形(如图)。今年五月份,首先在10号机 Drilling and jacking rigs are a heavy manual work in drilling operations. Especially for wellhead operators, in order to unscrew the drilling tool, pick up the retractor and place the fork, it will not work without bending the back or squatting , Not only made lumbar and leg pain, the operation is not convenient, greatly reducing the work efficiency, my team installation group comrades in view of this situation, actively promoted the Soviet Union introduced the base ladder installation, that is, the first half of the base below The latter half of 0.5 meters, into a ladder-shaped (pictured). May this year, first in the 10th machine