一、双管内肋骨钻头钻进在可塑性强的四极橄榄岩中钻进,糊钻问题是126队许久以来的革新课题。虽在普遍采用单管内肋骨钻头钻进后,效率比楚库洛夫钻头有所提高,但岩粉糊钻仍很严重,严重阻碍着钻探生产效率的进一步提高。为此,501机全体职工在八月份提出了双管内肋骨钻头钻进,经使用后,大大地消灭了岩粉糊钻现象,提高了效率:平均回次进尺提高将近一倍,单位小时进尺提高了50%以上。如表1: First, the double-tube rib drill drilling in the plasticity of the peridotite drilling, paste drilling problem is 126 team a long time since the reform project. Although the drilling efficiency is better than that of Chu Kulov drill after the single-tube rib drill is commonly used, the dough sticking is still very serious, which seriously hinders the further improvement of drilling production efficiency. To this end, 501 machine all workers proposed in August double-ribbed drill bit drilling, after use, greatly eliminating the phenomenon of powder paste paste, and improve efficiency: average back to nearly double the footage, the unit hours of footage to improve More than 50%. As shown in Table 1: