江汉石油钻头股份公司成功地开发出新型小尺寸单牙轮钻头系列产品 ,该系列产品为 O形圈密封、滑动轴承、钢球锁紧的镶齿钻头。根据现场使用情况 ,该系列小尺寸单牙轮钻头不但适用于侧钻钻井 ,而且还适用于中深井直井钻井。在钻井过程中 ,单牙轮钻头的工作扭矩比 PDC钻头在相同 Jianghan Petroleum Drill Joint Stock Company successfully developed a new series of small-size single-cone bit products, the series of O-ring seals, sliding bearings, ball-locking insert bit. According to field use, this series of small size single-cone bit not only applies to side-drilled drilling, but also for medium-deep well vertical well drilling. During drilling, single-cone bits work at the same torque as PDC bits