论文部分内容阅读
我队在较长时间内对金刚石钻进的烧钻头问题作了一些工作,通过反复实践,我们认为使用好钻杆丝扣油能起到很好的效果。现介绍如下,供参考。为防止钻杆和接头丝扣端漏失冲洗液,使钻头失去冷却作用而造成烧钻,丝扣联接处
For a long time, my team did some work on the problem of burning bit of diamond drilling. Through repeated practice, we think that using the drill pipe thread oil can play a very good effect. Now introduced as follows for reference. In order to prevent the drill pipe and fittings thread leakage loss of washing fluid, the drill loss of cooling caused by the role of burning drill, threaded joints