abrasion drilling

常见例句

The wear of the matrix of a bit is severe when drilling through super abrasion strata.
钻头在钻进超研磨性地层时，胎体的磨损非常严重。
The failures of abrasion resistant ring on drilling pipes are common during drilling in Daniudi Area.
鄂尔多斯北部大牛地地区钻井施工中钻杆偏磨、耐磨环失效现象很普遍。
In view of the characteristic of severe erosion and abrasion in the drilling pump valve, the flow field of the play of it by FLUENT was simulated and computed in this paper.
针对钻井泵阀冲蚀磨损严重的特点，利用FLUENT软件对钻井泵阀隙内流场分布进行了仿真计算，得到阀隙流场在某一时刻泥浆流速的分布规律。