abrasion drilling

基本解釋

The wear of the matrix of a bit is severe when drilling through super abrasion strata.
鉆頭在鉆進超研磨性地層時，胎體的磨損非常嚴重。
The failures of abrasion resistant ring on drilling pipes are common during drilling in Daniudi Area.
鄂爾多斯北部大牛地地區(qū)鉆井施工中鉆桿偏磨、耐磨環(huán)失效現(xiàn)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.
針對鉆井泵閥沖蝕磨損嚴重的特點，利用FLUENT軟件對鉆井泵閥隙內(nèi)流場分布進行了仿真計算，得到閥隙流場在某一時刻泥漿流速的分布規(guī)律。