Practice testifies that practice of this kind of reverse well track type project is feasible for the drilling and development of short displacement, the shallow vertical depth horizontal well. 实践证明,对于短位移、浅垂深的水平井钻进开发,实施这种反勾型方案是切实可行的。
We must see the reverse as well as the obverse side of things. 我们既要看到事物的正面,也要看到事物的反面。
We must learn to look at problems all-sidedly, seeing the reverse as well as the obverse side of things. 我们必须学会全面地看问题,不但要看到事物的正面,也要看到它的反面。
Reverse circulation well control method and its calculation in slim hole 适应小井眼的反循环井控方法及其计算
Manage Green Reverse Logistics Well to Fulfill Sustainable Development 管好绿色逆向物流实现可持续发展