挖掘井 meaning in English

digging well

In addition , side - tracking in old wells can produce residual oil between wells and on structural high , improve pattern arrangement , and control bottom water coning ; it is an effective method for developing minor fault block reservoir with complex lithology and bottom water
同时，老井侧钻既能挖掘井间及高部位剩余油，完善井网，又能有效控制底水锥进，是复杂底水小断块油藏经济高效开发的措施方法。