水井、井水及废水
Wells and well water and waste water
饱和盐水钻井液
Saturated Salt-water Drilling Fluid
车装水井钻机
truck mounted water well drilling rig
大斜度井钻井解卡剂
high angle drilling lubricant
淡水钻井液
Freshwater drilling fluid
fresh mud
淡水钻井液侵入
fresh drilling mud invasion
反循环洗井钻井法
countercirculation-wash boring method