钻井水溶开采
Solution mining in drilled well
water soluble mining with the drill
Solution mining
反循环洗井钻井法
countercirculation-wash boring method
钻井水溶
Solution mining in drilled well
Solution mining
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