... well drilling in clay, sand and bedrock layers. It can be used for the detection and exploration of underground water ... It can also be used for construction of underground tunnels, ventilation holes and etc. The rig can ... rig, No Guyline well service rig, water well drilling rig, core drilling rig, sand washing truck, flushby rig, dewaxing ... Customize your own RIG today! 600m Water Well Drilling Machine