truck-mounted mud reverse circulation engineering drilling rig n the pumping reverse circulation drilling, the circulation medium is maintained by the vacuum degree of the pump. The commonly used pump is a sand ... Read More
truck-mounted mud reverse circulation engineering drilling rig GF200 is a truck-chassis type mud-reverse-circulation drilling rig. It uses high-power impeller pump to pump mud and stone from hole end which can ... Read More
crawler chassis rotary water drilling rig The common rotary drilling rig, namely the rotary drilling rig with positive circulation mud flushing, consists of a tower, a winch, a rotary table, a drilling tool, a ... Read More
