1.The brief introductions of YQZ-30 hydraulic portable drilling rig YQZ-30 hydraulic portable drilling rig is a small portable diesel oil drilling machine. It is mainly used for prospecting and exploration, geophysical exploration,drilling engineering such as road construction and blasting hole, shallow oil, natural gas and groundwater drilling. It also can be used for engineering drilling of dam grouting and tunnel ventilation and drainage. The drilling depth of YQZ-30 drilling rig is 30 meters. The open hole diameter is 89mm, and the final hole diameter is 75mm.
