1. Can DFQ-150 drill through hard rock or not? It works with airpressor, using DTH drilling method, fast drilling speed in hard rock,stone especially mountain areas. 2. Can it be used for geothermal air conditioning project? Of course, DFQ-150 is designed for water well, if you buy it for geothermal air conditioning, it will be your best ...Very Strong 800m Deep Pakistan Hard Rock Water Well Drilling Rig FY serise water well drilling rig machine is a light,high efficiency and multifunctional drilling machinery. It is mainly used for drilling well,agricultural irrigative well and other well drilling, especially for coteaus and projects which takes water from underground. Technical Parameter For FY Series Water Well Drilling RigTruck Mounted Deep Water Well Drilling Rig HM-XSC Series truck mounted drilling rig is designed to meet the needs of high speed, high efficiency and high mobility in field drilling. The rigs are featured if reasonable structure, simple operation, easy maintece and speedy transport.Jul 08, 2009 · Flexible rigs which have separate tripod and drilling head, can be used for drilled a borewell inside an existing well if it is above 3m x 3m size to amodate size of the rig and working space. These rigs are capable of drilling up to a depth of around 300 feet.