... is designed for coalbed gas drilling, water well drilling, mine rescue drilling, shallow petroleum/natural gas drilling and mineral investigation etc. The ... mounted to connect related accessories of different drilling techniques, like fluid drilling, air drilling and foaming drilling, etc. 2 Specification: 1. FEED ... 6 Mpa10.2Air Compressoroption10.3Mud Pumpoption CMD100 Coalbed Gas Drilling Rig