... ; competitive price; quality after-sales service The downhole motor is a positive displacement motor. It converts the high fluid power of drilling ... ~3530~50Bit rev, rpm110~220102~158108~18895~163Press drop of motor, Mpa43.23.23.2Working torque, N·m1750380041006800Max. torque, N·m2600570061009800Power ... /2" REG4-1/2" REG6-5/8" REG Downhole mud motor