1.Smart Drainage Equipment For CBM 2.Steady-going, Long life-span 3.Highly Automated ... methane1.The main structureDown hole equipment:Sensor, Frequency electrical submersible motor, protector, gas-liquid separator, multi stages centrifugal pump, check valve, ... pump check & workover. It’s the best system for deviated & cluster well, especially for multi-lateral horizontal well. It can be installed ...