... technology 3.ISO9001 1.The main structureDown hole equipment:Sensor, Frequency electrical submersible motor, protector, gas-liquid ... CBM dedicated wellhead, cable junction box, water tank, smart control unit, A frequency control unit, B water ... Voltage, Amps, Frequency, Downhole fluid level, Downhole temperature, Wellhead temperature, Fluid production rate, Accumulative fluid volume, CBM production ...