... coil lead, cable protector, submersible cable, tubing. Surface equipment: CBM dedicated wellhead, cable junction box, storage tank, ... inquired and saved thru RS232 or 485 port on computer. 2-3-3. Smart control production rate ... temperature, Wellhead temperature, Fluid production rate, Accumulative fluid volume, CBM production rate, Valve(on production line) position, Balance valve position. ...