Sucker rod pumping wells are elongated rod

Sucker rod pumping wells are elongated rod, then light it on the bar, then under the pump from the power transmission role. A single 7.6 or 8 meters in length, the material is generally high carbon steel, hard chrome plated, with internal threads in the hoop tubing connected on a root has been extended to an underground reservoir of the piston, reciprocating motion to pump oil through the present the oil length generally about two kilometers to the Shengli Oilfield, for example, Sucker Rod Pump Unit Controller include pumping unit, sucker rod pump