Oil field well workover operation machine

The utility model relates to equipment for oil field operation, in particular to an oil field workover rig. A rig body is mounted on a hydraulic load-bearing walking device, and is caused by the hydraulic load-bearing walking device to move; hydraulic tongs are connected with an expansion bracket on the rig body, and can stretch out or retract along with the expansion bracket; a clamp seat is positioned below the hydraulic tongs and arranged on the well mouth; an elevator device is hung on the rig body and capable of conducting reciprocating movement vertically; a faucet is positioned above the rig body and the clamp seat; a pipe flinging device is distributed on the faucet and the rig body; a clamp opening device and a clamp locking device which correspond to the elevator device are arranged on the clamp seat and the pipe flinging device respectively; the faucet is further provided with a stabilizing mechanism and a valve mechanism; and a control cabinet is mounted on the rig body, while the clamp seat, the