The utility model provides a movable intellectual petroleum well servicing rig, which consists of a hydraulic jack, a prizing block, a peltry power accumulator, a hydraulic station, a tank, a rack, an operation room, a lifting hydraulic cylinder, an oil filter, a power machine, an oil pump, a liquidometer, an electromagnetic relief valve, a disconnecting valve, a return orifice check valve, a bidirectional hydraulic lock, a amplitude changing oil cylinder, a hydraulic control check valve, a change valve and a hydraulic circuit. The upper end of the rectangular prizing block is provided with a bed of the lifting hydraulic cylinder; the other end of the rectangular prizing block is provided with a bracket for the lifting hydraulic cylinder. The operation room, the amplitude changing oil cylinder, the hydraulic station, the tank and the peltry power accumulator are arranged from left to right in turn between the bed and the bracket. The lifting hydraulic cylinder is connected with the bed through an axis of swivel. The top of an inner piston of the lifting hydraulic cylinder is provided with a group of fixed blocks enwound with a wire rope. One end of the wire rope is fixed on the prizing block; and the other end of the wire rope is connected with a slinger. The hydraulic circuit of the hydraulic station is connected with the tank, the lifting hydraulic cylinder, the amplitude changing oil cylinder and the hydraulic jack, respectively. Operation can be conducted without a headframe.