The Rod pump includes two parts: a pump barrel assembly and a plunger assembly, and its fixed valve is a pull-out structure, and the pump seat can be pulled out along with the rod column. The tubular rod pump barrel assembly is directly connected and fixed on the tubing string, and goes down to the bottom of the well together with it. The plunger assembly is connected to the position where the sucker rod goes up and down into the bottom hole pump barrel, and reciprocates up and down with it, so as to realize the oil recovery process.

The wall thickness of the pump barrel is 3.175 mm, which is suitable for well conditions with small tubing and large pump diameter, and is suspended inside the tubing by means of support joints. Going down operation is convenient, economical and practical.

The bottom fixed rod pump support mode has two modes: mechanical and leather cup, which can be selected according to customer needs.Product performance and advantages

The wall thickness of the pump barrel is 3.175 mm, which is suitable for well conditions requiring small tubing and large pump diameter. It is suspended inside the tubing by the support joint, which is convenient for downhole operation and economical and practical. The top fixed rod pump support mode has two modes: mechanical and leather cup, which can be selected according to customer needs.

The top fixed rod pump support mode has two modes: mechanical and leather cup, which can be selected according to customer needs.