Hydraulic pump piston pump and jet pump working principle difference

The most widely used hydraulic pump applications are the hydraulic piston pump and hydraulic jet pump, both of which are used in oil pumping units, but the working principle is different, to understand that the hydraulic Pumps are better for your use, and you need to start by understanding how they work. Hydraulic piston pump is a hydraulically driven rodless pumping unit. It consists of ground pump group, wellhead equipment and pipeline systems, water jacket furnace, sedimentation tank and underground hydraulic piston pump unit and other components. Hydraulic piston pump generally use dilute oil as motive fluid, with the well or adjacent wells crude oil degassing through the separator, heated by a water jacket furnace heated to about 60 ℃, into the sedimentation tank, and then inhalation of high pressure three-cylinder piston pump, Pressurized high-pressure crude oil (called dynamic fluid) enters the oil pipe through the four-way valve of the well head and pushes the motor of the lower hydraulic piston pump group and the lower end of the lower oil pump piston which is integrated with the connecting rod to reciprocate up and down, pumping crude oil from the well . Hydraulic jet pump is a simple structure, small size, easy to manufacture rodless pumping device. It consists of fishing head, rubber bowl, oil hole, diffuser, throat, nozzle and tail pipe. Jet pump work, the high-pressure fluid injection by the tubing  by the pump channel to the nozzle and spray, because the nozzle diameter is small, the flow rate increases, the pressure decreases, the bottom-flowing crude oil continue to supplement the low-pressure area, and crude oil Once the nozzle is surrounded by high-pressure fluid suction into the throat, the initial mixing in the throat, high-pressure fluid to the energy part of the exchange of formation of crude oil, and then mixed liquid into the diffusion tube. Due to the gradual increase of the diameter, the high-speed and low-pressure power fluid is transformed into high-pressure and low-velocity fluid flow, thereby increasing the pressure energy of the underground crude oil. The dynamic fluid and formation crude oil are fully mixed in the diffusion tube, and then flow out from the annular space between the tubing and the casing through the oil outlet hole. (Editor: Yunhai QQ:) Recommended reading: Acting purchasing jet pump video animation