Subsurface pump is a kind of oil extraction equipment for oil fields by artificial lifting more than 30 years experience
API11AX: THC, THM, TLE, RWAC, RWBC, RHAC, RHBC, TP, RHAM, RHBM, RHTM, RHTC, RWBM, RXBC, RXBM, RWTC, RWTM The driving force is transmitted from ground to the down-hole through sucker rodof subsurface pump, under the force, plunger of pump makes an up and down reciprocating movement, and lifts oil from bottom of well to ground through oil tube.A pump includes barrel, plunger, standing and traveling valves.Various pumps and spare parts conform to API SPEC 11AX, and special pumps can bedesigned and manufactured such as heavy crude oil pumps, sand-proof pumps and Gas-proof pumps according to the requirements of users. Key parts of the pumps can be made of materials with strong corrosion-resistance and excellent mechanical properties conform to NACE stdMR-01-76 according to various well conditions. Valve balls and valve seats are manufactured with different materials such as excellentcorrosion-resisting stainless steel, tungsten, titanium carbide, stellite and metal ceramic. The pumps and spare parts are packed with wooden cases.
