https://patents.google.com/patent/CN115288997A/en
CN115288997A - Internal exhaust type plunger oil well pump - Google Patents
The invention relates to an internal exhaust type plunger oil pump, which is mainly composed of a pump barrel, a plunger, a fixed valve and the like. An...
oil well pumpinternalexhausttypeplunger
https://new.abb.com/motors-generators/nema-low-voltage-ac-motors/custom-ac-motors/oil-well-pump---design-d
Oil Well Pump (Design D) Motors - Custom AC Motors NEMA Motors Baldor-Reliance (NEMA low voltage...
oil well pump
https://patents.google.com/patent/CN112065697A/en
CN112065697A - Double-channel slide valve whole-course oil well pump and special slide valve -...
The invention discloses a double-channel slide valve whole-course oil well pump and a special slide valve, comprising a pump cylinder assembly and a plunger...
oil well pumpdouble channelslide valve
https://patents.google.com/patent/CN202612095U/en
CN202612095U - Safety device for screw rod oil-well pump - Google Patents
The utility model provides a safety device for a screw rod oil-well pump, relates to a safety device, in particular to a safety device used on an underground...
oil well pumpsafety devicescrew rod