4、euseofmechanicalequipment for the crudeoilontotheground, calledthe mechanicalrecovery method. Flowingproduction methodisthemosteconomical, but withthedevelopmentofoilfields, lowerformationpressure,formationenergy consumption, oilfield cannotuse theflowingproducti
5、onmethod,needtouse mechanicalrecovery method. Machinery productionequipmentfromthe modeofproduction canbedivided intotwo kinds: rod production equipmentand no rod production equipment, and rod production equipment forthemain part,sothe energy problem rod producti
6、on equipment isverymeaningful.Beampumpingunitis themain equipmentfortheproductionof rod oilextractionequipment inoilfield. Insome oilfieldsinChina trytouse technologytoreplacetheconventionalbeam pumping machineis advanced, butbecausethe cost istoohigh, the costre
7、covery periodistoolong, so inthefield orinthe beampumpingunit.Thispaper introduces theconventional pumpingunitworking principleandtheprincipleofenergysaving pumpingunit, theanalysisandcalculationof thekinematicsanddynamicsof machine designprocess, the conventiona
8、lbeampumping oil machine movement law. Oneoftheimportant parametersof thebeampumpingunithorsehead ofthe pumpingunit horseheadload mark workingability,and tosee