GROUP DRIVE OF OIL-WELL PUMPS OF WELL CLUSTER (VERSIONS), AND METHOD FOR ITS IMPLEMENTATION Russian patent published in 2012 - IPC F04B47/02 

FIELD: engines and pumps.

SUBSTANCE: group drive is designed for simultaneous transfer of back-and-forth movement to plungers of oil-well pumps of oil production well cluster. Drive includes balancing levers with cable hangers, which are located in pairs on support columns installed in middle part of spans between well heads at the interval of one span and fixed and protected against being turned over by means of girder frames, and three-arm levers installed on the same support columns above balancing levers, two arms of each of which are connected to balancing levers by means of connection drive pieces. Driven arms of three-arm levers are hinged to a pusher installed on them and being one-piece or two-piece and connected to output link of power part by means of one or two two-arm levers, or directly by means of a hinge. Output link of power part is made in the form of one or two crank-and-rod mechanisms either of one or two hydraulic cylinders. When the drive is in operation, oscillating movement transferred with power part to pusher is transmitted with three-arm lever, the pair of pulling arms of each of which lifts one balancing lever and lowers the other one by means of connection drive pieces. Electromechanical group drive and hydraulic drive have the design versions for operation with oil-well pumps of small, average and large number of wells.

EFFECT: reduction of metal consumption for manufacture and power consumption for operation, and the number of component parts is achieved; increase in electric, fire and explosion safety is provided; the number of support structures and material consumption for foundations is reduced.

11 cl, 22 dwg_e