... the solution of the problem of import substitution in the field of operation of wells with sucked downhole pumping units with hydraulic ground drive, instead of traditional rocking machines and chain drives. Results he positive effect of the use of hydraulic drives PNHSNG 120-6-24:Increase in oil production. Reduction in the level of design failures. Reduction of equipment downtime andrepair costs. Cost optimization has been achieved in the operation of hydraulic drives in comparison with traditional ...

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