... such wells by serial borehole sucker rod pumps is limited by the maximum allowable angle of inclination of the sucker rod pump. Also a complicating factor in the exploitation of oil fields, in particular the Ural- Volga region, is the presence of high-viscosity oils. The article presents the operational experience of the developed differential pump units for controlled directional and horizontal wells in complicated conditions, including at slope angles higher than permissible for serial pumps. The ...

... применение ламинарного насоса для откачки бурового раствора. Well known that pumps pumping abrasive liquids have a short lifetime. Laminar pumps (disk pumps), produced in Russian Federation, are able to pump high viscosity clean and abrasive liquids. Application of the laminar pumps could increase lifetime and reliability, decrease maintenance costs and labor works, improve technology process. The laminar pumps even could improve the quality of a pumping liquid ...

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