RU2746792C1
|
|
Submersible electric motor
|
RU2738875C1
|
|
Method of electric centrifugal pump installation on load carrying cable (versions)
|
RU2737409C1
|
|
Submersible pump unit on load carrying cable and method of its operation
|
RU2730907C1
|
|
Y-shaped bypass device of submersible pumping unit
|
RU2738920C1
|
|
Cutoff valve of submersible plant of electric-centrifugal pump
|
RU2722174C1
|
|
Pump unit for simultaneous separate operation of two formations
|
RU2715774C1
|
|
Slot-type filter
|
RU2725202C1
|
|
Submersible pumping unit for pumping liquid
|
RU2715297C1
|
|
Installation for surface pumping of gas-liquid mixture
|
RU2709580C1
|
|
Slit-type filter
|
RU2731446C1
|
|
Submersible electric motor with constant positive pressure maintenance system
|
RU2708475C1
|
|
Submersible pump inlet filter
|
RU2706981C1
|
|
Well filter manufacturing method
|
RU2703774C1
|
|
Pump for pumping gas-liquid mixture
|
RU2706153C1
|
|
Method of periodic well operation with the help of submersible unit of electric centrifugal pump
|
RU2704078C1
|
|
Plug-in shut-off valve (versions)
|
RU2712847C1
|
|
Submersible pumping plant with magnetic coupling
|
RU2699502C1
|
|
Pump unit for simultaneous-separate operation of two well formations
|
RU2696040C1
|
|
Abrasive-resistant rotary gas separator
|
RU2691280C1
|
|
Submersible pumping unit
|