RU2536736C1
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Gear wheel pump for fluid pumping
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RU2538181C1
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Submersible jet pump
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RU2531090C1
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Method to test gas separators on gas-liquid mixtures and method for its realisation
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RU2532455C1
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Rotor pump
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RU2525816C1
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Multistage centrifugal pump distributor
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RU2536731C1
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Rotary multistage pump stage
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RU2523648C1
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Wear-and-corrosion-proof iron-based powder
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RU2526068C1
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Downhole separator of mechanical impurities
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RU2513929C1
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Well expandable screen
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RU2514457C1
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Borehole pump assembly
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RU2514469C1
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Multistage centrifugal pump distributor
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RU2537966C2
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Submerged motor rotor
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RU2514819C1
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Device for oil production
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RU2524916C2
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Tachometric flow meter (versions)
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RU2518253C1
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Method of fluid flow rate measurement
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RU2508489C1
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Valve to remove gas from borehole pump
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RU2519173C1
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Centreless grinding method for very hard powdered material
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RU2520556C2
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Pump unit bypass system
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RU2516753C1
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Submersible pump for viscous fluid pumping
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RU2504643C1
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Downhole split filter
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