HYDRAULIC DISTRIBUTOR OF SUBMERSIBLE ELECTROHYDRAULICALLY-DRIVEN PLANT
FIELD: oil producing industry; mechanical engineering. ^ SUBSTANCE: proposed device is designed for use in submersible electrohydraulically-driven plants operating in marginal wells with complicated characteristics of oil bearing bed. Proposed hydraulic distributor contains spools, cylindrical housi...
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Format: | Patent |
Sprache: | eng ; rus |
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