STAGE OF OIL-WELL MULTISTAGE PUMP

STAGE OF OIL-WELL MULTISTAGE PUMP

FIELD: oil producing industry; multistage pumps for pumping out formation fluid. SUBSTANCE: stage of proposed oil-well multistage pump contains guide vane assembly with vanes and working wheel with driving disk. Diameter of arrangement of leading edges of guide valve assembly is greater than diamete...

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Hauptverfasser: KISELEV A.E, MESHALKIN S.M, SHTEL'MAKH S.F, GLUSKIN JA.A, TRULEV A.V, KULIGIN A.B
Format: Patent
Sprache:eng ; rus
Schlagworte:
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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creator KISELEV A.E
MESHALKIN S.M
SHTEL'MAKH S.F
GLUSKIN JA.A
TRULEV A.V
KULIGIN A.B
description FIELD: oil producing industry; multistage pumps for pumping out formation fluid. SUBSTANCE: stage of proposed oil-well multistage pump contains guide vane assembly with vanes and working wheel with driving disk. Diameter of arrangement of leading edges of guide valve assembly is greater than diameter of lower disk of guide vane assembly. Cavities are made on upper surface of driving disk opened from upper surface. Bottom of each cavity lies on surface intersecting lower surface of driving disk along located at distance from axis of driving disk less than outer radius of working wheel driving disk. Proposed invention is aimed at increasing vorticity in cavities of working wheel and amount of formation fluid taking part in vortex motion, reducing resistance of leading edge of driving disk and improving smoothness at slipping of formation fluid from cavities in working wheel, increasing dispersion of fluid and increasing head at stage. EFFECT: improved reliability. 6 cl, 2 dwg
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SUBSTANCE: stage of proposed oil-well multistage pump contains guide vane assembly with vanes and working wheel with driving disk. Diameter of arrangement of leading edges of guide valve assembly is greater than diameter of lower disk of guide vane assembly. Cavities are made on upper surface of driving disk opened from upper surface. Bottom of each cavity lies on surface intersecting lower surface of driving disk along located at distance from axis of driving disk less than outer radius of working wheel driving disk. Proposed invention is aimed at increasing vorticity in cavities of working wheel and amount of formation fluid taking part in vortex motion, reducing resistance of leading edge of driving disk and improving smoothness at slipping of formation fluid from cavities in working wheel, increasing dispersion of fluid and increasing head at stage. 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subjects BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
title STAGE OF OIL-WELL MULTISTAGE PUMP
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