SUSPENDED ELECTRICALLY-DRIVEN DOWNHOLE SCREW-TYPE PUMP SYSTEM Russian patent published in 2010 - IPC F04C2/107 F04B47/06 

Abstract RU 2395004 C2

FIELD: engines and pumps.

SUBSTANCE: proposed system consists of fluid guide system and electrical conducting system. Fluid guide system consists of upper joint assembly, safety device, fluid guide hose, drive mechanism, shaft coupling, first circular chamber, second circular chamber, third circular chamber, fourth circular chamber and fluid outlet. First circular chamber, second circular chamber, third circular chamber, fourth circular chamber and fluid outlet are adequately connected with well fluid pipeline. Electric conducting system consists of motor supply conductor, safety device central hole, fifth circular chamber and outlet hole for conductor.

EFFECT: low production costs, ease of assembly and servicing.

7 cl, 3 dwg

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RU 2 395 004 C2

Authors

Zhao Ksikhuan'

Zhang Ruik'Jui

Dates

2010-07-20Published

2006-03-17Filed