SUBMERSIBLE DIAPHRAGM ELECTRIC PUMP FOR LIFTING LIQUID FROM WELL Russian patent published in 1996 - IPC

Abstract RU 2065530 C1

FIELD: pumping liquids out of wells. SUBSTANCE: rows of through holes are located in upper portion of safety screen; rows of radial through holes are provided in lower portion of suction tubes. Upper edge of these tubes is located below upper row of through holes of screen. Total area of all through holes of screen is equal to or more than area of circular clearance between inner diameter of casing string of well and outer diameter of electric pump housing. Total area of all radial holes of each suction tube exceeds area of its inner hole. EFFECT: enhanced reliability. 1 dwg

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RU 2 065 530 C1

Authors

Snisarenko Grigorij Nikolaevich

Govberg Artem Savel'Evich

Dates

1996-08-20Published

1995-06-13Filed