INLET DEVICE OF WELL PUMP Russian patent published in 1998 - IPC

Abstract RU 2123613 C1

FIELD: lifting of fluid out of wells. SUBSTANCE: proposed inlet device includes two inlet branch pipes which inlets are located at different levels and which outlets communicate through connecting tube. Tube used as additional passage is connected to the latter. EFFECT: smooth transfer from pumping-out of water to pumping-out of oil. 12 dwg

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RU 2 123 613 C1

Authors

Gibadullin I.R.

Zaljatov M.M.

Dates

1998-12-20—Published

1996-07-23—Filed