Downhole pump monitoring system

Details Downhole pump monitoring system Downhole pump monitoring system

1995-10-13

1997-08-05

Williams, Hezron E.

Measuring and testing

Borehole or drilling

Pump test

7315252, 7315221, 166 66, 417 18, 417 22, 417 43, 417448, F04B 4900, E21B 4706, F15C 116, G01L 706

Patent

active

056545045

ABSTRACT:
The present invention relates to a downhole hydraulic pump monitoring system and more specifically relates to a system which detects and/or anticipates pump malfunctions by processing readings taken by a pressure transmitter on the operating pressure and the stroke rate of the downhole hydraulic pump where decisions are reached regarding positive pump operation or inefficient pump malfunction based upon comparisons between the instantaneous pressure readings of the pressure transmitter and a time-averaged operating pressure of the power fluid taken over a multitude of pump strokes.

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patent: 5222867 (1993-06-01), Walker, Sr. et al.
patent: 5252031 (1993-10-01), Gibbs
patent: 5458466 (1995-10-01), Mills

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