Method and apparatus for detecting problems in sucker- rod...

Details Method and apparatus for detecting problems in sucker- rod... Method and apparatus for detecting problems in sucker- rod...

G - Physics

05

B

354/23

G05B 1/00 (2006.01) H04R 17/00 (2006.01) E21B 47/00 (2006.01)

Patent

CA 1207446

-38- Abstract of the Disclosure Method and apparatus for detecting problems in sucker-rod well pumps and for determining which type of problem occurs. A first transducer provides a signal representative of the load on a sucker-rod string and a second transducer provides a signal representative of the sucker-rod position. The load signal and the position signal are used to generate a dynagraph of rod load vs. rod position with the pump working normally. A working dynagraph is continually compared with the normal dyna- graph and a working load signal is continually compared with a normal rod load signal to detect problems in the pumping system and to determine the type of problem detected if one does develop.

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