05720598 is referenced by 35 patents and cites 8 patents.

A method and a system for the early detection of defects in at least one multiplex pump, which includes a plurality of cylinders or chambers, by determination and analysis of pump harmonics based upon pressure fluctuations in a line in fluid communication with the multiplex pump and multiplex pump frequency. The presence of a defect, the type defect, and specific pump unit having the defect, is determined.

Title
Method and a system for early detection of defects in multiplex positive displacement pumps
Application Number
8/539288
Publication Number
5720598
Application Date
October 4, 1995
Publication Date
February 24, 1998
Inventor
Yan Kuhn de Chizzelle
Missouri City
TX, US
Agent
John E Vick Jr
Assignee
Dowell a division of Schlumberger Technology
TX, US
IPC
F04B 49/00
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