Chapter 12: Predictive and Diagnostic Maintenance for Rod Pumps
Abstract
Approximately 20% of all oil wells in the world use a beam pump to raise crude oil to the surface. The proper maintenance of these pumps is thus an important issue in oilfield operations. We wish to know, preferably before the failure, what is wrong with the pump. Maintenance issues on the downhole part of a beam pump can be reliably diagnosed from a plot of the displacement and load on the traveling valve; a diagram known as a dynamometer card. This chapter shows that this analysis can be fully automated using machine ...
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