Generating surface dynamometer cards for a sucker-rod pump by using frequency converter estimates and a process identification run

This paper presents a novel method to generate surface dynamometer cards of a sucker rod pump by applying torque and rotational speed estimates of a variable speed induction motor drive and a pumping process identification run.

[1]  Chunhua Liu,et al.  An approach to the computation of motor loading for a pumping unit , 2010, 2010 The 2nd International Conference on Industrial Mechatronics and Automation.

[2]  O. Pyrhonen,et al.  Position controller tuning of an intermittent web transport system using off-line identification , 2013, 2013 15th European Conference on Power Electronics and Applications (EPE).

[3]  Clemente Marcelo Hirschfeldt,et al.  Artificial-Lift Systems Overview and Evolution in a Mature Basin: Case Study of Golfo San Jorge , 2007 .

[4]  F. Muller,et al.  Intelligent drives in systems with decentralized intelligence , 2002 .

[5]  Okyay Kaynak,et al.  Oil well diagnosis by sensing terminal characteristics of the induction motor , 2000, IEEE Trans. Ind. Electron..

[6]  Markku Niemela,et al.  Accuracy study of frequency converter estimates used in the sensorless diagnostics of induction-motor-driven systems , 2011, Proceedings of the 2011 14th European Conference on Power Electronics and Applications.