J. E. Chacin

A Numerical Approach to the Diagnosis of Sucker Rod Pumping Installations and Its Verification With Downhole Pump Field Measurements

J. E. Chacin, 1989 .

Expert System for Selection of Optimum Artificial Lift Method

J. E. Chacin, D. A. Espin, S. Gasbarri, 1994 .

A New Model for Studying Oilwell Pumping Installations

J. C. Purcupile, J. E. Chacin, 1987 .