A. Koncz, L. Kis, T. Szabo
Thursday 11 October 2018 by Libadmin2018


The world leader artificial lifting method is sucker rod pumping when considering the lifted well’s number. However, those sucker rod pumped wells are mostly stripper wells. The optimal production of stripper wells is a key-question in the life of mature oil fields close to abandonment. Sucker rod pumping is a well-known technology however production optimization and continuous operation supervision are essential for the economical production. The economic considerations are more powerful limitation factors for stripper wells because low production rates result normally low income and the final result is the constrained expenditures. Hence the supervision of those wells is commonly restricted to a technical minimum level. This paper deals with a part of a new, cost-effective and powerful supervision technique equipped for low rate sucker rod pump operated wells. Electrical measurements are performed only on the sucker rod pumping system’s prime mover. The calculation opposite to the conventional direction can be performed only if the torque conditions can be described from the motor side as well. The dynamometer diagram can be only inferred using an inverted torque calculation procedure. The inverse torque calculation is presented detailed in this paper. The method’s usefulness is proved with field measurement analysis.

Keywords: sucker rod pumping supervision, sucker rod pumping analysis, sucker rod pump measurement, torque analysis of the sucker rod pumping system

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