Citas bibligráficas
Figueroa, G., (2016). Determinación del tiempo medio entre fallas (MTBF) en sartas de varillas y en tuberías de producción [Tesis, Universidad Nacional de Ingeniería]. http://hdl.handle.net/20.500.14076/5337
Figueroa, G., Determinación del tiempo medio entre fallas (MTBF) en sartas de varillas y en tuberías de producción [Tesis]. : Universidad Nacional de Ingeniería; 2016. http://hdl.handle.net/20.500.14076/5337
@misc{renati/707735,
title = "Determinación del tiempo medio entre fallas (MTBF) en sartas de varillas y en tuberías de producción",
author = "Figueroa Zapata, Gabriel Edgar",
publisher = "Universidad Nacional de Ingeniería",
year = "2016"
}
The Peruvian northwestern coast is one of the great oil-producing areas in our country. Plenty of oil-producing wells may be found there, operated mainly by jack pumps. A jack pump or pumping unit system involves using sucker rod and production tubing strings, which happen to fail from time to time, requiring then to be changed or repaired. This in turn entails downtime due to idle equipment, deferred production, and the hiring of well-service equipment, which means in the end increased costs. An efficient predictive and preventive maintenance management requires, in this case, minimizing these costs, among other ones. One way to further minimize costs is by learning in advance what is the likely time for failures to occur for both sucker rods and production tubing, thus turning the decision making process into a more effective and far-sighted one. To this end, a fundamental parameter applicable to maintenance management—specifically production tubing and sucker rod strings in pump- unit systems—is determined: the MTBF, “Mean Time Between Failures”, both for tubing and for sucker rods. The curves, obtained from actual field data (coming from Peruvian northwestern coast oil wells) by applying engineering criteria, match fairly well with the general-application expected theoretical curves according to the already developed mathematical theory, referred to below in this work. The parameter so obtained—MTBF—could then be applied with good expectations to the northwestern coast field operations. This work includes a graphical representation of the data collection process followed, to be able to—in the particular case of production tubing and sucker rod strings—determine this parameter as a first step prior to making timely decisions in that they will allow increased savings and reduced downtimes for field personnel and equipment.
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