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Experimental studies of forward and backward whirls of drill-string
ArticleAbstract: In this work we investigate forward and backward whirls of a drill-string using a novel experimentalPalabras claves:Co-existing attractors, Drill-string dynamics, experimental studies, Forward and backward whirls, Lateral vibrationAutores:Joseph Páez Chávez, Kapitaniak M., Marian Wiercigroch, Vaziri V.Fuentes:googlescopusDynamics and frequency and voltage control of downhole oil pumping system
ArticleAbstract: The motor load torque of a typical pumping system employed in onshore oil-fields has a fluctuating ‘Palabras claves:Dynamics, Electro-mechanical model, ENERGY SAVING, Frequency and voltage control, Pumping systemAutores:Aphale S.S., Dong S., Li W., Marian Wiercigroch, Vaziri V.Fuentes:scopus