Fatigue strength of hybride sucker rods by B. V. Kopei, A. B. Stefanyshyn, T. P. Venhryniuk

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The effect of eccentric tension on the corrosion-fatigue resistance of pump rods by H. V. Krechkovska, Ya. T. Fedorovych, B. V. Kopei, V. V. Mykhailiuk

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Regularities of crack propagation in hybrid pumping rods by B. V. Kopei, H. V. Krechkovska, V. P. Nisonskyi, B. M. Bakun

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Increase of fatigue strength of pumping rods with treatment by a special technological environment by B. V. Kopei, O. I. Zvirko, T. P. Venhryniuk, Z. V. Slobodian, I. P. Shtoiko

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