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ПЕРЕХОДНЫЕ ПРОЦЕССЫ ДИНАМИЧЕСКОГО КРУЧЕНИЯ КОЛОНН ГЛУБОКОГО БУРЕНИЯ ПРИ ВРАЩЕНИИ

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International Journal InternaukaCilt 2017/5, Sayı 5

A wave model of torsional autovibrations of homogeneous drill string is elaborated in the form of a torsional pendulum. The computer simulation of non-stationary torsion motions of the drill string bits is performed for the cases of the drill string …

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