For citations:
Syzrantseva K.V., Il’inykh V.N., Kolbasin D.S. Assessing the failure probability of gearhead of drilling rig top drive system taking into account the mode of its operation. Oil and Gas Studies. 2019;(3):127-134. (In Russ.) https://doi.org/10.31660/0445-0108-2019-3-127-134
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