Перегляд по темі "drill string"
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Influence of deformation parameters on drill string dynamics
(Видавництво НТУ ДП, 2020)Purpose. Identifying the causes of additional energy consumption for deformation of the drill string. Methodology. The study was conducted by analyzing the causes of deformations and justifying their impact on the ... -
The impact of vibration mechanism’ installation place on the process of retrieving stuck drill pipe
(National Mining University, 2016-09-30)Purpose. The present paper studies the dependence of the dynamic oscillatory movements in the area of drill string sticking on the parameters of vibrating mechanism and place of its installation in the heavy weight drill ... -
Use of the energy of parametric oscillations to improve drilling indices
(National Mining University, 2018-09-30)Purpose. Increase of the efficiency of using energy of parametric oscillations within the assembly of drilling string bottom by means of solving nonlinear-parametric equations of a “bit – drive motor – drilled-out rock” ...