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1. Modeling of drilling tool vibration in the process of drilling blast wells: (Content №5 2024); ... (2016). Drill string dynamic: Improving the drilling performance by study the resonance of the experimental drill string system using 2 contact points of friction force of breaking system. 2016 7th International ...; Created on 29 October 2024
2. Drilling wells taking into account the dynamic properties of rocks: (Content №2 2024); ... is possible by installing the cavitation hydraulic vibrator in the drill string in front of the rock-cutting tool. Purpose. Evaluation of resonant modes (frequencies of oscillations) for the dynamic ...; Created on 01 May 2024
3. Improvement of the methodology for calculating the expected drilling speed with PDC chisels: (Content №1 2024); ... of long-term operated pipes of drill string. Metallofizika i Noveishie Tekhnologii, 42(12), 1715-1527. https://doi.org/10.15407/mfint.42.12.1715. 10. Ma, Y., & Xu, Y. (2022). Research into technology ...; Created on 29 February 2024
4. Influence of drilling mud pulsations on well cleanout efficiency: (Content №5 2023); ... factors with a minimum number of experiments without losing the quality of the result. Findings. The influence of factors (mud flow rates, eccentric placement of the drill string, plastic viscosity of ...; Created on 27 October 2023
5. Design of double-shoulder threaded joints of drilling string elements: (Content №3 2023); ... of the developed structures of double-shoulder threaded joints of the drill string elements were determined. A nomogram was built to determine the length of the additional shoulder pin part of the joint ...; Created on 27 June 2023
6. Optimization of technological parameters of airlift operation when drilling water wells: (Content №3 2023); ... the pressure balance in the annulus and in the drill string that occurs during drilling. Methodology. The tasks were solved by a complex research method, which includes a review and generalization of ...; Created on 27 June 2023
7. Geological structure and oil-and-gas occurrence of Prorva group of the Southern deposits of the Caspian Depression in terms of geophysical information: (Content №3 2023); ... 15(3), 95-101. https://doi.org/10.33271/mining15.03.095. 25. Zaurbekov, S. A., Kaliev, B. Z., Muzaparov, M. Z., Kadyrov, Z. N., & Kochetkov, A. V. (2015). Proper selection of drill string ...; Created on 27 June 2023
8. Determining technological properties of drilling muds: (Content №2 2023); ... drill string rotation, shape of the movement channel, and rheological properties of a cleaning agent. Methodology. Applied laboratory studies on the properties of drilling fluids are carried out using ...; Created on 28 April 2023
9. Modeling of drilling water supply wells with airlift reverse flush agent circulation: (Content №1 2023); ... (2020). Effect of geometry of internal crack-like defects on assessing trouble-free operation of long-term operated pipes of drill string. Metallofizika i Noveishie Tekhnologii, 42(12), 1715-1527. https://doi.org/10.15407/mfint.42.12.1715. ...; Created on 25 February 2023
10. Forceful interaction of the casing string with the walls of a curvilinear well: (Content №4 2022); ... bending deformation of the drill strings in channels of curve wells. Modern Mechanical Engineering, (7), 1-7. 6. Zhang, Y., & Samuel, R. (2019). Engineers Dilemma: When to Use Soft String and Stiff ...; Created on 29 August 2022
11. New methods for preventing crumbling and collapse of the borehole walls: (Content №4 2021); ... of walls of directional wells composed of rocks prone to loss of stability under the action of drill string loads. Practical value. To combat the collapse of the walls of the well composed of rocks, prone ...; Created on 23 August 2021
12. Evaluation of hydraulic power of drilling string with a cavitation hydrovibrator: (Content №3 2021); ... string hydraulic energy based on mathematical modeling of dynamic processes at the drill string with a hydraulic vibrator rock system, taking into account the nonlinear dependence of system dissipative ...; Created on 23 June 2021
13. Mathematical model of oscillations of a drill tool with a drill bit of cutting-scraping type: (Content №1 2020); ... mode parameters will allow evaluating the level of wear of the rock destruction tool, as well as to predict the durability of the drill string elements. References. 1. Kapitaniak, M., Hamaneh ...; Created on 10 March 2020
14. Deformation of the long casing string on centralizers in the process of its installation in a horizontal well: (Geotechnical and mining mechanical engineering, machine building); ... to increase its reliability and durability is considered. References. 1. Rachkevich, R. V. (2014). In-Plane Bending of a Drill String During its Compression in a Horizontal Borehole. Strength ...; Created on 26 October 2019
15. Large deformations of the casing string under its own weight in the curvilinear well: (Geotechnical and mining mechanical engineering, machine building); ... Hirnychoho Universytetu, 5, pp. 29‒35. 7. Gulyayev, V. and Shlyun, N., 2016. Influence of friction on buckling of a drill string in the circular channel of a borehole. Petroleum Science, 13, ...; Created on 26 December 2018
16. Vibrational-centrifugal surface strengthening of drill and casing pipes: (Geotechnical and mining mechanical engineering, machine building); ... value. Material capacity of long-length parts strengthened by the suggested design of strengthening equipment decreases. On a 2‒3-kilometer exploration well, the decrease in the drill string mass ...; Created on 29 October 2018
17. Analytical methods for determining the effect of the dynamic process on the nonlinear flexural vibrations and the strength of compressed shaft: (Geotechnical and mining mechanical engineering, machine building); ... and strength of machines”, 614, pp. 55‒65. 7. Ulitin, G. M., 2007. Mathematical model of impact processes in the two-stage drill strings. Vibration in engineering and technology, 3(48), pp. 68‒71. ...; Created on 17 November 2017
18. Fatigue strength of oilwell tubings screwed joints in wells curvelinear sections: (Mining); ... промисловості» / Рачкевич Руслан Володимирович; Івано-Франків. нац. техн. ун-т нафти і газу, 2006. – 20 с. Rachkevych, R.V. (2006), “Prediction of drill string fatigue life in abnormal ...; Created on 04 February 2016
19. On the issue of the increase of the drill string position determination accuracy during the study of temperature influence on primary transducer performance: (Geotechnical and mining mechanical engineering, machine building); ... error of bore-hole surveying instrument caused by the change of position of drill string. The received results were subjected to mathematical processing and the true values of sensors have been obtained. ...; Created on 10 July 2013
20. Reinforcement of drill pipes: (Geotechnical and mining mechanical engineering, machine building); ... strain load limit, strength of welded seam, drill string durability, wear resistance. Limit load criteria is material yield strength, load factor K = 1,5. Thermochemical strengthening of thread profile ...; Created on 21 November 2012

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