- 1. Design of double-shoulder threaded joints of drilling string elements
- (Content №3 2023)
- ... the screwing torque/moment and researching the design of double-shoulder threaded joints while preserving their geometric parameters. Determination of the optimal length of the additional shoulder pin ...
- Created on 27 June 2023
- 2. Gas flow measuring system using signal processing on the basis of entropy estimations
- (Content №5 2021)
- ... 18. Shatskyi, I., Ropyak, L., & Velychkovych, A. (2020). Model of contact interaction in threaded joint equipped with spring-loaded collet. Engineering Solid Mechanics, 8(4), 301-312. https://doi.org/10.5267/ ...
- Created on 29 October 2021
- 3. New methods for preventing crumbling and collapse of the borehole walls
- (Content №4 2021)
- ... Thread Joint Details. Proceedings of the International Conference on Advanced Optoelectronics and Lasers (CAOL), 9019544, 493-497. https://doi.org/10.1109/CAOL46282.2019.9019544. 10. Shatskyi, I., Ropyak, ...
- Created on 23 August 2021
- 4. Force and pressure function formulation for direct cold extrusion of aluminum alloy Al 1350 using regression method
- (Content №3 2021)
- ... & Zhao, Yo.-Q. (2020).Numerical Simulation and Process Optimization of Internal Thread Cold Extrusion Process. Materials, 13(18), 3960. https://doi.org/10.3390/ma13183960. 6. A Nurul, M., & Syahrullail, ...
- Created on 23 June 2021
- 5. Direct method of studying heat exchange in multilayered bodies of basic geometric forms with imperfect heat contact
- (Content №1 2021)
- ... interaction in threaded joint equipped with spring-loaded collet.Engineering Solid Mechanics,8(4), 301-312. https://doi.org/10.5267/j.esm.2020.4.002. 2. Bulbuk, O., Velychkovych, A., Mazurenko, V., Ropyak, ...
- Created on 05 March 2021
- 6. Contens 04 2019
- (Contens №4 2019)
- ... pipe by strengthening of thread connections of its elements 22 V.V.Bondarenko, D.I.Skurikhin, R.I.Vizniak, V.H.Ravlyuk, V.I.Skurikhin.Experimental ...
- Created on 01 September 2019
- 7. Improving reliability of drill pipe by strengthening of thread connections of its elements
- (Geotechnical and Mining Mechanical Engineering, Machine Building)
- ... steel. The main task of this strengthening operation is redistribution of technological tensile stresses in the material of thread roots, surface strengthening of the metal in the thread roots and formation ...
- Created on 19 August 2019
- 8. On formation of electrically conductive phases under electrothermal activation of ferruginous carbonates
- (Solid-State Physics, Mineral Processing)
- ... high-conductivity threads. Practical value. Experimental results show that such processes occurring in rock are quite real under the conditions of the earth’s crust, and the physical values of thermodynamic ...
- Created on 06 September 2017
- 9. Genetic-bee colony dual-population self-adaptive hybrid algorithm based on information entropy
- (Information technologies, systems analysis and administration)
- ... Research Part D: Transport and Environment, vol. 31, no. 8, pp. 85−99. 8. A.J. Umbarkar, M.S. Joshi, and Wei-Chiang Hong, 2014. Multithreaded parallel dual population genetic algorithm (MPDPGA) for ...
- Created on 02 April 2016
- 10. Experimental determination of the frictional properties of the flexible body sliding over a block
- (Geotechnical and mining mechanical engineering, machine building)
- Authors: M.O. Lubenets, Cand. Sci. (Tech.), Associate Professor, State Higher Educational Institution “National Mining University”, Senior Lecturer of the Department of Transport Systems and Technologies, ...
- Created on 02 April 2016
- 11. Fatigue strength of oilwell tubings screwed joints in wells curvelinear sections
- (Mining)
- ... / Василишин Віталій Ярославович; Івано-Франків. нац. техн. ун-т нафти і газу, 2013. – 20 с. Vasylyshyn, V.Ya. (2013), “Improving the perfor-mance of threaded pipe connections oil grades”, Abstract ...
- Created on 04 February 2016
- 12. The mathematical model of asynchronous traction motor taking into account the saturation of magnetic circuits
- (Electrical complexes and systems)
- ... to the contours of the machine; as well as the joint saturation worker thread and threads scattering modes that are characterized by the significant size of the workflow and large values of currents contours ...
- Created on 14 January 2015
- 13. Prospects for development of joints of deep-water vertical pipes of large diameter (reisers). Threaded connections of raisers
- (Geotechnical and mining mechanical engineering, machine building)
- ... rectangular, round, special thread profile and with rounded edges to minimize stress concentration and with blocking devices. It has been presented the data about the special thread profile giving almost ...
- Created on 26 December 2012
- 14. 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
- 15. Development prospects of vertical joints of large diameter deep-water pipes (risers). Bayonet connections of risers
- (Geotechnical and mining mechanical engineering, machine building)
- ... placed in the space between the face ends of pipe sections or union threaded bushing screwed on the nipple end of the pipe section and therefore squeezing the bell-mouthed end of the connection section. ...
- Created on 13 November 2012