Coupled Vibration Analysis in Oil Well Drilling Systems

https://doi.org/10.58571/CNCA.AMCA.2025.026

Resumen: During oil well drilling process, vibrations can reduce operating efficiency and damage equipment. This paper presents a model that describes the coupled torsional, axial and lateral dynamics of a drill string. Using a stability approach based on Lyapunov theory, the controller gains that ensure system stability are determinated. Numerical simulations show that the implemented control eliminates torsional and axial oscillations and significantly attenuates lateral vibrations, contribuiting to improved overall drilling system performance.

¿Cómo citar?

Cruz, E., Saldivar, B. & Mondié, S. (2025). Coupled Vibration Analysis in Oil Well Drilling Systems. Memorias del Congreso Nacional de Control Automático 2025, pp. 149-154. https://doi.org/10.58571/CNCA.AMCA.2025.026

Palabras clave

time delay system, drill string, torsional vibration, axial vibration, lateral vibration, satility, Lyapunov theory.

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