Severity Analysis of Stick-slip Bifurcation in Drill-string Dynamics under Parameter Variation

Ibukunolu O Oladunjoye; Vahid Vaziri; James Ing; Sumeet S Aphale

doi:10.2316/P.2016.838-014

Severity Analysis of Stick-slip Bifurcation in Drill-string Dynamics under Parameter Variation

Ibukunolu O Oladunjoye, Vahid Vaziri, James Ing, Sumeet S Aphale

Research output: Chapter in Book/Report/Conference proceeding › Published conference contribution

2 Citations (Scopus)

Abstract

Bifurcations are an interesting class of dynamic behavior exhibited by many nonlinear systems. Drill string typically employed in underground oil exploration are highly nonlinear systems whose dynamic behavior has generated huge research interest. Though it is well-known that typical drill-strings behave like piecewise smooth systems and the severity of bifurcations they exhibit has not been studied in depth. In this work, a two degree of freedom (2-DOF) model of the drill-string is constructed and its dynamic behavior. In-depth analysis of the effect of parameter variation on the severity of bifurcations is conducted. This can potentially deliver key insights in the design of control strategies aimed at suppressing problematic stick-slip oscillation.

Original language	English
Title of host publication	Environment and Water Resource Management / 837: Health Informatics / 838: Modelling and Simulation / 839: Power and Energy Systems (AfricaEWRM 2016)
Editors	Prof. Gagoitseope Mmopelwa, Dr. Naomi M. Seboni, Prof. Jagdish Prakash, George O. Anderson
Publisher	ACTA Press
Pages	1-8
Number of pages	8
ISBN (Electronic)	978-0-88986-985-1
ISBN (Print)	978-0-88986-984-4
DOIs	https://doi.org/10.2316/P.2016.838-014
Publication status	Published - 26 Sept 2016

Keywords

drill-string dynamics
stick-slip oscillation
stick-slip severity
drill-string
bifurcation

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10.2316/P.2016.838-014Licence: Unspecified

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Oladunjoye, I. O., Vaziri, V., Ing, J., & Aphale, S. S. (2016). Severity Analysis of Stick-slip Bifurcation in Drill-string Dynamics under Parameter Variation. In P. G. Mmopelwa, D. N. M. Seboni, P. Jagdish Prakash, & G. O. Anderson (Eds.), Environment and Water Resource Management / 837: Health Informatics / 838: Modelling and Simulation / 839: Power and Energy Systems (AfricaEWRM 2016) (pp. 1-8). ACTA Press. https://doi.org/10.2316/P.2016.838-014

Severity Analysis of Stick-slip Bifurcation in Drill-string Dynamics under Parameter Variation. / Oladunjoye, Ibukunolu O; Vaziri, Vahid; Ing, James et al.
Environment and Water Resource Management / 837: Health Informatics / 838: Modelling and Simulation / 839: Power and Energy Systems (AfricaEWRM 2016). ed. / Prof. Gagoitseope Mmopelwa; Dr. Naomi M. Seboni; Prof. Jagdish Prakash; George O. Anderson. ACTA Press, 2016. p. 1-8.

Research output: Chapter in Book/Report/Conference proceeding › Published conference contribution

Oladunjoye, IO, Vaziri, V, Ing, J & Aphale, SS 2016, Severity Analysis of Stick-slip Bifurcation in Drill-string Dynamics under Parameter Variation. in PG Mmopelwa, DNM Seboni, P Jagdish Prakash & GO Anderson (eds), Environment and Water Resource Management / 837: Health Informatics / 838: Modelling and Simulation / 839: Power and Energy Systems (AfricaEWRM 2016). ACTA Press, pp. 1-8. https://doi.org/10.2316/P.2016.838-014

Oladunjoye IO, Vaziri V, Ing J, Aphale SS. Severity Analysis of Stick-slip Bifurcation in Drill-string Dynamics under Parameter Variation. In Mmopelwa PG, Seboni DNM, Jagdish Prakash P, Anderson GO, editors, Environment and Water Resource Management / 837: Health Informatics / 838: Modelling and Simulation / 839: Power and Energy Systems (AfricaEWRM 2016). ACTA Press. 2016. p. 1-8 doi: 10.2316/P.2016.838-014

Oladunjoye, Ibukunolu O ; Vaziri, Vahid ; Ing, James et al. / Severity Analysis of Stick-slip Bifurcation in Drill-string Dynamics under Parameter Variation. Environment and Water Resource Management / 837: Health Informatics / 838: Modelling and Simulation / 839: Power and Energy Systems (AfricaEWRM 2016). editor / Prof. Gagoitseope Mmopelwa ; Dr. Naomi M. Seboni ; Prof. Jagdish Prakash ; George O. Anderson. ACTA Press, 2016. pp. 1-8

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Severity Analysis of Stick-slip Bifurcation in Drill-string Dynamics under Parameter Variation

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Keywords

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