A modal approach for chaotic vibrations of a drillstring

Kathira Mongkolcheep, Alan Palazzolo, Annie Ruimi, Randall Tucker

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

The purpose of this paper is to present a methodology to predict vibrations of drilllstrings for oil recovery service. The paper extends a previous model in the literature to include drill collar flexibility utilizing a modal coordinate condensed, finite element approach. The nonlinear effects of drillstring / borehole contact, friction and quadratic damping are included. Bifurcation diagrams are presented to illustrate the effects of speed, friction, stabilizer gap and drill collar length on chaotic vibration response. A study is conducted on factors for improving the accuracy of Lyapunov Exponents to predict the presence of chaos. This study considers the length of time to steady state, the number and duration of linearization sub-intervals, the presence of rigid body modes and the number of finite elements and modal coordinates. The results may be helpful for computing Lyapunov exponents of other types of nonlinear vibrating systems with many degrees of freedom.

Original languageEnglish
Title of host publicationASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009
Pages1305-1314
Number of pages10
Volume1
EditionPARTS A AND B
DOIs
Publication statusPublished - 2009
EventASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009 - San Diego, CA, United States
Duration: 30 Aug 20092 Sep 2009

Other

OtherASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009
CountryUnited States
CitySan Diego, CA
Period30/8/092/9/09

Fingerprint

Drill collars
Lyapunov Exponent
Friction
Vibration
Finite Element
Predict
Nonlinear Effects
Bifurcation Diagram
Boreholes
Linearization
Rigid Body
Chaos theory
Damping
Chaos
Recovery
Nonlinear Systems
Degree of freedom
Flexibility
Contact
Interval

ASJC Scopus subject areas

  • Mechanical Engineering
  • Computer Graphics and Computer-Aided Design
  • Computer Science Applications
  • Modelling and Simulation

Cite this

Mongkolcheep, K., Palazzolo, A., Ruimi, A., & Tucker, R. (2009). A modal approach for chaotic vibrations of a drillstring. In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009 (PARTS A AND B ed., Vol. 1, pp. 1305-1314) https://doi.org/10.1115/DETC2009-87844

A modal approach for chaotic vibrations of a drillstring. / Mongkolcheep, Kathira; Palazzolo, Alan; Ruimi, Annie; Tucker, Randall.

ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009. Vol. 1 PARTS A AND B. ed. 2009. p. 1305-1314.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mongkolcheep, K, Palazzolo, A, Ruimi, A & Tucker, R 2009, A modal approach for chaotic vibrations of a drillstring. in ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009. PARTS A AND B edn, vol. 1, pp. 1305-1314, ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009, San Diego, CA, United States, 30/8/09. https://doi.org/10.1115/DETC2009-87844
Mongkolcheep K, Palazzolo A, Ruimi A, Tucker R. A modal approach for chaotic vibrations of a drillstring. In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009. PARTS A AND B ed. Vol. 1. 2009. p. 1305-1314 https://doi.org/10.1115/DETC2009-87844
Mongkolcheep, Kathira ; Palazzolo, Alan ; Ruimi, Annie ; Tucker, Randall. / A modal approach for chaotic vibrations of a drillstring. ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009. Vol. 1 PARTS A AND B. ed. 2009. pp. 1305-1314
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