Numerical Investigation of the Nonlinear Drill String Dynamics Under Stick–Slip Vibration
This paper presents a comprehensive analysis of the influence of rotary table velocity, weight-on-bit, and viscous damping on the drill string stick–slip vibration. The analysis allows for studying the qualitative and quantitative variation of the dynamic response of the drill pipes and drill collar...
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| Language: | English |
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MDPI AG
2024-11-01
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| Series: | Vibration |
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| Online Access: | https://www.mdpi.com/2571-631X/7/4/56 |
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| author | Mohammad Javad Moharrami Hodjat Shiri Clóvis de Arruda Martins |
| author_facet | Mohammad Javad Moharrami Hodjat Shiri Clóvis de Arruda Martins |
| author_sort | Mohammad Javad Moharrami |
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| description | This paper presents a comprehensive analysis of the influence of rotary table velocity, weight-on-bit, and viscous damping on the drill string stick–slip vibration. The analysis allows for studying the qualitative and quantitative variation of the dynamic response of the drill pipes and drill collars/bit. To achieve this goal, a robust and practical finite element (FE) model of the full-scaled drill string was developed based on a velocity-weakening formulation of the nonlinear bit–rock interaction. A detailed investigation of damping parameters was carried out. The performance of the developed model was verified through comparisons with a lumped-parameter model and a field test example. Parametric studies on the stick–slip response of the entire drill string under different field operational conditions were conducted. The dynamical time series of the system response were analyzed in terms of the phase planes, response spectra, and descriptive statistics of the drill pipes and drill collars. The findings of the study revealed that for a realistic drill string geometry, the angular velocity (i.e., mean, peak-to-peak amplitude, and standard deviation) and dominant frequency of self-excited torsional stick–slip oscillations along the drill pipes and drill collars/bit are mainly governed by the rotary table velocity. Furthermore, it was shown that the contribution of higher harmonics in the torsional stick–slip response of the drill pipes is more substantial than the drill collars/bit. |
| format | Article |
| id | doaj-art-caf992b2e4e84b52bc9dd97aa78f7bf6 |
| institution | DOAJ |
| issn | 2571-631X |
| language | English |
| publishDate | 2024-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Vibration |
| spelling | doaj-art-caf992b2e4e84b52bc9dd97aa78f7bf62025-08-20T02:39:41ZengMDPI AGVibration2571-631X2024-11-01741086111010.3390/vibration7040056Numerical Investigation of the Nonlinear Drill String Dynamics Under Stick–Slip VibrationMohammad Javad Moharrami0Hodjat Shiri1Clóvis de Arruda Martins2Civil Engineering Department, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John’s, NL A1B 3X5, CanadaCivil Engineering Department, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John’s, NL A1B 3X5, CanadaOffshore Mechanics Laboratory, Mechanical Engineering Department, Polytechnic School, University of São Paulo, São Paulo 05508-030, SP, BrazilThis paper presents a comprehensive analysis of the influence of rotary table velocity, weight-on-bit, and viscous damping on the drill string stick–slip vibration. The analysis allows for studying the qualitative and quantitative variation of the dynamic response of the drill pipes and drill collars/bit. To achieve this goal, a robust and practical finite element (FE) model of the full-scaled drill string was developed based on a velocity-weakening formulation of the nonlinear bit–rock interaction. A detailed investigation of damping parameters was carried out. The performance of the developed model was verified through comparisons with a lumped-parameter model and a field test example. Parametric studies on the stick–slip response of the entire drill string under different field operational conditions were conducted. The dynamical time series of the system response were analyzed in terms of the phase planes, response spectra, and descriptive statistics of the drill pipes and drill collars. The findings of the study revealed that for a realistic drill string geometry, the angular velocity (i.e., mean, peak-to-peak amplitude, and standard deviation) and dominant frequency of self-excited torsional stick–slip oscillations along the drill pipes and drill collars/bit are mainly governed by the rotary table velocity. Furthermore, it was shown that the contribution of higher harmonics in the torsional stick–slip response of the drill pipes is more substantial than the drill collars/bit.https://www.mdpi.com/2571-631X/7/4/56drill stringstick–slipnonlinear dynamic vibrationfinite element modelingRayleigh viscous dampingparametric analysis |
| spellingShingle | Mohammad Javad Moharrami Hodjat Shiri Clóvis de Arruda Martins Numerical Investigation of the Nonlinear Drill String Dynamics Under Stick–Slip Vibration Vibration drill string stick–slip nonlinear dynamic vibration finite element modeling Rayleigh viscous damping parametric analysis |
| title | Numerical Investigation of the Nonlinear Drill String Dynamics Under Stick–Slip Vibration |
| title_full | Numerical Investigation of the Nonlinear Drill String Dynamics Under Stick–Slip Vibration |
| title_fullStr | Numerical Investigation of the Nonlinear Drill String Dynamics Under Stick–Slip Vibration |
| title_full_unstemmed | Numerical Investigation of the Nonlinear Drill String Dynamics Under Stick–Slip Vibration |
| title_short | Numerical Investigation of the Nonlinear Drill String Dynamics Under Stick–Slip Vibration |
| title_sort | numerical investigation of the nonlinear drill string dynamics under stick slip vibration |
| topic | drill string stick–slip nonlinear dynamic vibration finite element modeling Rayleigh viscous damping parametric analysis |
| url | https://www.mdpi.com/2571-631X/7/4/56 |
| work_keys_str_mv | AT mohammadjavadmoharrami numericalinvestigationofthenonlineardrillstringdynamicsunderstickslipvibration AT hodjatshiri numericalinvestigationofthenonlineardrillstringdynamicsunderstickslipvibration AT clovisdearrudamartins numericalinvestigationofthenonlineardrillstringdynamicsunderstickslipvibration |