Experimental studies of forward and backward whirls of drill-string

Marcin Kapitaniak; Vahid Vaziri; Joseph Páez Chávez; Marian Wiercigroch

doi:10.1016/j.ymssp.2017.07.014

Experimental studies of forward and backward whirls of drill-string

Marcin Kapitaniak, Vahid Vaziri, Joseph Páez Chávez, Marian Wiercigroch^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

60 Citations (Scopus)

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Abstract

In this work we investigate forward and backward whirls of a drill-string using a novel experimental drilling rig (Wiercigroch, 2010) capable of reproducing major types of drill-string vibration, including stick-slip, bit-bounce and whirling. We focus our attention on whirling motion of the Bottom Hole Assembly (BHA) with a particular attention to the co-existence of forward and backward whirls. We present experimental results, showing for the first time co-existing whirling solutions and characterizing the parameter space in which different whirls can be observed. Those results are then used to calibrate a simple mathematical model, which can be used for further studies of whirling phenomena.

Original language	English
Pages (from-to)	454-465
Number of pages	12
Journal	Mechanical Systems and Signal Processing
Volume	100
Early online date	5 Aug 2017
DOIs	https://doi.org/10.1016/j.ymssp.2017.07.014
Publication status	Published - 1 Feb 2018

Bibliographical note

The authors wish to thank BG Group plc for the financial support to this research.

Keywords

experimental studies
drill-string dynamics
lateral vibration
forward and backward whirls
co-existing attractors

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10.1016/j.ymssp.2017.07.014Licence: Unspecified

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© 2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Accepted author manuscript, 3.2 MBLicence: CC BY-NC-ND

Cite this

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title = "Experimental studies of forward and backward whirls of drill-string",

abstract = "In this work we investigate forward and backward whirls of a drill-string using a novel experimental drilling rig (Wiercigroch, 2010) capable of reproducing major types of drill-string vibration, including stick-slip, bit-bounce and whirling. We focus our attention on whirling motion of the Bottom Hole Assembly (BHA) with a particular attention to the co-existence of forward and backward whirls. We present experimental results, showing for the first time co-existing whirling solutions and characterizing the parameter space in which different whirls can be observed. Those results are then used to calibrate a simple mathematical model, which can be used for further studies of whirling phenomena.",

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AU - Kapitaniak, Marcin

AU - Vaziri, Vahid

AU - Páez Chávez, Joseph

AU - Wiercigroch, Marian

N1 - The authors wish to thank BG Group plc for the financial support to this research.

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N2 - In this work we investigate forward and backward whirls of a drill-string using a novel experimental drilling rig (Wiercigroch, 2010) capable of reproducing major types of drill-string vibration, including stick-slip, bit-bounce and whirling. We focus our attention on whirling motion of the Bottom Hole Assembly (BHA) with a particular attention to the co-existence of forward and backward whirls. We present experimental results, showing for the first time co-existing whirling solutions and characterizing the parameter space in which different whirls can be observed. Those results are then used to calibrate a simple mathematical model, which can be used for further studies of whirling phenomena.

AB - In this work we investigate forward and backward whirls of a drill-string using a novel experimental drilling rig (Wiercigroch, 2010) capable of reproducing major types of drill-string vibration, including stick-slip, bit-bounce and whirling. We focus our attention on whirling motion of the Bottom Hole Assembly (BHA) with a particular attention to the co-existence of forward and backward whirls. We present experimental results, showing for the first time co-existing whirling solutions and characterizing the parameter space in which different whirls can be observed. Those results are then used to calibrate a simple mathematical model, which can be used for further studies of whirling phenomena.

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Experimental studies of forward and backward whirls of drill-string

Abstract

Bibliographical note

Keywords

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