Effects of weight on bit on torsional stick-slip vibration of oilwell drill string

Tang, Liping; Zhu, Xiaohua; Qian, Xudong; Shi, Changshuai

doi:10.1007/s12206-017-0905-7

Cited by 22 publications

(12 citation statements)

References 23 publications

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“…Cunha-Lima et al 15 developed a simplified SDOF model to study the torsional stability of the drillstring, for better understanding the causes of stick-slip phenomenon and the way to mitigate it. Based on this model, a similar mechanical model was developed by Tang et al [16][17][18] to study the effect of drilling parameters on stick-slip vibration ( Figure 3). Results showed that the rotary table velocity, the friction coefficients, and viscous damping have significant effect on both the occurrence of stick-slip vibration and its dynamics.…”

Section: Sdof Lumped Pendulum Vibration Modelsmentioning

confidence: 99%

Stick–slip vibrations in oil well drillstring: A review

Tang

Guo

Zhu

et al. 2019

Journal of Low Frequency Noise, Vibration and Active Control

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A survey of the literature related to theoretical and experimental studies on stick-slip vibration in oilwell drillstring is carried out in this study. It aims to explain key concepts and present the existing methods for studying this phenomenon. After briefly describing the stick-slip vibration related problems, theoretical models for such phenomenon are discussed including both coupled and uncoupled models. Discussion for experimental investigations including both laboratory and field tests are hereinafter addressed. This study aims to summarize the literature related to the stick-slip vibration, and help researchers in understanding and suppressing such phenomenon.

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Section: Sdof Lumped Pendulum Vibration Modelsmentioning

confidence: 99%

Stick–slip vibrations in oil well drillstring: A review

Tang

Guo

Zhu

et al. 2019

Journal of Low Frequency Noise, Vibration and Active Control

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“…They drastically decrease the rate of penetration (Qiu et al, 2018;F. Aarsnes et al, 2018), cause premature tool failures and adversely affect the borehole quality (Tang et al, 2015(Tang et al, , 2017, which significantly increases drilling costs (Zhu et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigations of Elimination The Stick-Slip Phenomenon in The Presence of Longitudinal Tangential Vibration

Leus

Abrahamowicz

2019

Acta Mechanica Et Automatica

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The article presents a scheme and description of the test stand as well as selected experimental results of the influence of longitudinal tangential vibrations on the stick-slip phenomenon. The tests were carried out at a constant forced vibration frequency f = 2000 Hz, as a function of the amplitude of the vibration velocity va. The position of the sliding body and the drive force necessary to make the body slip and maintain this motion were measured. The measurements were made in two successive stages. In the first stage, when the substrate on which the sliding occurred was stationary. In the second one, the substrate is in a vibrating motion in the direction parallel to the slip. The conducted experimental analyses have shown that longitudinal tangential vibrations can contribute to the reduction or even complete elimination of the stick-slip phenomenon.

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“…15,16 For example, reducing the WOB may mitigate the stick-slip vibration as well as the bit bounce, but the possibility of decreasing the penetration rate is enhanced. 17,18 Increasing the rotary table velocity may mitigate or suppress the stick-slip phenomenon, 19 but it may aggravate existing vibrations (e.g. lateral vibration) or trigger other types of vibration.…”

Section: Introductionmentioning

confidence: 99%

The effect of high-frequency torsional impacts on the dynamic response of a drill string in a stick state

Tang

Zhu

2019

Advances in Mechanical Engineering

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Stick-slip vibration is common in the oil well drilling process and is detrimental to down-hole equipment and drilling efficiency. In recent years, a new type of drilling technology, torsional impact drilling, has been developed to mitigate the stick-slip phenomena, particularly in the drilling of deep or abrasive formations. With this drilling technique, highfrequency torsional impacts are generated and applied to the drill bit, providing the drill bit with auxiliary energy. By mitigating or suppressing the stick-slip vibration, part of the energy wasted as a result of vibration can be regained. However, the effect of these impact loads on the dynamic response of a drill string in a stick state is unknown. In order to address this issue, a continuous system model of a drill string that includes torsional impact load was constructed. In the model, a Fourier series approach was used for the impact load, and the mechanical model was resolved with the mode superposition method. Case studies were done to understand the drill string dynamics, with and without the impact. The case study results demonstrate that high-frequency torsional impacts have little influence on the dynamic response of a drill string in a stick state.

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Effects of weight on bit on torsional stick-slip vibration of oilwell drill string

Cited by 22 publications

References 23 publications

Stick–slip vibrations in oil well drillstring: A review

Stick–slip vibrations in oil well drillstring: A review

Experimental Investigations of Elimination The Stick-Slip Phenomenon in The Presence of Longitudinal Tangential Vibration

The effect of high-frequency torsional impacts on the dynamic response of a drill string in a stick state

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