Self-excited vibrations of a drillstring bit

被引：0

作者：

Gulyaev V.I. ^{[1
]}

Lugovoi P.Z. ^{[2
]}

Borshch E.I. ^{[1
]}

机构：

[1] National University of Transport, 01010, Kyiv

[2] S. P. Timoshenko Institute of Mechanics, National Academy of Sciences of Ukraine, 03057, Kyiv

来源：

International Applied Mechanics | 2013年 / 49卷 / 03期

关键词：

drillstring; frictional force; nonconservative moment; rotating drill bit; whirling vibration;

D O I：

10.1007/s10778-013-0573-y

中图分类号：

学科分类号：

摘要：

The whirling vibrations of a rotating drillstring bottom-hole assembly subject to the moment of friction are analyzed qualitatively. A problem statement and solution are given. The self-excitation of vibrations is simulated. It is established that during the self-excitation of whirling vibrations, the axial line of the drill bit can slowly and rapidly move over intricately shaped nonsmooth conical surfaces © 2013 Springer Science+Business Media New York.

引用

页码：350 / 359

页数：9

共 19 条

[1] WIRL VIBRATIONS OF THE DRILLSTRING BOTTOM HOLE ASSEMBLY
Gulyaev, V. I.
Khudolii, S. N.
Borshch, E. I.
STRENGTH OF MATERIALS, 2010, 42 (06) : 637 - 646
[2] Wirl vibrations of the drillstring bottom hole assembly
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S. N. Khudolii
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Strength of Materials, 2010, 42 : 637 - 646
[3] Energy transfer through parametric excitation to reduce self-excited drill string vibrations
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[6] Experimentally-tuned mathematical model for drillstring vibrations
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[9] Analysis of coupling axial vibrations between drilling fluids and drillstring
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[10] Dynamic Surface Control for the Reduction of Torsional Vibrations in a Scaled Experimental Drillstring Setup
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