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Mechanical Sciences An open-access journal for theoretical and applied mechanics
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MS | Articles | Volume 10, issue 2
Mech. Sci., 10, 363–371, 2019
https://doi.org/10.5194/ms-10-363-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Mech. Sci., 10, 363–371, 2019
https://doi.org/10.5194/ms-10-363-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 17 Jul 2019

Research article | 17 Jul 2019

Analysis on the lateral vibration of drill string by mass effect of drilling fluid

Chunxu Yang et al.
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Latest update: 17 Sep 2019
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Short summary
Our investigations concern the dynamics of drillstring, experiment apparatus for simulating drillstring vibration was established. Hammering method is used to measure drillstring lateral natural vibration frequency when the internal and external drilling fluid is considered. The test results show that the drilling fluid can decrease the natural frequency of the drillstring. Additional mass coefficient can get the result with high precision, which can meet the needs of the project.
Our investigations concern the dynamics of drillstring, experiment apparatus for simulating...
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