Effect of Axial Vibration on Sliding Frictional Force between Shale and 45 Steel

Activating drill string vibration is an effective means to mitigate the excessive drag encountered during drilling complex-structure wells. However, the Coulomb model cannot describe the sliding friction behavior between drill string and borehole rock with imposed axial vibrations. To solve this pro...

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Bibliographic Details
Main Authors: Wu Hao, Chen Ping, Liu Yang, Ma Tianshou
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Shock and Vibration
Online Access:http://dx.doi.org/10.1155/2018/4179312
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