Axial-Force-Transfer-of-Buckled-Drill-Pipe-in-Deviated-Wells PDF 3
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Axial force transfer is an issue in deviated wells where friction and buckling phenomenon take place. The<br>general perception of the industry is that once drill pipe exceeds conventional buckling criteria, such as PaslayDawson, axial force cannot be transferred down-hole anymore. This paper shows that, even though buckling<br>criteria are exceeded, axial force transfer could be still good if drill pipe is in rotation. On the contrary, there<br>exists sliding operations where lockup is observed, due to buckling, even though standard buckling criteria are<br>not exceeded. This paper is intended to show an
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Axial-Force-Transfer-of-Buckled-Drill-Pipe-in-Deviated-Wells PDF 3
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