Abstract
The study aims to clarify the influence of deformation of drill pipe inside the raiser pipe due to axial load and torque for the off-shore boring technique To estimate the deformation of practical pipe of alternately stepped cross sections jointed with screwed thread’s fittings is so trouble-some that the ideal equivalent pipe with uniform cross section is introduced. The deformation of this ideal equivalent pipe is discussed. The most important points of this problem are made a proposal to predict the ideal equivalent pipe with sufficient effects of the drill pipe with alternately stepped cross sections in practical use.
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© 1985 Springer-Verlag Tokyo
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Tsukada, N. (1985). The Strength of the Drill Pipe for the Offshore Drilling. In: Kato, W., et al. Ocean Space Utilization ’85. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68284-4_52
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DOI: https://doi.org/10.1007/978-4-431-68284-4_52
Publisher Name: Springer, Tokyo
Print ISBN: 978-4-431-68286-8
Online ISBN: 978-4-431-68284-4
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