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easy physics questions. Will best answer

Physics
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1 a) Explain briefly about the various forces acting in drill string used in oil rigs during operation and how it is related to deformation

b)Explain the effect of temperature stress in drill string

(no plagiarism please)

Apr 29th, 2015

A drill string experience various forms of forces from pressure due to the  drilling fluid that passes via mud pumps to torque via the kelly valve.

Changes in temperature not only affect loads but also influence the load resistance of casing and tubing string  Increases in temperature can cause thermal expansion of fluids in casing and tubing annuli.

May 10th, 2015

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