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Elastic Bending Deformation of the Drill Strings in Channels of Curve Wells
Department of Mechanical Engineering, Philadelphia University, Amman, Jordan
- 1 Department of Mechanical Engineering, Philadelphia University, Amman, Jordan
Modern Mechanical Engineering·Volume 07 (2017)·Pages 1–7·Published 6 February 2017·DOI10.4236/mme.2017.71001
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Abstract
The problem about identification of elastic bending deformation of a drill string in a curve wells based on the theory of flexible curved rods and the direct inverse problems of drill string bending in the channels of curvilinear bore-holes is stated. The problem is solved which determines the resistance forces and moments during performing ascending-descending operations in curvilinear bore-holes with trajectories of the second order curve shapes. The sensitivity of the resistance forces relative to geometric parameters of the bore-hole axial line trajectories is analyzed.
KeywordsCurvilinear DrillingElastic BendingCurve WellCircular FrictionResistance Forces
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