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Elastic Bending Deformation of the Drill Strings in Channels of Curve Wells

Elastic Bending Deformation of the Drill Strings in Channels of Curve Wells
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摘要 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. 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.
作者 Nabil Wanas Musa
机构地区 Department of Mechanical Engineering
出处 《Modern Mechanical Engineering》 2017年第1期1-7,共7页 现代机械工程（英文）
关键词 Curvilinear DRILLING ELASTIC BENDING CURVE Well Circular Friction Resistance FORCES Curvilinear Drilling Elastic Bending Curve Well Circular Friction Resistance Forces
分类号 O1 [理学—基础数学]
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  • 3Brett, J. F., Beckett, A. D., Holt, C. A., and Smith, D. L. 1989. "Uses and Limitations of Drillstring Tension and Torque Models for Monitoring Hole Conditions." SPE Drilling Engineering 4: 223-9.
  • 4Jonggeun, C., Schubert, J. J., and Juvkam-Wold, H. C. 2005. "Well-Control Analyses on Extended-Reach and Multilateral Trajectories." SPE Drilling and Completion 20 (2): 101-8.
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  • 7Gao, D. L., and Liu, F. W. 2013. "The Post-Buckling Behavior of a Tubular String in an Inclined Wellbore." Computer Modeling in Engineering and Sciences 90 (1): 17-36.
  • 8Gulyayev, V. I., Gaidaichuk, V. V., Solovjov, I. L., and Gorbunovich, I. V. 2009. "The Buckling of Elongated Rotating Drill Strings." Journal of Petroleum Science and Engineering 67: 140-8.
  • 9Huang, W. J., and Gao, D. L. 2014. "Helical Buckling of a Thin Rod with Connectors Constrained in a Cylinder." International Journal of Mechanical Sciences 84: 189-98.
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Modern Mechanical Engineering
2017年 第1期

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