Modeling of Wellbore Overall Heat Transfer in Circulation

Abstract:

Heat is transferred between the fluid and the surroundings in the wellbore. Quantitative knowledge of wellbore heat transfer is important in drilling and production operations. A new model of wellbore heat transfer using finite element analysis is developed in this study. This solution assumes the heat transfer in the wellbore is steady state and only happens in radial direction. The model considers heat gained due to wellbore pressure loss in circulation, which is more accurate in temperature calculation. The overall heat resistance in the wellbore is analyzed, taking into account the film heat transfer coefficients difference between the tube and the annulus. Previous literature has been reviewed to determine the correlation which can be used in the model.

• Periodical: Applied Mechanics and Materials (Volumes 260-261)
• Pages: 537-542
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.260-261.537
• Online since: December 2012
• Authors: Hui Fang Song, Rui He Wang, Hong Jian Ni
• Keywords: Heat Transfer, Nusselt Correlation, Overall Thermal Resistance, Wellbore

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