Study on Stress Distribution of Casing under Different Elliptical Combinations
Journal Title: Scholars Journal of Engineering and Technology - Year 2017, Vol 5, Issue 5
Abstract
The study is based on the mechanical model of soil-cement ring-casing and uses the finite element software ANSYS. We select a certain combination of loads, study the situation of ideal round casing and ideal round cement ring combination, the situation of Ideal round casing and oval cement ring combination, and the situation of initial elliptical bushing and elliptical cement ring combination. In addition, we obtained the stress distribution of each part in different cases .It is concluded that the existence of casing ellipticity and the presence of cement ring will greatly affect the distribution of stress values of casing, cement ring and formation, and will affect the maximum size and appearance of each part s position. Keywords: casing; cement ring; soil layer; ellipticity; stress distribution.
Authors and Affiliations
Zhang Bengbeng, Cu Yanghua
Keywords
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