Abstract
A wellbore structure is usually used for underground engineering. The wellbore should be kept stable as it is subjected to earth stress in the mining engineering. A petroleum wellbore sustains the earth stress around the rock as well as the internal pressure of the oil. The stability of the wellbore is of great importance for the successful drilling.
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© 2009 Zhejiang University Press, Hangzhou and Springer-Verlag GmbH Berlin
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(2009). Unified Limit Analysis of a Wellbore. In: Structural Plasticity. Advanced Topics in Science and Technology in China. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-88152-0_14
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DOI: https://doi.org/10.1007/978-3-540-88152-0_14
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