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Keywords: borehole stability
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Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-074
... on the pressure distribution in the borehole wall is simulated. According to the mathematical model, the various parameters which effect the collapsed pressure for borehole stability are analyzed in detail, including non-uniform in-situ stress coefficient, hole size, permeability, pore pressure, internal friction...

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