Velocity anisotropy and heterogeneity around a borehole

Abstract
The knowledge of the in situ stress state around a borehole is of primary importance when estimating the stability of the borehole, or designing an optimal drilling trajectory in order to minimize the circumferential stress around the borehole. In this paper, we present an approach for calculating the stress field surrounding a borehole in rock with nonlinear anisotropic elastic properties and for predicting how that stress field changes with...
Paper Details
Title
Velocity anisotropy and heterogeneity around a borehole
Published Date
Jan 1, 2007
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