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to estimate the three in-situ stress components in the plane perpendicular to a borehole through back-analysis of measured radial displacement and/or diametrical convergence of in a single borehole / well.
Input data: radial displacement or diametrical convergence.
Number of data points:
minimum: 4,
maximum: 20.
Data points distribution around a borehole:
for radial displacement: 0 to 360 deg,
for diametrical convergence: 0 to 180 deg.
Note: the maximum number of data points is limited to 3 for the demon version and as a result, the solutions may not be reliable.
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