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Computing the 3D in-situ stress field from shut-in pressure data using statistical regression

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Abstract

The paper describes a multivariable statistical regression technique for computing the 3D stress tensor applied to the shut-in pressure data obtained on fractures during in-situ stress measurement by hydraulic fracturing in a short borehole. This method computes the mean value of components of the 3D stress tensor and their confidence intervals at a desired confidence level. This has been applied to the data of shut-in pressure from Narwapahar mine, India and Kamaishi mine, Japan. The computed in-situ stress tensor is corroborated with that obtained by other methods.

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Authors and Affiliations

  1. Department of Mining Engineering, Indian School of Mines, Dhanbad –, 826 004, India.

    Upendra K. Singh

  2. Department of Mining Engineering, Indian School of Mines, Dhanbad –, 826 004, India

    Bharat C. Sahoo

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  1. Upendra K. Singh
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  2. Bharat C. Sahoo
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Singh, U.K., Sahoo, B.C. Computing the 3D in-situ stress field from shut-in pressure data using statistical regression. Geotechnical and Geological Engineering 18, 119–137 (2000). https://doi.org/10.1023/A:1008961423474

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  • DOI: https://doi.org/10.1023/A:1008961423474

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