Hydraulic fracturing of tight sandstone reservoirs is an important method of developing this type of unconventional oil and gas resources. The evaluation of in-situ stress distribution and rock mechanical parameters of fractured wells is the prerequisite for fracturing design. Therefore, the development of a calculation method to evaluate the stress distribution and mechanical parameters of rocks, based on a single well in-situ stress data, is the key to establish the optimal fracturing design. In this paper, based on the correlation between the laboratory experimental data and the logging response, we have plotted the initial stress profile and then applied the proposed method of combining density curve and natural gamma curve to correct the calculation results. In the case of a limited number of wells, the obtained profile correction model demonstrated satisfactory matching with laboratory experimental data.
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 3, pp. 70–76, May–June, 2021.
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Han, X., Yi, Xy., Zhou, Cl. et al. Study on Rock Mechanics Parameters and In-Situ Stress Profile Construction and Correction Method Based on Well Log Interpretation. Chem Technol Fuels Oils 57, 518–528 (2021). https://doi.org/10.1007/s10553-021-01274-3
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DOI: https://doi.org/10.1007/s10553-021-01274-3