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Physical Modeling of Hydraulic Fracturing in Branched Borehole in Manmade Block

  • GEOMECHANICS
  • Published:
Journal of Mining Science Aims and scope

Abstract

Physical modeling of hydraulic fracturing is carried out in cubic blocks with an edge length of 200 mm, made of sand concrete mixed with coal fraction, in the nonuniform stress field. A fracture was created in a vertical branched hole. Computer tomography enabled studying the stress raiser at the mother and daughter hole juncture, the actual diameter of the borehole, the drilling-induced fracturing, the sizes of pores formed in consolidation of the manmade blocks, and the trajectories of the created fractures. It is found how the problem geometry and the compressive stresses affect the direction of the created fracture growth.

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Authors and Affiliations

  1. Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, 630091, Novosibirsk, Russia

    A. V. Patutin & A. A. Skulkin

  2. Klinika Sanitas, 633204, Iskitim, Russia

    V. S. Prasolova

  3. Novosibirsk State University, 630090, Novosibirsk, Russia

    V. S. Prasolova

Authors
  1. A. V. Patutin
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  2. A. A. Skulkin
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  3. V. S. Prasolova
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Correspondence to A. V. Patutin.

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Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2023, No. 2, pp. 12-20. https://doi.org/10.15372/FTPRPI20230202.

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Patutin, A.V., Skulkin, A.A. & Prasolova, V.S. Physical Modeling of Hydraulic Fracturing in Branched Borehole in Manmade Block. J Min Sci 59, 191–198 (2023). https://doi.org/10.1134/S1062739123020023

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  • DOI: https://doi.org/10.1134/S1062739123020023

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