Abstract
The problem of fluid withdrawal/injection from a reservoir into a wellbore in the presence of a hydraulic fracture that is perpendicular to the wellbore at a constant pressure difference between the wellhead and the reservoir is under consideration. Analytical solutions that describe the evolution of pressure in the fracture and fluid flow into the wellbore are obtained. Approximate solutions are constructed using the method of successive change of steady states. Exact and approximate solutions of problems for determining the pressure fields in the fracture and the volumetric flow rate of fluid from the wellbore into the fracture are compared, and it is shown that they practically match (the relative difference does not exceed 1–2%). In this case, calculation time for approximate solutions is significantly reduced. This contributes to the development of effective computational algorithms for transient modes of the wellbore operation in reservoirs with complicated reservoir characteristics. The influence of the characteristics of a reservoir and a fracture on the evolution of pressure in the fracture and fluid flow into the wellbore is analyzed.
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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2021, Vol. 63, No. 4, pp. 105-115. https://doi.org/10.15372/PMTF20220411.
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Shagapov, V.S., Nagaeva, Z.M. & Anosova, E.P. ELASTIC FILTRATION OF FLUID TO A WELLBORE THROUGH A FRACTURE PERPENDICULAR TO IT AND FORMED DURING HYDRAULIC FRACTURING. J Appl Mech Tech Phy 63, 643–651 (2022). https://doi.org/10.1134/S0021894422040113
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DOI: https://doi.org/10.1134/S0021894422040113