Hydraulic fracture propagation: analytical solutions versus Lattice simulations

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BAKHSHI E.; RASOULI V.; GHORBANI A.; FATEHI MARJI M.

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Journal: JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES) Year:2019 | Volume:10 | Issue:2 Page(s): 451-464

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Title

Hydraulic fracture propagation: analytical solutions versus Lattice simulations

Author(s)

BAKHSHI E. | RASOULI V. | GHORBANI A. | FATEHI MARJI M. | Issue Writer Certificate

Keywords

Hydraulic Fracturing PropagationQ1

LatticeQ1

Numerical SimulationsQ1

Analytical SolutionsQ1

Abstract

In this work, we used a grain-based numerical model based on the concept of Lattice. The modelling was done to simulate the lab experiments carried out on the mortar samples. Also the Analytical Solutions corresponding to the viscosity-dominated regime were used to estimate the fracture length and width, and the results obtained were compared with the Numerical Simulations. As the Analytical Solutions are proposed for a penny-shaped fracture with no presence of any obstacle such as natural interfaces, in this work, we presented the results of Lattice simulations for hydraulic fracturing in the cement sample, similar to the lab, but with no natural fractures, and compared the results obtained with Analytical Solutions. The results indicated that in the case of a continuous medium, the Analytical Solutions may present a reasonable estimation of the fracture geometry. Also the viscosity-dominated leak-off model showed a better match between the Analytical Solutions and the numerical simulation results, confirmed by observing fluid loss into the sample in the lab post-experiment. In the case of assuming leak-off, the results indicated that the fracture width and length would reduce. However, it should be noted that in real cases, rock formations exhibit fractures and inhomogeneity at different scales so that the applications of the Analytical Solutions are limited.

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APA: Copy

BAKHSHI, E., RASOULI, V., GHORBANI, A., & FATEHI MARJI, M.. (2019). Hydraulic fracture propagation: analytical solutions versus Lattice simulations. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), 10(2 ), 451-464. SID. https://sid.ir/paper/256295/en

Vancouver: Copy

BAKHSHI E., RASOULI V., GHORBANI A., FATEHI MARJI M.. Hydraulic fracture propagation: analytical solutions versus Lattice simulations. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES)[Internet]. 2019;10(2 ):451-464. Available from: https://sid.ir/paper/256295/en

IEEE: Copy

E. BAKHSHI, V. RASOULI, A. GHORBANI, and M. FATEHI MARJI, “Hydraulic fracture propagation: analytical solutions versus Lattice simulations,” JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), vol. 10, no. 2 , pp. 451–464, 2019, [Online]. Available: https://sid.ir/paper/256295/en

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