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Article

An Open-Source Code for Fluid Flow Simulations in Unconventional Fractured Reservoirs

1
Craft and Hawkins Department of Petroleum Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
2
Dipartimento di Ingegneria dell’Innovazione, Università del Salento, 73100 Lecce, Italy
*
Author to whom correspondence should be addressed.
Academic Editors: Meng Lu and Jesus Martinez-Frias
Geosciences 2021, 11(2), 106; https://doi.org/10.3390/geosciences11020106
Received: 5 January 2021 / Revised: 4 February 2021 / Accepted: 12 February 2021 / Published: 22 February 2021
(This article belongs to the Special Issue Quantitative Fractured Rock Hydrology)
In this article, an open-source code for the simulation of fluid flow, including adsorption, transport, and indirect hydromechanical coupling in unconventional fractured reservoirs is described. The code leverages cutting-edge numerical modeling capabilities like automatic differentiation, stochastic fracture modeling, multicontinuum modeling, and discrete fracture models. In the fluid mass balance equation, specific physical mechanisms, unique to organic-rich source rocks, are included, like an adsorption isotherm, a dynamic permeability-correction function, and an Embedded Discrete Fracture Model (EDFM) with fracture-to-well connectivity. The code is validated against an industrial simulator and applied for a study of the performance of the Barnett shale reservoir, where adsorption, gas slippage, diffusion, indirect hydromechanical coupling, and propped fractures are considered. It is the first open-source code available to facilitate the modeling and production optimization of fractured shale-gas reservoirs. The modular design also facilitates rapid prototyping and demonstration of new models. This article also contains a quantitative analysis of the accuracy and limitations of EDFM for gas production simulation in unconventional fractured reservoirs. View Full-Text
Keywords: fluid flow in unconventional reservoirs; shale gas production; EDFM; Barnett shale fluid flow in unconventional reservoirs; shale gas production; EDFM; Barnett shale
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MDPI and ACS Style

Wang, B.; Fidelibus, C. An Open-Source Code for Fluid Flow Simulations in Unconventional Fractured Reservoirs. Geosciences 2021, 11, 106. https://doi.org/10.3390/geosciences11020106

AMA Style

Wang B, Fidelibus C. An Open-Source Code for Fluid Flow Simulations in Unconventional Fractured Reservoirs. Geosciences. 2021; 11(2):106. https://doi.org/10.3390/geosciences11020106

Chicago/Turabian Style

Wang, Bin, and Corrado Fidelibus. 2021. "An Open-Source Code for Fluid Flow Simulations in Unconventional Fractured Reservoirs" Geosciences 11, no. 2: 106. https://doi.org/10.3390/geosciences11020106

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