Simulation of fluid filtration in artificially fractured reservoirs using open-source software
UDC: 622.276.1/.4.001.57
DOI: -
Authors:
TYUTYAEV ANDREY V.
1,2,
KADET VALERY V.1,
VASILIEV IVAN V.1,
MAKSIMOV ARTEMY D.1
1 National University of Oil and Gas "Gubkin University", Moscow, Russia, Samara, Russia
2 SamaraNIPIneft
Keywords: hydrodynamic modeling, man-made fracturing, filtration, geomechanics, flooding
Annotation:
This study presents a comprehensive numerical simulation of oil filtration processes in fractured-porous reservoirs using the open-source MATLAB Reservoir Simulation Toolbox. The primary focus is on investigating the coupled geomechanical and fluid flow phenomena that arise during forced water injection into the reservoir. The work implements an original sequential modeling approach, including the stage of induced fracture initiation and propagation followed by an analysis of two-phase flow in a dynamically changing fractured-porous medium. A key feature of the developed model is the incorporation of critical physical factors, such as anisotropy of reservoir permeability and storage capacity, rheological properties of fluids, and interaction between the pore space and newly formed fractures. The numerical implementation is based on a modification of standard two-phase flow equations, introducing high-permeability zones corresponding to fractures. The results clearly demonstrate the spatiotemporal dynamics of fracture network development and the associated redistribution of oil-water saturations in the reservoir. The analysis provides a quantitative assessment of fracture parameters’ impact on well productivity and helps justify optimal production strategies. The practical significance of this work lies in developing an accessible predictive modeling tool, which can be used for designing enhanced oil recovery methods and evaluating the efficiency of different stimulation technologies in complex reservoirs.
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