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| Content Provider | Springer Nature Link |
|---|---|
| Author | rbeck, Jack H. McClure, Mark W. Horne, Roland N. Lo, Jonathan W. |
| Copyright Year | 2015 |
| Abstract | A numerical modeling framework is described that is able to calculate the coupled processes of fluid flow, geomechanics, and rock failure for application to general engineering problems related to reservoir stimulation, including hydraulic fracturing and shear stimulation. The numerical formulation employs the use of an embedded fracture modeling approach, which provides several advantages over more traditional methods in terms of computational complexity and efficiency. Specifically, the embedded fracture modeling strategy avoids the usual requirement that the discretization of the fracture domain conforms to the discretization of the rock volume surrounding the fractures. As fluid is exchanged between the two domains, conservation of mass is guaranteed through a coupling term that appears as a simple source term in the governing mass balance equations. In this manner, as new tensile fractures nucleate and propagate subject to mechanical effects, numerical complexities associated with the introduction of new fracture control volumes are largely negated. In addition, the ability to discretize the fractures and surrounding rock volume independently provides the freedom to choose an acceptable level of discretization for each domain separately. Three numerical examples were performed to demonstrate the utility of the embedded fracture model for application to problems involving fluid flow, mechanical deformation, and rock failure. The results of the numerical examples confirm that the embedded fracture model was able to capture accurately the complex and nonlinear evolution of reservoir permeability as new fractures propagate through the reservoir and as fractures fail in shear. |
| Ending Page | 18 |
| Page Count | 18 |
| Starting Page | 1 |
| File Format | |
| ISSN | 14200597 |
| e-ISSN | 15731499 |
| Journal | Computational Geosciences |
| Issue Number | 1 |
| Volume Number | 20 |
| Language | English |
| Publisher | Springer International Publishing |
| Publisher Date | 2015-11-13 |
| Publisher Place | Cham |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Hydraulic fracture Embedded fracture modeling Computational methods Earth Sciences Applications of mathematical programming Geotechnical Engineering & Applied Earth Sciences Finite volume methods Hydrogeology Shear stimulation Fractured reservoir simulation Fluid-solid interactions (including aero- and hydro-elasticity, porosity, etc.) Nonlinear programming Mathematical Modeling and Industrial Mathematics Reservoir geomechanics Soil Science & Conservation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computers in Earth Sciences Computational Theory and Mathematics Computer Science Applications Computational Mathematics |
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