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Application of 3D Embedded Discrete Fracture Model for Simulating CO 2 -EOR and Geological Storage in Fractured Reservoirs.
- Source :
- Atmosphere; Feb2022, Vol. 13 Issue 2, p229, 1p
- Publication Year :
- 2022
-
Abstract
- For greenhouse gas control and environment protection, CO<subscript>2</subscript> emission reduction has become a hot spot in global research. CO<subscript>2</subscript> injection in developed oil reservoirs to enhance oil recovery is widely regarded as one of the most economical and promising measures for reducing anthropogenic CO<subscript>2</subscript> emissions into the atmosphere. In this paper, a three-dimensional embedded discrete fracture model is proposed and applied to simulate CO<subscript>2</subscript> flooding and geological storage processes in hydraulically fractured reservoirs. The gas injection is simplified as a two-phase two-component mathematical model with the varying pressure-related fluid physical properties, and its accuracy is verified by commercial software tNavigator<superscript>®</superscript>. The advantage of this model is that it can deal with the complex geological conditions of three-dimensional arbitrary-inclined fracture networks and accurately assess the effects of CO<subscript>2</subscript>-EOR and geological sequestration in real reservoirs. Two application cases of CO<subscript>2</subscript> huff-and-puff with a single well and inter-fracture asynchronous injection and production are demonstrated and explained in detail. The optimized technological parameters and CO<subscript>2</subscript> saturation distribution can provide key technical parameters for field operations. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 20734433
- Volume :
- 13
- Issue :
- 2
- Database :
- Complementary Index
- Journal :
- Atmosphere
- Publication Type :
- Academic Journal
- Accession number :
- 155713293
- Full Text :
- https://doi.org/10.3390/atmos13020229