Conformance control has long been a compelling subject in improving waterflood oil recovery. The conformance control processes including Preformed Particle Gel (PPG) treatment are usually performed in mature water flooded reservoirs which typically contain fractures or very high permeability streaks. By blocking the areas previously swept by water, subsequently injected water is allowed to access the remaining unswept portions of the reservoir and thereby increase the ultimate oil recovery. Modeling the propagation of PPG through these fractures and conduits were considered as new challenges for this research study. Numerical simulation of fluid-flow in fractured reservoirs is complex due to the large contrast between matrix and fracture permeabilities, the extremely small size of fracture apertures, and the unstructured grid. One technique that has recently received a great deal of attention in achieving the so-called “in-depth water shut-off” is preformed gel injection. Discrete Fracture Model (DFM) has been proposed to model fracture networks. The integration of gel treatment and Embedded Discrete Fracture Modeling (EDFM) will help to select future conformance control candidates for a given field and to optimize the gel chemistry and treatment.
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2nd International Discrete Fracture Network Engineering Conference
June 20–22, 2018
Seattle, Washington, USA
Embedded Discrete Fracture Model (EDFM) for Gel Propagation through Fractured Reservoirs: Simulation and Experimental Investigation
Ali Alhuraishawy;
Ali Alhuraishawy
Missan Oil Company / Missouri University of Science and Technology
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B. Bai;
B. Bai
Missouri University of Science and Technology
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Mingzhen Wei;
Mingzhen Wei
Missouri University of Science and Technology
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Weiching Zhang
Weiching Zhang
Missouri University of Science and Technology
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Paper presented at the 2nd International Discrete Fracture Network Engineering Conference, Seattle, Washington, USA, June 2018.
Paper Number:
ARMA-DFNE-18-0337
Published:
June 20 2018
Citation
Alhuraishawy, Ali, Goudarzi, A., Bai, B., Wei, Mingzhen, and Weiching Zhang. "Embedded Discrete Fracture Model (EDFM) for Gel Propagation through Fractured Reservoirs: Simulation and Experimental Investigation." Paper presented at the 2nd International Discrete Fracture Network Engineering Conference, Seattle, Washington, USA, June 2018.
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