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ISSN Druckformat: 1091-028X
ISSN Online: 1934-0508
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The Performance of Miscible Enhanced Oil Recovery Displacements in Geostatistically Generated Permeable Media Using Horizontal Wells
ABSTRAKT
The effect of heterogeneity on the performance of enhanced oil recovery (EOR) processes with horizontal wells was investigated using a three-dimensional, finite difference, chemical flood simulator (UTCHEM). We used the reservoir and fluid properties typical of an oil field from the Middle East region. Several three-dimensional heterogeneous permeable media, each with different permeability variation and spatial correlations, were generated geostatistically using the matrix decomposition method to cover a wide range of permeability variation and correlation lengths. Initially, simulations of miscible displacements with one horizontal injector and one horizontal producer were performed in all these heterogeneous reservoirs. The displacement performances of the two horizontal wells in each of the heterogeneous reservoirs were then compared with that obtained with two vertical wells (one injector and one producer). For all the permeable media, the effect of the amount of cross flow on the displacement behavior was also investigated. The study shows that the performance of miscible EOR processes with horizontal wells is strongly affected by the permeability variation and the spatial correlation of the reservoir heterogeneity. The combination of high permeability variation and high correlation length significantly reduces the performance of horizontal wells.
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Algharaib Meshal, Gharbi Ridha, Malallah Adel, Scaling Immiscible Displacements in Porous Media with Horizontal Wells, Transport in Porous Media, 65, 1, 2006. Crossref
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Gharbi Ridha, Application of an expert system to optimize reservoir performance, Journal of Petroleum Science and Engineering, 49, 3-4, 2005. Crossref
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Algharaib M., Gharbi R., The Performance of Water Floods with Horizontal and Multilateral Wells, Petroleum Science and Technology, 25, 8, 2007. Crossref
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Gharbi Ridha B.C, Use of reservoir simulation for optimizing recovery performance, Journal of Petroleum Science and Engineering, 42, 2-4, 2004. Crossref
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Gharbi Ridha, Alajmi Abdullah, Algharaib Meshal, The Potential of a Surfactant/Polymer Flood in a Middle Eastern Reservoir, Energies, 5, 1, 2012. Crossref
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