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Journal of Porous Media
インパクトファクター: 1.49 5年インパクトファクター: 1.159 SJR: 0.504 SNIP: 0.671 CiteScore™: 1.58

ISSN 印刷: 1091-028X
ISSN オンライン: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v4.i2.20
14 pages

The Performance of Miscible Enhanced Oil Recovery Displacements in Geostatistically Generated Permeable Media Using Horizontal Wells

Ridha B. Gharbi
Department of Petroleum Engineering, College of Engineering & Petroleum, Kuwait University, P. O. Box 5969, Safat 13060, Kuwait
Ali A. Garrouch
Department of Petroleum Engineering, Faculty of Engineering & Petroleum, Kuwait University, P. O. Box 5969, Safat 13060, Kuwait

要約

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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