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ISSN 961-91393-0-5
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 Year 1997
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606 pages
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Volume price - $192.00
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INVESTIGATION OF THE PROCESS OF WATER-OIL DISPLACEMENT IN LAMINATED RESERVOIRS TAPED BY HORIZONTAL HOLES
Yu. A. Volkov
The center for improvement in methods of oil fields development, Kazan, Russia
V. M. Konyukhov
Kazan State University, Kazan, Russia
A. N. Chekalin
Kazan State University, Kazan, Russia
ABSTRACT
The goal of this work is to study the dynamics of the two-phase ternary flow modeling in a laminated reservoir depending on its structure and an arrangement of horizontal holes in its depth by simulation. The mathematical modeling of the water-oil replacement in a vertical section of a laminated reservoir was carried out within the large-scale approximation framework. It was shown that: the overflows between layers have a pronounced effect on the two-phase filtration process; the water-oil replacement in the low-permeable layers was caused by flows from the layers with higher permeability; the thin layer with high permeability had greater negative effect on the oiloutput than a low-permeable layer; the laminated heterogeneity of a reservoir may cause a polymer margin break; with the availability of a bottom water an injection horizontal hole must be placed in a water-contained reservoir, and in other cases its rational accommodation in the depth of a reservoir depends on a choice of optimization criterion.
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