Simulation of liquid waste buoyancy in a deep heterogeneous aquifer |
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| Authors: | E A Baidariko S P Pozdniakov |
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| Institution: | 1.JSC VNIIPIpromtekhnologii,Moscow,Russia;2.Lomonosov Moscow State University,Moscow,Russia |
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| Abstract: | The results of 3D numerical simulation of coupled flow and transport processes of light-waste migration in heterogeneous aquifer
with brine are described. The study is based on the geological data and monitoring of deep-well injection of liquid waste
at Chepetsk Mechanical Plant (ChMZ, Glazov). The buoyancy of light waste is simulated for the post-injection period of 300
years using different conceptual models of heterogeneity. The procedure of 3D geostatistical simulation based on transition
probability analysis with TSIM code of the reservoir heterogeneity is presented. The results of the ascending waste migration
simulation using SEAWAT2000 code indicate that both the variable fluid density and the hydraulic heterogeneity must be considered
in the forecast models for determining the possible waste distribution during the injection and the post injection periods. |
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