Title: |
Permeability Decrease in Argillaceous Sandstone: Experiments and Modeling |
Authors: |
P. Egberts, L. van Soest, .J-F. Vernoux |
Conference: |
Stanford Geothermal Workshop |
Year: |
1996 |
Session: |
Geoscience |
Language: |
English |
File Size: |
563KB |
View File: |
|
Core flooding experiments on argillaceous sandstone are carried out showing that for high injection flow rates permeability reduction occurs. The decrease of permeability is a consequence of the migration of insitu particles. Two models are used to simulate the observed phenomena. The so-called network model is able to give insight in the physics behind the particle migration. The other model based on mass balance and constitutive laws is used for quantitative and qualitative comparison with the experiments.
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