Effect of surface roughness and lithology on the water–gas and water–oil relative permeability ratios of oil-wet single fractures

Effect of surface roughness and lithology on the water–gas and water–oil relative... •Visual displacement experiments were conducted on the transparent replicas of seven fracture samples.•The effect of surface roughness on relative permeabilities of single fractures was clarified.•Fractures developed from less porous (larger grain) rocks yielded residual saturations in large pockets.•Porous rocks with small grain sizes yielded residual saturations in small pockets.•The initial and residual saturations were correlated to four fractal parameters. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Multiphase Flow Elsevier

Effect of surface roughness and lithology on the water–gas and water–oil relative permeability ratios of oil-wet single fractures

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Publisher
Pergamon
Copyright
Copyright © 2015 Elsevier Ltd
ISSN
0301-9322
D.O.I.
10.1016/j.ijmultiphaseflow.2015.05.005
Publisher site
See Article on Publisher Site

Abstract

•Visual displacement experiments were conducted on the transparent replicas of seven fracture samples.•The effect of surface roughness on relative permeabilities of single fractures was clarified.•Fractures developed from less porous (larger grain) rocks yielded residual saturations in large pockets.•Porous rocks with small grain sizes yielded residual saturations in small pockets.•The initial and residual saturations were correlated to four fractal parameters.

Journal

International Journal of Multiphase FlowElsevier

Published: Oct 1, 2015

References

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