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The usual classification is:
Typical values of RPM properties | ||||
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swc | s*w |
@ krwo = krow | krwo @ max sw = 1- sor | ||
Oil wet | swc < 0.1 – 0.15 | s*w < 0.5 | krwo |
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LaTeX Math Inline | ||
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~ 0.5 | Oil is wetting phase and slow while water is agile | |||
Water wet | swc > 0.2 – 0.25 | s*w > 0.5 | krwo < 0.3 | Water is wetting phase and slow while oil is agile |
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Mixed wettability | 0.1 < swc < 0.25 | s |
LaTeX Math Inline | ||
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*w ~ 0.5 | 0.3 < krwo < 0.5 | Oil and water have similar agility |
See also
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Physics / Fluid Dynamics / Percolation
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