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Water-Oil displacement efficiency
| Excerpt Include |
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| Water-Oil Displacement Efficiency (ED) |
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| Water-Oil Displacement Efficiency (ED) |
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| nopanel | true |
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Gas flooding
Motivation = maintain formation pressure at sweep interface with gas in case of high water mobility
| LaTeX Math Inline |
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| body | \frac{k_{rw}}{\mu_w} \gg \frac{k_{ro}}{\mu_o} |
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which makes watrflood inefficient.
Gas displacement efficiency
| LaTeX Math Block |
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|
E_D = \frac{1-s_{wi}-s_{org}}{1-s_{wi}} |
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| Excerpt Include |
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| Gas-Oil Displacement Efficiency |
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| Gas-Oil Displacement Efficiency |
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| nopanel | true |
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|
WAG flooding
Motivation = maintain formation pressure at sweep interface with alternating inejction of water and gas in case of high residual oil to water sweep is high
and gas sweep is less than to water sweep
.
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