Improved Oil Recovery by Waterflooding - University of Wyoming
Improved Oil Recovery by Waterflooding - University of Wyoming
Improved Oil Recovery by Waterflooding - University of Wyoming
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<strong>Oil</strong> recovery, %OOIP<br />
100<br />
90<br />
80<br />
70<br />
60<br />
50<br />
40<br />
30<br />
20<br />
10<br />
0<br />
P1<br />
K g = 6.8 md, f = 9.5%<br />
S wi = 22.7%<br />
PW<br />
30,755ppm<br />
K we1 = 2.1 md<br />
+8.1%<br />
0 5 10 15 20 25 30 35 40 45 50<br />
Brine injected, PV<br />
5% PW dilute<br />
1,537ppm<br />
K we2 = 1.1 md<br />
Low Salinity <strong>Waterflooding</strong> for Phosphoria Rock<br />
30<br />
25<br />
20<br />
15<br />
10<br />
E N H A N C E D O I L R E C O V E R Y I N S T I T U T E<br />
5<br />
0<br />
Pu et al., 2010<br />
Pressure drop, psi
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