The Allison Unit CO2-ECBM Pilot - A Reservoir and ... - Coal-Seq
The Allison Unit CO2-ECBM Pilot - A Reservoir and ... - Coal-Seq
The Allison Unit CO2-ECBM Pilot - A Reservoir and ... - Coal-Seq
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15<br />
REEVES, OUDINOT<br />
3.50<br />
3.00<br />
2.50<br />
<strong>CO2</strong>/CH4 Ratio<br />
2.00<br />
1.50<br />
1.00<br />
Yellow<br />
Blue<br />
Purple<br />
0.50<br />
0.00<br />
0 500 1000 1500 2000 2500 3000<br />
Pressure, psi<br />
Figure 15: CO 2 /CH 4 Ratio vs. Pressure<br />
4<br />
Injection<br />
Suspended<br />
3.5<br />
3<br />
Injection<br />
Stopped<br />
Net <strong>CO2</strong>/CH4 Ratio<br />
2.5<br />
2<br />
1.5<br />
1<br />
0.5<br />
Injection<br />
Resumed<br />
Rate Acceleration “Catch-up” Period<br />
0<br />
0 20 40 60 80 100 120 140 160 180 200<br />
Months after Initial Injection<br />
Figure 16: CO 2 /CH 4 Ratio vs. Time, <strong>Allison</strong> <strong>Unit</strong> <strong>Pilot</strong>
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