The Allison Unit CO â ECBM Pilot: A Reservoir Modeling ... - Coal-Seq
The Allison Unit CO â ECBM Pilot: A Reservoir Modeling ... - Coal-Seq
The Allison Unit CO â ECBM Pilot: A Reservoir Modeling ... - Coal-Seq
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Forecast Results<br />
Case<br />
Total Methane<br />
Recovery (Bcf)<br />
Incremental<br />
Recovery<br />
(Bcf)<br />
Total <strong>CO</strong> 2<br />
Injection<br />
(Bcf)<br />
<strong>CO</strong> 2<br />
Production<br />
(Bcf)<br />
<strong>CO</strong> 2<br />
/CH 4<br />
Ratio<br />
W/o <strong>CO</strong> 2<br />
injection<br />
100.5*<br />
n/a<br />
n/a<br />
n/a<br />
n/a<br />
W/<strong>CO</strong> 2<br />
injection<br />
102.1<br />
1.6<br />
6.4**<br />
1.2<br />
3.2<br />
*6.3 Bcf/well<br />
** 20 Mcfd/ft<br />
Small incremental recovery due to limited injection volumes.<br />
INJECTIVITY IS KEY!<br />
Note: OGIP for model = 152 Bcf.<br />
Recoveries understated due to more rapid<br />
<strong>CO</strong> 2 breakthrough in model than observed.<br />
LLM022403.ppt
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