The Allison Unit CO â ECBM Pilot: A Reservoir Modeling ... - Coal-Seq

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Progression of CO 2 Displacement (@ mid-2002) N LLM022403.ppt
Forecast Results Case Total Methane Recovery (Bcf) Incremental Recovery (Bcf) Total CO 2 Injection (Bcf) CO 2 Production (Bcf) CO 2 /CH 4 Ratio W/o CO 2 injection 100.5* n/a n/a n/a n/a W/CO 2 injection 102.1 1.6 6.4** 1.2 3.2 *6.3 Bcf/well ** 20 Mcfd/ft Small incremental recovery due to limited injection volumes. INJECTIVITY IS KEY! Note: OGIP for model = 152 Bcf. Recoveries understated due to more rapid CO 2 breakthrough in model than observed. LLM022403.ppt
Page 1 and 2: The Allison Unit CO 2 - ECBM Pilot:
Page 3 and 4: Coal-Seq Project Study Sites, San J
Page 5 and 6: Pilot Area Production History Rates
Page 7 and 8: Injector Well Configurations Well H
Page 9 and 10: Presentation Outline • Field Back
Page 11 and 12: Available Model Input Data • Maps
Page 13 and 14: Model Grid - Map View Face cleat Bu
Page 17 and 18: Field Total Gas Rate LLM022403.ppt
Page 19 and 20: Well #113 Water Rate Bottomhole Pre
Page 21 and 22: “Systematic” Discrepancies •
Page 23: Current Findings (cont’d) • Obs
Page 27 and 28: Permeability History for Injector W
Page 31 and 32: What-if Results Cont Inj, ST Inj, C
Page 35 and 36: Current Economic Results @ 5 years
Page 37 and 38: Case for CO 2 Sequestration Methane
Page 41: Advanced Resources International LL

The Allison Unit CO â ECBM Pilot: A Reservoir Modeling ... - Coal-Seq

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The Allison Unit CO â ECBM Pilot: A Reservoir Modeling ... - Coal-Seq