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The AAPG/Datapages Combined Publications Database
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Abstract
Knepp, R., S. Frailey, J. Grube, B. Seyler, D. Garner, C. Korose, B. Huff, J. Damico, and S. Rittenhouse, potential
in Illinois Basin oil reservoirs, in M. Grobe, J. C. Pashin, and R. L. Dodge, eds., Carbon dioxide sequestration in geological media—State of the science: AAPG Studies in Geology 59,
DOI:10.1306/13171234St593377
2009 by The American Association of Petroleum Geologists.
CO2 Sequestration and Enhanced Oil Recovery
Potential
in Illinois Basin Oil Reservoirs
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Rex Knepp,1 Scott Frailey,2 John Grube,3 Beverly Seyler,4 Damon Garner,5 Christopher Korose,6 Bryan Huff,7 James Damico,8 Sarah Rittenhouse9
1Geomodeling Technology Corp., Houston, Texas, U.S.A.
2Illinois State Geological Survey, Champaign, Illinois, U.S.A.
3Illinois State Geological Survey, Champaign, Illinois, U.S.A.
4Illinois State Geological Survey, Champaign, Illinois, U.S.A.
5Illinois State Geological Survey, Champaign, Illinois, U.S.A.
6Illinois State Geological Survey, Champaign, Illinois, U.S.A.
7Illinois State Geological Survey, Champaign, Illinois, U.S.A.
8Illinois State Geological Survey, Champaign, Illinois, U.S.A.
9Chevron North America Exploration and Production, Houston, Texas, U.S.A.
ACKNOWLEDGMENTS
This report was prepared as an account of work sponsored by the U.S. Department of Energy under DOE contract DE-FC26-03NT41994. This work is included in the final contract report issued on December 31, 2005, An Assessment of Geological Carbon Sequestration Options in the Illinois Basin, Robert Finley Principal Investigator. Software for geological modeling and reservoir flow simulation were supplied in part by Landmark Graphics Corporation under the University Grants Program.
ABSTRACT
The use of crude oil-bearing strata as geological sinks for sequestration of carbon dioxide (CO2) includes a value-added component for recovering new oil from existing oil fields that have undergone primary and/or waterflood production. Carbon dioxide has been used
in enhanced oil recovery (EOR) for more than two decades in the Permian Basin of west Texas. This CO2 experience suggests that following water flooding with CO2 flooding produces an additional 10% of original oil in place (OOIP) or an additional 25% beyond total oil produced during the primary and water flooding phases.
The Midwest Geological Sequestration Consortium has studied the CO2 EOR potential
of the Illinois Basin in Illinois, Indiana, and Kentucky. Oil has been produced from this basin for more than a century, to date yielding a cumulative production of 4.3 billion of an estimated 14.1 billion bbl of OOIP. The consortium's study focuses on three topics regarding the
potential
of CO2 flooding in Illinois Basin fields. The first is evaluation of oil recovery
potential
employing geological, geostatistical, and reservoir models built for specific geological settings. The second is estimation of total hydrocarbon available to CO2 flooding, requiring an updated estimate of the basinwide OOIP. The third is calculation of the total volume of carbon that could be sequestered by such programs and the volume of additional hydrocarbon recovery that might reasonably be expected.
Using west Texas experience as a guideline, reservoir modeling results suggest that 0.86–1.3 billion bbl of oil may be recoverable from the Illinois Basin using CO2 EOR. Along with this incremental oil recovery, an estimated 154,000–485,000 tons of CO2 can be sequestered simultaneously.
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