Webb, N.D., N.P. Grigsby, and S.M. Frailey, 2024, Origin, distribution, and CO2 EOR and CO2 storage resource assessment of selected Residual Oil Zone Fairways in the Illinois Basin, Geoenergy Science and Engineering, v239
Giannetta, L.G., N.D. Webb, S.K. Butler, & N.P. Grigsby, 2021, Using clay microporosity to improve formation evaluation in potential ROZs: Cypress Sandstone, Illinois Basin, AAPG Bulletin, v108, p1595-1625.
Reesink, A.J.H., J.L. Best, J.T. Freiburg, N.D. Webb, D.F. Dominic, & R.W. Ritzi, 2020, The Cambrian Lower Mount Simon Sandstone, Illinois, USA: a pre-vegetation sandstone succession in an epicontinental basin, Journal of Sedimentary Research, v90, p1614-1641.
Webb, N.D., & N.P. Grigsby, 2020, Assessing the Cypress Sandstone for CO2-Enhanced Oil Recovery and Carbon Storage: Part I - Reservoir Characterization of Noble Oil Field, Western Richland County, Illinois, Illinois State Geological Survey, Circular
Grigsby, N.P., & N.D. Webb, 2020, Assessing the Cypress Sandstone for CO2-Enhanced Oil Recovery and Carbon Storage: Part II - Leveraging geologic characterization to develop a representative geocellular model for Noble Oil Field, Western Richland County, Illinois, Illinois State Geological Survey, Circular
Ritzi, R.W., R. Ghose, M. Bottomley, A.H.J. Reesink, J.L. Best, J.T. Freiburg, & N.D. Webb, 2018, Linking the Local Vertical Variability of Permeability and Porosity to Newly-Interpreted Lithofacies in the Lower Mt. Simon CO2 Reservoir, International Journal of Greenhouse Gas Control, 68, p. 26-41
Ritzi, R.W., J.T. Freiburg, & N.D. Webb, 2016, Understanding the (Co)Variance in Petrophysical Properties of CO2 Reservoirs Comprising Fluvial Sedimentary Architecture, International Journal of Greenhouse Gas Control, 51, p. 423-434
Webb, N.D., B. Seyler, & J.P. Grube, 2015, Geologic reservoir characterization of Carboniferous fluvio-tidal deposits of the Illinois Basin, USA, in Ashworth, P.J. J.L. Best, & D.R. Parsons, eds. Fluvial Tidal Sedimentology, Developments in Sedimentology, 68, Elsevier, p. 395-443
Damico, J.R., C.C. Monson, S.M. Frailey, Y. Lasemi, N.D. Webb, N.P. Grigsby, F. Yang, & P.M. Berger, 2014, Strategies for Advancing CO2-EOR in the Illinois Basin, USA. Energy Procedia, 63, p. 7694–7708.
Webb, N.D., D.A. Grimley, A.C. Phillips, & B.W. Fouke, 2012, Origin and Sedimentology of Glacial Ridges (OIS 6) in the Kaskaskia Sublobe, SW Illinois, USA, Quaternary Research, 78, p. 341-352
Jikich, S., J.P. Grube, B. Seyler, N.D. Webb, & J.R. Damico, 2012, Reservoir Characterization Aids Implementation of Alkaline-Surfactant-Polymer in Illinois Basin, American Oil Reporter.
CONTRACT REPORTS
Webb, N.D., and D.C. Willette, 2022, The Cypress Sandstone Seal System, Topical Report
Grigsby, N.P., & N.D. Webb, 2022, Evaluation of Geologic Storage of Carbon Associated with the Kent Ethanol Facility in Washington, Indiana, Final Report
Askari, Z., N.P. Grigsby, Y. Lasemi, N.D. Webb, C.C. Monson, 2022, Review of Analogous Basins, Topical Report
Grigsby, N.P., N.D. Webb, H.E. Leetaru, and S.G. Whittaker, 2021, Screening Assessment of Lehigh Hanson Cement Facilities, Final Report
Grigsby, N.P., N.D. Webb, H.E. Leetaru, and S.G. Whittaker, 2021, Evaluation of Geologic Storage of Carbon Associated with the Mitchell Cement Plant, Mitchell, Indiana, Final Report
Webb, N.D., 2019, A Nonconventional CO2-EOR Target in the Illinois Basin: Oil Reservoirs of the Thick Cypress Sandstone, Final Report
Webb, N.D., Z. Askari, N.P. Grigsby, D. Garner, H.E. Leetaru, C. Carman, 2019, Screening and Selection of Illinois Basin ROZs for Resource Assessment, Topical Report
Blakley, C.S., N.D. Webb, Y Lasemi, Z Askari, C Korose, N Grigsby, C Carman, 2019, A Summary of CO2-Enhanced Oil Recovery Options in the Illinois East Sub-Basin, Topical Report
Okwen, R.T., 2014, Assessing Reservoir Depositional Environments to Develop and Quantify Improvements in CO2 Storage Efficiency: A Reservoir Simulation Approach, Final Report
Seyler, B., J.P. Grube, B.G. Huff, N.D. Webb, J.R. Damico, C.S. Blakley, V. Madhavan, P.M. Johanek, 2013, Reservoir Characterization of Bridgeport and Cypress Sandstones in Lawrence Field Illinois, Final Report
ABSTRACTS & PRESENTATIONS
Lackey, G., M. Pesce, R. Deshmuk, M. Mundia-Howe, J. Shay, B Houghton, N.D. Webb, S.N. Dendy, M. Situ, A. Mentado, T. Leonard, and D. Gunter, 2024, Digitizing Oil & Gas Well Regulatory Records from Illinois with the CATALOG OGRRE Tool, American Geophysical Union Annual Meeting, Washington D.C.
Lackey, G., D. Gunter, M. Pesce, R. Deshmukh, M. Mundia-Howe, J. Shay., N.D. Webb, C.J. Weiss, D. Buttler, D. O’Malley, 2024, Digitizing Oil & Gas Well Regulatory Records with the CATALOG OGRRE Tool, Groundwater Protection Council Annual Forum, Nashville, TN
Grigsby, N.P., S. Dendy, N.D. Webb, K.L. Taft, V. Beckham-Feller, S.S.B. Douds, and S.B. Ali, 2024, Geologic characterization of the Ordovician New Richmond Sandstone, a new potential target for CCS in the Illinois Basin, AAPG IMAGE, Houston, TX
Webb, N.D., and S.M. Frailey, 2023, A Play-Based Exploration of CO2 Storage in the Illinois Basin, GSA Connects 2023, Pittsburgh, PA (Invited)
Webb, N.D., J.L. Best, and C.R. Fielding, 2023, Paleoenvironments of the Pennsylvanian Caseyville and Tradewater Formations in Southeastern Illinois, USA, International Conference on Fluvial Sedimentology 2023, Riva del Garda, Italy
Webb, N.D., N.P. Grigsby, S.M. Frailey, F. Yang, D.C. Willette, M. Yu, 2022, What’s the deal with the Carper Sandstone: An atypical Illinois Basin oil reservoir, 51st Annual Meeting of the Eastern Section American Association of Petroleum Geologists, Champaign, IL
Webb, N.D., J.L. Best, and C.R. Fielding, 2022, Paleoenvironments of the Pennsylvanian Caseyville and Tradewater Formations in the Southeastern Illinois Oil Field, Crawford and Lawrence County, Illinois, 51st Annual Meeting of the Eastern Section American Association of Petroleum Geologists, Champaign, IL
Webb, N.D., and N.P. Grigsby, 2022, Petroleum Geology of the Mississippian Stacked Reservoirs in Noble Oil Field, Richland County, Illinois, in the Context of CO2-EOR and Associated Storage, 51st Annual Meeting of the Eastern Section American Association of Petroleum Geologists, Champaign, IL
Grigsby, N.P., S.M. Frailey, N.D. Webb, & F. Yang, 2022, Characterization Evolution Based on a CO2 Huff and Puff of the Siliciclastic Carper Sandstone Greenfield ROZ in the Illinois Basin, AAPG CCUS Conference, Houston, TX
Grigsby, N.P., N.D. Webb, F. Yang, D. Lukhtai, & S.M. Frailey, 2021, CO2 Induced Oil Swelling and Results from a Huff & Puff in a Greenfield ROZ, Carper SS (Illinois), CO2 and ROZ Conference, Midland, TX
Webb, N.D., N.P. Grigsby, F. Yang, D. Lukhtai, & S.M. Frailey, 2020, Illinois Basin ROZ Studies and Carper Formation CO2 Pilot Deployment, CO2 and ROZ Conference, Midland, TX
Brown, J.D., N.D. Webb, & J.L. Best, 2020, The Mississippian Carper Sandstone of the Illinois Basin: Reinterpretation of Sediment Gravity Flows and Implications for Reservoir Quality, Geological Society of America Abstracts with Programs
Webb, N.D., N.P. Grigsby, S.M. Frailey, 2019, CO2 Storage and EOR Resource Assessment of the Cypress Sandstone Residual Oil Zone Play in the Illinois Basin, Annual Meeting – American Association of Petroleum Geologists, vol. 2019
Webb, N.D., 2018, Fluvio-Tidal Incised Valley Deposits of the Pennsylvanian Caseyville Formation, Illinois, Fourth Biennial Field Conference of the AAPG Mid-Continent Section, University of Nebraska, Lincoln, NE
Webb, N.D., 2017, Studies and Field Data on a Cypress Sandstone ROZ in Illinois, CO2 and ROZ Conference, Midland, TX
Askari, Z., Y. Lasemi, Y., & N.D. Webb, 2017, Stratigraphic variability and reservoir characterization of the Mississippian Cypress Sandstone in the deep area of the Illinois Basin, Geological Society of America Abstracts with Programs. Vol. 49, No. 6
Grigsby, N.P., N.D. Webb, & S.M. Frailey, 2017, Using well log analysis to identify residual oil zones at Noble and Kenner West Oil Fields, Illinois, American Association of Petroleum Geologists Eastern Section Meeting, Morgantown, WV
Webb, N.D., 2017, Reservoir Characterization of the Mississippian Cypress Sandstone for CO2 Enhanced Oil Recovery and Storage, Southern Illinois University Colloquium Series, Carbondale, IL
Webb, N.D., S.M. Frailey, & H.E. Leetaru, 2017, A Nonconventional CO2-EOR Target in the Illinois Basin: Oil Reservoirs of the Thick Cypress Sandstone, Mastering the Subsurface through Technology, Innovation, and Collaboration: Carbon Storage and Oil and Natural Gas Technologies Review Meeting, Pittsburgh, PA
Howell, K.J., N.D. Webb, N.P. Grigsby, & J.L. Best, 2017 Reservoir architecture and heterogeneity of multistory fluvial sandstones of the Mississippian Cypress Formation, Illinois, USA: Implications for CO2 storage and EOR, 11th International Conference on Fluvial Sedimentology, Calgary, Canada
Howell, K.J., N.D. Webb, J.L. Best, & E.W. Prokocki, 2017, Evidence of a sandy suspended-load dominated river from the Mississippian Cypress Formation, Illinois, USA, 11th International Conference on Fluvial Sedimentology, Calgary, Canada
Webb, N.D., S.H. Lemme, & J.L. Best, 2017, Geometry and architecture of fluvial-estuarine Pennsylvanian paleovalley fills, Southeastern Illinois, USA, 11th International Conference on Fluvial Sedimentology, Calgary, Canada
Webb, N.D., 2017, Improved oil recovery in the Cypress using an unconventional approach, 71st Annual Illinois Oil and Gas Association Trade Show and Convention, Evansville, IN
Webb, N.D., N.P. Grigsby, J.J. Arneson, L.G. Giannetta, S.M. Frailey, 2016, An Integrated Approach to Identifying Residual Oil Zones in the Cypress Sandstone in the Illinois Basin for Nonconventional CO2-EOR and Storage, Paper presented at the Eastern Section American Association of Petroleum Geologists Meeting, Lexington, KY, September 26–27
Giannetta, L.G., N.D. Webb, S.K. Butler, & N.P. Grigsby, 2016, Using clay microporosity to improve formation evaluation in potential ROZs: Cypress Sandstone, Illinois Basin, Paper presented at the Eastern Section American Association of Petroleum Geologists Meeting, Lexington, KY, September 26–27
Askari, Z., Y. Lasemi, & N.D. Webb, 2016, Cypress Sandstone Reservoir Characterization Across the Clay City Anticline, Richland and Clay Counties, Illinois, Paper presented at the Eastern Section American Association of Petroleum Geologists Meeting, Lexington, KY, September 26–27
Webb, N.D., 2016, The Mississippian Thick Cypress Sandstone: A Nonconventional CO2-EOR Target in the Illinois Basin, Annual Meeting – American Association of Petroleum Geologists, vol. 2016
Webb, N.D., & N.P. Grigsby, 2016, Reservoir characterization of the thick IVF Cypress Sandstone in Noble Field, Illinois, for nonconventional CO2-EOR, Geological Society of America Abstracts with Programs
Webb, N.D., & N.P. Grigsby, 2015, Geological characterization and modeling of the Cypress Sandstone at Noble Field, southeastern Illinois. Paper presented at the Eastern Section American Association of Petroleum Geologists Meeting, Indianapolis, Indiana, September 21–22
Webb, N.D., 2015, Sedimentology of two Lower Pennsylvanian fluvio-tidal reservoir sandstones in the Illinois Basin, Geological Society of America Abstracts with Programs
Howell, K.J., N.D. Webb, & J.L. Best, 2015, Depositional environments of the Pennsylvanian Partlow sandstone, Clark County, Illinois, Geological Society of America Abstracts with Programs
Webb, N.D., & J.L. Best, 2014, The fluvial sedimentology of Pennsylvanian sandstones in the Illinois Basin, Geological Society of America Abstracts with Programs, Vol. 46, No. 4, p. 39
Webb, N.D., & J.L. Best, 2014, Identifying cyclothems in the Pennsylvanian Tradewater Formation in the subsurface of the Illinois Basin, Geological Society of America Abstracts with Programs, Vol. 46, No. 4, p. 42
Webb, N.D., & J.P. Grube, 2014, The Mississippian Cypress Sandstone: Geologic characteristics of a potential EOR target in the Illinois Basin, Geological Society of America Abstracts with Programs, Vol. 46, No. 4, p. 43
Gragg, E.J.; S.K. Butler, & N.D. Webb, 2014, Assessing Aux Vases Sandstone heterogeneity in the Illinois Basin for potential EOR projects using clay mineralogy, porosity, and permeability, Geological Society of America Abstracts with Programs, Vol. 46, No. 4, p. 41
Rehak, K.D., N.D. Webb, & S.K. Butler, 2014, Using clay mineralogy, porosity, and permeability to assess heterogeneity of the Cypress Sandstone in the Illinois Basin for potential EOR projects, Geological Society of America Abstracts with Programs, Vol. 46, No. 4, p. 41
Webb, N.D., J.P. Grube, C.S. Blakley, & B. Seyler, 2013, The importance of geologic reservoir characterization in the successful application of CO2 enhanced oil recovery and storage programs: Examples from Carboniferous fluvio-tidal deposits of the Illinois Basin, USA, 10th International Conference on Fluvial Sedimentology, Leeds, UK
Grube, J.P., C.S. Blakley, J.R. Damico, P.M. Johanek, V. Madhavan, R.T. Okwen, B. Seyler, & N.D. Webb, 2012, Alkaline-surfactant-polymer flood application for enhanced oil recovery has potential for significant recovery of remaining reserves in the mature Lawrence Field, Illinois, Annual Meeting – American Association of Petroleum Geologists, vol. 2012
Webb, N.D., J.P. Grube, C.S. Blakley, B. Seyler, B., Madhavan, V., 2012, Reservoir characterization of Lower Pennsylvanian sandstones for the application of ASP flood technology in Lawrence Field, Illinois, Annual Meeting – American Association of Petroleum Geologists, vol. 2012
Webb, N.D., C.S. Blakley, & V. Madhavan, 2011, Bridgeport sandstone reservoir characterization applied to alkaline-surfactant polymer project, Lawrence County, IL, Workshop – Illinois Basin Petroleum Technology Transfer Council.
Madhavan, V., N.D. Webb, J.P. Grube, C.S Blakley, B. Seyler, & P.M. Johanek, 2011, Reservoir characterization for the application of ASP flood technology in the Bridgeport sandstone in Lawrence Field, Illinois, Annual Meeting – American Association of Petroleum Geologists, vol. 2011
Seyler, B., J.P. Grube, B.G. Huff, C.S. Blakley, P.M. Johanek, V. Madhavan, & N.D. Webb, 2010, Reservoir characterization for enhanced oil recovery in Middle Mississippian Cypress Sandstones at Lawrence Field, Illinois, Annual Meeting – American Association of Petroleum Geologists, vol. 2010
Blakley, C.S., J.P. Grube, P.M. Johanek, V. Madhavan, N.D. Webb, & B. Seyler, 2010, Characterization of Pennsylvanian Bridgeport sandstones in the Illinois Basin, Proceedings from Annual Meeting of Eastern Section of American Association of Petroleum Geologists, Program with Abstracts, Kalamazoo, MI, September 25-29, 2010, pg. 41
Webb, N.D. & D.A. Grimley, D.A., 2009, Sedimentology of the Illinoian Ridged Drift of southwestern Illinois: New ideas about changing processes, Geological Society of America Abstracts with Programs, Vol. 41, No. 4, p. 58
Webb, N.D. & D.A. Grimley, 2009, Factors influencing the distribution of the Illinoian Ridged Drift of southwestern Illinois, Geological Society of America Abstracts with Programs, Vol. 41, No. 4, p. 14
Webb, Nathan D. and Grimley, D.A., 2008, Mapping of Quaternary deposits and bedrock topography in the Kaskaskia Valley region, southwest Illinois, Geological Society of America Abstracts with Programs, Vol. 40, No. 5, p. 72
MAPS
Grimley, D. A. and Nathan D. Webb, 2010, Surficial Geology of Red Bud Quadrangle, Randolph, Monroe, and St. Clair Counties, Illinois: Illinois State Geological Survey, IGQ Red Bud-SG, 2 sheets, 1:24,000, report, 12 p.
Grimley, D. A. and Nathan D. Webb, 2009, Surficial Geology of New Athens East Quadrangle, St. Clair County, Illinois: Illinois State Geological Survey, Illinois Geologic Quadrangle Map, IGQ New Athens East-SG, 1:24,000, report, 14p.
