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The AAPG/Datapages Combined Publications Database

Environmental Geosciences (DEG)

Abstract

DOI:10.1306/eg.05080909009

Geological sequestration of carbon dioxide in the Cambrian Mount Simon Sandstone: Regional storage capacity, site characterization, and large-scale injection feasibility, Michigan Basin

David A. Barnes,1 Diana H. Bacon,2 Stephen R. Kelley3

1Michigan Geological Repository for Research and Education and Geosciences, Western Michigan University, Kalamazoo, Michigan 49008; [email protected]
2Battelle Pacific Northwest Division, Richland, Washington 99352; [email protected]
3Michigan Geological Repository for Research and Education and Geosciences, Western Michigan University, Kalamazoo, Michigan 49008; [email protected]

AUTHORS

David Barnes is a professor of geosciences and a research scientist at the Michigan Geological Repository for Research and Education at Western Michigan University, Kalamazoo, Michigan. He received his Ph.D. from the University of California Santa Barbara in 1982 with an emphasis in sedimentary geology, he worked for SOHIO Petroleum Company in the early 1980s, and he has been at Western Michigan University since 1986.

Diana H. Bacon has 23 years of experience in vadose zone hydrology and geochemistry. She received her Ph.D. in geology from Washington State University in 1997 and her M.S. degree in hydrology from New Mexico Institute of Mining and Technology in 1986. She has been a research scientist at Battelle since May 1986 and is currently supporting the development of STOMP-CO2 for several midwestern regional carbon sequestration projects.

Stephen Kelley is an M.S. student at Western Michigan University studying the geological sequestration potential of the Mount Simon Sandstone in Michigan. He received his undergraduate degree from Western Michigan University in earth sciences in 2007.

ACKNOWLEDGEMENTS

This article is based, in part, on the work done for the Midwest Regional Carbon Sequestration Partnership (MRCSP) lead by Battelle, a part of the DOE/NETL Regional Carbon Sequestration Partnership program. Additional support has been provided by the Consumers Energy Company and the Holland Board of Public Works. We acknowledge the intellectual stimulation of our colleagues in the MRCSP, especially Neeraj Gupta, Joel Sminchak, Larry Wickstrom, James McDonald, John Rupp, and Cristian Medina. Bill Harrison is a tremendous source of knowledge concerning the geology of the Michigan Basin, and his help in this study has been invaluable. Sincere appreciation is extended to the reviewers Kris Carter, John Rupp, Eric Venteris, and the Journal Editor, Jim Castle, for their help in improving the manuscript and making the special issues possible.

ABSTRACT

The Mount Simon Sandstone (Cambrian) is recognized as an important deep saline reservoir with potential to serve as a target for geological sequestration in the Midwest, United States. The Mount Simon Sandstone in Michigan consists primarily of sandy clastics and grades upward into the more argillaceous Eau Claire Formation, which serves as a regional confining zone. The Mount Simon Sandstone lies at depths from about 914 m (3000 ft) to more than 4572 m (15,000 ft) in the Michigan Basin and ranges in thickness from more than 396 m (1300 ft) to near zero adjacent to basement highs. The Mount Simon Sandstone has variable reservoir quality characteristics dependent on sedimentary facies variations and depth-related diagenesis. On the basis of well-log-derived net porosity from wells in the Michigan Basin, estimates of total geological sequestration capacity were determined to be in excess of 29 billion metric tons (Gt). Most of this capacity is located in the southwestern part of the state.

Numerical simulations of carbon dioxide (CO2) injection were conducted using the subsurface transport over multiple phases-water-CO2-salt (STOMP-WCS) simulator code to assess the potential for geologic sequestration into the Mount Simon saline reservoir in the area of Holland, Ottawa County, Michigan. At this locality, the reservoir is more than 260 m (850 ft) thick and has a minimum of 30 m (100 ft) of net porosity. The simulation used a CO2 injection period of 20 yr at a rate of 600,000 metric tons (t)/yr, followed by an equilibration period of 280 yr, for a total of 300 yr. After 20 yr, the total amount of CO2 injected is 12 million metric tons (Mt); after 300 yr, 9.8 Mt is modeled to remain as a free-phase (nonentrapped) supercritical CO2, 0.7 Mt is capillary-entrapped (residual) supercritical CO2, and 1.5 Mt dissolved into the brine. The injected CO2 spread to an area with a radius of 1.8 km (1.12 mi) after 20 yr of injection at a single well and to an area with a radius of 3.8 km (2.36 mi) after 300 yr. The low-permeability Eau Claire retards the upward migration of CO2. Pressures during injection at the bottom of the cap rock (1540.5-m [5054-ft] depth) are well below the fracture pressure limit of 27.9 MPa (4046.6 psi), assuming a fracture pressure gradient of 0.018 MPa/m (0.8 psi/ft) caused by the high permeability of the Mount Simon Sandstone.

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