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Simulation of reactive transport of injected CO2 on the Colorado Plateau, Utah, USA

January 1, 2005

This paper investigates injection of CO2 into non-dome-shaped geological structures that do not provide the traps traditionally deemed necessary for the development of artificial CO2 reservoirs. We have developed a conceptual and two numerical models of the geology and groundwater along a cross-section lying approximately NW-SE and in the vicinity of the Hunter power station on the Colorado Plateau, Central Utah and identified a number of potential sequestration sites on this cross-section. Preliminary modeling identified the White Rim Sandstone as appearing to offer the properties required of a successful sequestration site. Detailed modeling of injection of CO2 into the White Rim Sandstone using the reactive chemical simulator ChemTOUGH found that 1000 years after the 30 year injection period began approximately 21% of the injected CO2 was permanently sequestered as a mineral, 52% was beneath the ground surface as a gas or dissolved in the groundwater and 17% had leaked to the surface and leakage to the surface was continuing. ?? 2005 Elsevier B.V. All rights reserved.

Citation Information

Publication Year 2005
Title Simulation of reactive transport of injected CO2 on the Colorado Plateau, Utah, USA
DOI 10.1016/j.chemgeo.2004.12.020
Authors S.P. White, R.G. Allis, Jeff Moore, T. Chidsey, C. Morgan, W. Gwynn, M. Adams
Publication Type Article
Publication Subtype Journal Article
Series Title Chemical Geology
Index ID 70029272
Record Source USGS Publications Warehouse