Aines, R.

Carrigan, C.R.

Daily, W.

Freeman, D.

Friedmann, Julio

Hovorka, Susan D.

LaBrecque, D.J.

Larsen, D.

Newmark, R.

Ramirez, A.L.

Yang, X.

International Journal of Greenhouse Gas Control

Charles R. Carrigan

Xianjin Yang

Douglas J. LaBrecque

Dennis Larsen

David Freeman

Abelardo L. Ramirez

William Daily

Roger Aines

Robin Newmark

Julio Friedmann

Susan Hovorka

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Electrical resistance tomographic monitoring of CO2 movement in deep geologic reservoirs

Texas ScholarWorks

Keywords: reservoir, monitoringCited as:Carrigan, C.R., X. Yang, D.J. LaBrecque, D. Larsen, D. Freeman, A.L. Ramirez, W. Daily, R. Aines, R. Newmark, J. Friedmann, S. Hovorka, 2013, Electrical resistance tomo-graphic monitoring of CO2 movement in deep geologic reser-voirs, GCCC Publication Series #2013-02, originally pub-lished in International Journal of Greenhouse Gas ControlElectrical resistance tomographic monitoring of CO2 movement in deep geologic reservoirsGCCC Publication Series #2013-02            C.R. Carrigan    X. Yang    D.J. LaBrecque    D. Larsen    D. Freeman    A.L. Ramirez    W. Daily    R. Aines    R. Newmark    J. Friedmann    S. Hovorka1 AbstractDeep geologic sequestration of carbon dioxide (CO2) is being evaluated inter-nationally to mitigate the impact of greenhouse gases produced during oil- and coal-based energy generation and manufacturing. Natural gas producing fields are particularly attractive sites for sequestration activities owing to the as-sumption that the same geologic barrier or cap rock permitting the subsurface regime to act as a long term natural gas reservoir will also serve to perma-nently contain the injected supercritical CO2. Electrical resistance tomography (ERT) can potentially track the movement and concentration of the injectate as well as the degree of geologic containment using time lapse electrical resistiv-ity changes resulting from injecting the super-critical fluid into the reservoir formation. An experimental cross-well ERT system operated successfully for more than one year obtaining time lapse electrical resistivity images during the injection of approximately one-million tons of CO2 at a depth exceeding 3000 m in an oil and gas field in Cranfield, MS, representing the deepest ap-plication of the method to date. When converted to CO2 saturation, the resul-tant images provide information about the movement of the injected CO2 within a complex geologic formation and the development of the saturation distribution with time. ERT demonstrated significant potential for near real-time assessment of the degree of geologic containment and for updating risk analyses of the sequestration process. Furthermore, electrical resistivity imag-ing of the developing CO2 distribution may provide crucial input about the de-veloping reservoir pressure field that is required for active reservoir manage-ment to prevent the occurrence of cap-rock-damaging seismic activity.

English

Electrical resistance tomgraphic monitoring of CO2 movement in deep geologic reservoirs

Electrical resistance tomgraphic monitoring of CO2 movement in deep geologic reservoirs

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