Minerals 2013, 3(4), 352-366; doi:10.3390/min3040352
Article

Application of Double-Difference Seismic Tomography to Carbon Sequestration Monitoring at the Aneth Oil Field, Utah

Received: 3 September 2013; in revised form: 11 October 2013 / Accepted: 14 October 2013 / Published: 23 October 2013
(This article belongs to the Special Issue CO2 Sequestration by Mineral Carbonation: Challenges and Advances)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: Double difference seismic tomography was performed using travel time data from a carbon sequestration site at the Aneth oil field in southeast Utah as part of a Department of Energy initiative on monitoring, verification, and accounting (MVA) of sequestered CO2. A total of 1211 seismic events were recorded from a borehole array consisting of 23 geophones. Artificial velocity models were created to determine the likelihood of detecting a CO2 plume with an unfavorable event and receiver arrangement. In tests involving artificially modeled ray paths through a velocity model, ideal event and receiver arrangements clearly show velocity reductions. When incorporating the unfavorable event and station locations from the Aneth Unit into synthetic models, the ability to detect velocity reductions is greatly diminished. Using the actual, recorded travel times, the Aneth Unit results show differences between a synthetic baseline model and the travel times obtained in the field, but the differences do not clearly indicate a region of injected CO2. MVA accuracy and precision may be improved through the use of a receiver array that provides more comprehensive ray path coverage, and a more detailed baseline velocity model.
Keywords: carbon sequestration; tomography; double-difference; MVA
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MDPI and ACS Style

Slaker, B.; Westman, E.; Luxbacher, K.; Ripepi, N. Application of Double-Difference Seismic Tomography to Carbon Sequestration Monitoring at the Aneth Oil Field, Utah. Minerals 2013, 3, 352-366.

AMA Style

Slaker B, Westman E, Luxbacher K, Ripepi N. Application of Double-Difference Seismic Tomography to Carbon Sequestration Monitoring at the Aneth Oil Field, Utah. Minerals. 2013; 3(4):352-366.

Chicago/Turabian Style

Slaker, Brent; Westman, Erik; Luxbacher, Kray; Ripepi, Nino. 2013. "Application of Double-Difference Seismic Tomography to Carbon Sequestration Monitoring at the Aneth Oil Field, Utah." Minerals 3, no. 4: 352-366.

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