This paper describes an experiment in West Pear Queen field, Lea County, New Mexico, to measure differences in the Queen Formation sandstone reservoir before and after an injection of 2100 tons of CO2 into the reservoir. Time-lapse (4-D), multicomponent (9-C) seismic data were used to monitor the thin sandstone and provides an improved understanding of the subtle structural and stratigraphic framework of the reservoir. Interpretation of the multicomponent seismic data volumes demonstrate that it is possible to detect and monitor injected CO2 in this reservoir interval and reveals that the CO2 migrates structurally up dip from the injection well.


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