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Zero (short) time-lapse seismic repeatability test at naylor field, Australia

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Authors
Al Jabri, Y.
Urosevic, Milovan
Date
2012
Type
Conference Paper

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Al Jabri, Y. and Urosevic, M. 2012. Zero (short) time-lapse seismic repeatability test at naylor field, Australia, in Proceedings of the EAGE Workshop on Applications and Challenges of Rock Physics for Quantitative Geophysical Interpretation, Jan 15-18 2012,pp. 24-28. Dubai, UAE: European Association of Geoscientists and Engineers.
Source Title
Applications and Challenges of Rock Physics for Quantitative Geophysical Interpretation
DOI
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Department of Exploration Geophysics
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Abstract

High seismic repeatability is critical to the monitoring program of the Naylor Field because of the small time-lapse effect related to C02 injection into depleted gas reservoir (Naylor). To be able to obtain reliable seismic from a time-lapse seismic survey, the repeatability of the time-lapse survey must be determined. This can be achieved by performing zero-time repeatability tests through the acquisition and reacquisition of data in the same area before any changes occur in the reservoir. By comparing the analysis of multiple repeated pre-stack 2D surface seismic and VSP delta, differences maybe established to minimize near-surface system effects.