AVO analysis of high-impedance sandstone reservoirs
Conference
·
OSTI ID:542942
- Houston Advanced Research Center, TX (United States)
We present case studies of high-impedance gas sands in order to demonstrate the utility of AVO analysis in areas such as the Anadarko basin and other exploration regions where high-impedance sandstone reservoirs predominate. The case studies illustrate some of the differences in approach that must be made in order for AVO analysis to be used effectively in high-impedance reservoirs. Sands in the Morrow formation in the Anadarko basin vary in local properties, significantly affecting the expected AVO response observed on seismic data. The reflection from the top of gas-charged Woodbine sands shows a strong gas effect that is observed at four well locations along a seismic line. Aspects of rock properties as they relate to AVO analysis in high-impedance reservoirs indicate that AVO may be a powerful lithology discriminator in higher-velocity rocks.
- OSTI ID:
- 542942
- Report Number(s):
- CONF-951013--; CNN: Contract 5090-212-2050
- Country of Publication:
- United States
- Language:
- English
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