Sand-shale ratio and sandy reservoir properties estimation from seismic attributes: An integrated study
Conference
·
OSTI ID:542826
- and others
Total and Unocal estimated sand-shale ratios in gas reservoirs from the upper Tertiary clastics of Myanmar. They separately used deterministic pre-stack and statistical post-stack seismic attribute analysis calibrated at two wells to objectively extrapolate the lithologies and reservoir properties several kilometers away from the wells. The two approaches were then integrated and lead to a unique distribution of the sands and shales in the reservoir which fit in the known regional geological model. For the sands, the fluid distributions (gas and brine) were also estimated as well as the porosity, water saturation, thickness and clay content of the sands. This was made possible by using precise elastic modeling based on the Biot-Gassmann equation in order to integrate the effects of reservoir properties on seismic signatures.
- OSTI ID:
- 542826
- Report Number(s):
- CONF-951013--
- Country of Publication:
- United States
- Language:
- English
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