Another perspective on AVO crossplotting

Autor:	J. M. Reilly, Douglas J. Foster, Robert G. Keys
Rok vydání:	1997
Předmět:	Geophysics Lithology Anomaly (natural sciences) Perspective (graphical) Pore fluid Geology Context (language use) Petrology Seismology
Zdroj:	The Leading Edge. 16:1233-1239
ISSN:	1938-3789 1070-485X
DOI:	10.1190/1.1437768
Popis:	“Principles of AVO crossplotting” by Castagna and Swan (TLE, April 1997) raises some very interesting points and we would like to add to the discussion. Crossplotting the AVO attributes is useful for interpreting anomalies in the context of lithology and pore fluids. Also, crossplotting shows that there is a background trend for reflections from nonhydrocarbon related interfaces. This trend, which we call the fluid line, comes from correlations of rock properties. To relate AVO anomalies to rock and pore fluid properties, it is important to calibrate background (nonhydrocarbon‐related) seismic attributes to the background rock property trend. Once the trend is established then a quantitative interpretation of an anomaly can be made.
Databáze:	OpenAIRE
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