Quantitative AVO analysis
Michael C. Kelly, Charles M. Skidmore, Raymond D. Cotton · 2005
Performing AVO analysis with the objective of producing quantitative attributes or rock property contrasts, which can be directly compared with well data is possible. The seismic attributes and rock property contrasts derived from seismic data that has been properly calibrated can be directly compared with well data using either cross-plots or a log curve format. Amplitude calibration resulting from applying amplitude corrections consistent with average amplitude background behavior commonly use rock property relationships that describe background event behavior. For the calibration process to be successful it is necessary that processing steps do not modify the dynamic range of the data. The calibration process uses information readily available within basins around the world. In this paper we will describe the calibration process and provide examples derived from actual data.