This is a Preprint and has not been peer reviewed. The published version of this Preprint is available: https://doi.org/10.1190/int-2023-0088.1. This is version 2 of this Preprint.

A new expression for fluid factor using AVO intercept and gradient: theory and application on deep marine reservoir
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Abstract
Numerous AVO fluid indicators have been introduced and proven to be sensitive to hydrocarbon presence. Mathematically, fluid indicators measure the deviation of seismic responses of hydrocarbon-saturated reservoirs from their background in a specific domain. We introduce a new expression for the fluid factor commonly used in AVO analysis and interpretation. The expression is a function of common AVO intercept and gradient and a weighting coefficient that helps suppressing the contribution of lithology and other factors not related to fluid content. The coefficient also assists in calibrating the fluid factor to the local geology. The p... more
DOI
https://doi.org/10.31223/X5NT43
Subjects
Geology, Geophysics and Seismology, Oil, Gas, and Energy
Keywords
AVO, gas-sand, seismic amplitude, Offshore
Dates
Published: 2024-09-18 23:03
Last Updated: 2024-09-23 22:14
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