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Abstract

Summary

We present rock physics modeling of low porosity sandstone in order to predict the expected seismic reflections of rock properties such as amplitude versus offset (AVO) curves. Rock physics models such as Raymer-Dvorkin, soft-sand, stiff-sand, and constant-cement models were analyzed to match our well data under examination. Once the model is established, this rock physics model is used to predict seismic signatures of rocks not only for the given well data interval but also away from well control by assuming geologically plausible pseudo-scenarios. We demonstrate the use of this methodology for the tight gas sandstone (TGS) reservoir located in Colorado, US. In addition, we present the prediction of AVO signatures for high porosity sandstone reservoir by forward modeling a different range of porosity and clay content. Thus, we investigate seismic reflections of rock properties for reservoir and non-reservoir zones that are not represented in the data.

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/content/papers/10.3997/2214-4609.202187017
2021-12-01
2024-04-27

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References

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Rock Physics and AVO Modeling of Tight Gas Sandstone Reservoir
Conference Proceedings 2021, 1 (2021); https://doi.org/10.3997/2214-4609.202187017
/content/papers/10.3997/2214-4609.202187017
/content/papers/10.3997/2214-4609.202187017
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