Rock formation characterization for CO2-EOR and carbon geosequestration; 3D seismic amplitude and coherency anomalies, Wellington Field, Kansas, USA
SEG Technical Program Expanded Abstracts
By: D. Ohl, A. Raef, L. Watnef, and S. Bhattacharya
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Abstract
In this paper, we present a workflow for a Mississipian carbonates characterization case-study integrating post-stack seismic attributes, well-logs porosities, and seismic modeling to explore relating changes in small-scale "lithofacies" properties and/or sub-seismic resolution faulting to key amplitude and coherency 3D seismic attributes. The main objective of this study is to put emphasis on reservoir characterization that is both optimized for and subsequently benefiting from pilot tertiary CO2-EOR in preparation for future carbon geosequestration in a depleting reservoir and a deep saline aquifer. The extracted 3D seismic coherency attribute indicated anomalous features that can be interpreted as a lithofacies change or a sub-seismic resolution faulting. A 2D finite difference modeling has been undertaken to understand and potentially build discriminant attributes to map structural and/or lithofacies anomalies of interest especially when embarking upon CO2-EOR and/or carbon sequestration monitoring and management projects. ?? 2011 Society of Exploration Geophysicists.
Suggested Citation
Ohl, D., Raef, A., Watnef, L., and Bhattacharya, S., 2011, Rock formation characterization for CO2-EOR and carbon geosequestration; 3D seismic amplitude and coherency anomalies, Wellington Field, Kansas, USA: SEG Technical Program Expanded Abstracts, v. 30, no. 1, p. 1978-1983, https://doi.org/10.1190/1.3627595.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Rock formation characterization for CO2-EOR and carbon geosequestration; 3D seismic amplitude and coherency anomalies, Wellington Field, Kansas, USA |
| Series title | SEG Technical Program Expanded Abstracts |
| DOI | 10.1190/1.3627595 |
| Volume | 30 |
| Issue | 1 |
| Publication Date | August 08, 2011 |
| Year Published | 2011 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | SEG Technical Program Expanded Abstracts |
| First page | 1978 |
| Last page | 1983 |