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Visualization of Bubble Formation in Porous Media
IEEE Transactions on Visualization and Computer Graphics
|September 4, 2018
Summary
This study introduces a new visualization method to analyze carbon dioxide (CO2) bubbles in porous rocks using X-ray computed tomography (XCT). The approach helps understand how rock structures affect CO2 bubble formation and storage potential.
Area of Science:
- Geophysics
- Petroleum Engineering
- Materials Science
Background:
- Understanding CO2 bubble behavior in porous rocks is crucial for carbon sequestration.
- X-ray computed tomography (XCT) provides detailed structural information but analyzing bubble dynamics requires specialized techniques.
Purpose of the Study:
- To develop a visualization approach for analyzing CO2 bubble-induced attenuation in porous rock formations.
- To extract and classify CO2 bubbles and their surrounding porous structures from XCT data.
- To support the identification of porous structures optimal for CO2 storage.
Main Methods:
- Customized techniques for extracting CO2 bubbles and porous structures from XCT data.
- Automatic classification of bubbles based on morphology and geometric features.
- A novel registration technique for visual comparison of bubbles and structures, considering contact points.
Main Results:
- Quantitative extraction of geometric bubble features.
- Successful demonstration of the approach in answering research questions related to CO2 storage.
- Identification of critical seismic characteristics governing CO2 storage in fluid-saturated rock.
Conclusions:
- The developed visualization approach enables detailed analysis of CO2 bubble behavior in porous media.
- The method aids in understanding the relationship between porous structure and bubble characteristics.
- This work has high practical relevance for evaluating CO2 storage capacity in geological formations.
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