DEEP DIVE VIRTUAL WORKSHOPS - DIGITAL ROCK ANALYSIS
1. Data Collection
There are many data collection parameters to consider. The X-ray voltage and filter contribute to the image contrast and beam hardening artifacts. The scan time affects the signal-to-noise ratio. And the resolution needs to be carefully selected to run accurate simulations. In this episode, we will go into the lab and compare different data collection settings. Then we will review how to collect high-quality CT images of a drill core that can be used for digital rock analysis.
In this workshop, you will learn:
- How to assess the resolution required for digital rock analysis
- How to collect high-quality CT images of drill cores
- How to evaluate the image quality for digital rock analysis
Resources
Download: CT data collection checklist for Digital Rock Physics
Download: Presentation slides - Digital Rock Analysis - 1. Data collection
- CT scanner: CT Lab HX
- Analysis software: GeoDict by Math2Market
-
Digital Rock Physics by Dr. Jens-Oliver Schwartz (GeoDict User Meeting 2020 recording)
-
Blog article: How to Improve the Signal-to-noise Ratio of X-ray CT Images
-
Blog article: How to Improve the Resolution of X-Ray CT Images
-
Saxena et al., Imaging and computational considerations for image computed permeability: Operating envelope of Digital Rock Physics, Advances in Water Resources, 116, 2018, p. 127-144, https://doi.org/10.1016/j.advwatres.2018.04.001
-
Rumpf et al., Einflüsse der Porosität und Korngrößenverteilung im Widerstandsgesetz der Porenströmung, Chemie Ingenieur Technik, 1973, 43(6), p. 367-375, https://doi.org/10.1002/cite.330430610
-
Saxena et al., References and benchmarks for pore-scale flow simulated using micro-CT images of porous media and digital rocks, Advances in Water Resources, 109, 2017, p. 211-235, http://dx.doi.org/10.1016/j.advwatres.2017.09.007
-
Introduction to Rock Properties by Prof. Robert Zimmerman at Imperial College London - Course Notes
- Empirical data source: Wisconsin Geological and Natural History Survey
- Empirical data source: PetroWiki
- Sample digital rock data: Digital Rocks Portal
Presenter: Aya Takase
Director of X-ray Imaging
Co-presenter: Angela Criswell
Senior Scientist
Host: Tom Concolino
Analytical X-Ray Consultant
Learn how X-ray CT works and how it is used
Our webinar series has helped many people learn what X-ray CT is, how it works, and how it can help in various areas. If you are wondering if this technique is for you or looking for an imaging technique that can help you solve your research and production problems, you can start with this series: X-ray Computed Tomography for Materials and Life Science Webinar Series.
Sign up for email updates
We will let you know when new content is available or an event is coming up. Subscribe to X-ray CT Email Updates.