Five stitched X-ray micro-tomographic images and three nano-tomographic images of microporous Estaillades Limestone, acquired at 3.9676 µm and 32nm voxel resolutions respectively. The data was collected at Imperial College London and Zeiss Labs to investigate heterogeneous pore-scale microporosity in carbonates. These images can be used for validating pore-scale flow models relevant to contaminant transport and CO2 geo-sequestration.
Use Cases
- Validate direct simulation flow models based on the segmented porespace images.
- Train neural network models for upscaling flow across scales using the high-resolution grey-scale and segmented images.
- Analyze pore-network connectivity and geometry based on the segmented micro-porespace data.
- Investigate the effect of microporosity on flow for applications like CO2 geo-sequestration, as mentioned in the description.
Strengths
- Includes images at two distinct resolutions: 3.9676 µm micro-tomography and 32nm nano-tomography.
- Provides multiple processed image types per sample, including grey-scale, doped, difference, and segmented porespace versions.
- Acquisition parameters are explicitly stated, including 70 kV energy, 0.037s exposure, and 1601 projections for nano-tomography.
Limitations
- Description metadata is limited; actual data quality requires manual inspection after download.
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count and file formats are unknown, which may limit suitability assessment.
Provenance
- Source
- British Geological Survey (BGS), with data collected at Imperial College London and Zeiss Labs.
- Collection Method
- X-ray tomographic images acquired using a Zeiss Versa XRM-510 and reconstructed from projections using a proprietary filtered back projection algorithm.
- Time Range
- null
- Freshness
- Last updated 2026-04-09 08:40:11.564560; freshness should be verified.
- Geography
- null