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High-resolution X-ray micro-tomography and nano-tomography datasets of Estaillades Limestone.

Dataset title High-resolution X-ray micro-tomography and nano-tomography datasets of Estaillades Limestone.
Dataset creators Hannah Menke, Imperial College London
Qatar Carbonates And Carbon Storage Research Centre
Dataset theme Geoscientific Information
Dataset abstract

The datasets contain 5 stitched X-ray micro-tomographic images (grey-scale, doped, difference, segmented porespace and segmented micro-porespace with porespace) and 3 X-ray nano-tomographic images of a region of microporous porespace in Estaillades Limestone. The x-ray tomographic images were acquired at a voxel-resolution of 3.9676 μm using a Zeiss Versa XRM-510 flat-panel detector at 70 kV, 6W, and 85 μA with an exposure time of 0.037s and 64 frames. The X-ray nano-tomographic images were reconstructed using a proprietary filtered back projection algorithm from a set of 1601 projections, collected with the Zeiss Ultra 810 with 32nm voxel size using a 5.4keV energy quasi-monochromatic beam with an exposure time of 90s. The data was collected at Imperial College London and Zeiss Labs with the aim of investigating pore-scale microporosity in carbonates with a heterogenous pore structure. Understanding the effect of microporosity on flow is important in many natural and industrial processes such as contaminant transport, and geo-sequestration of supercritical CO2 to address global warming. These tomographic images can be used for validating various pore-scale flow models such as direct simulations, pore-network and neural network models for upscaling flow across scales.

Dataset content dates 01/01/2018 - 01/07/2018
Dataset spatial coverage Not Applicable
Dataset supply format .raw, .am, .tiff
Dataset language English-United Kingdom
Dataset discovery metadata record Discovery Link to the dataset's BGS Discovery Metadata record
Dataset publisher British Geological Survey
Dataset publication date January 2019
Dataset digital object identifier(DOI) 10.5285/0543fe60-8e38-49ba-a8ec-a727e8babd25
Dataset citation text Imperial College London, Qatar Carbonates And Carbon Storage Research Centre (2018): High-resolution X-ray micro-tomography and nano-tomography datasets of Estaillades Limestone. British Geological Survey. http://dx.doi.org/10.5285/0543fe60-8e38-49ba-a8ec-a727e8babd25
Constraints and terms of use This data set is delivered under the terms of the Open Government Licence, subject to the following acknowledgement accompanying any reproduced materials: "Imperial College London gratefully acknowledge permission to publish and funding from the Qatar Carbonates and Carbon Storage Research Centre (QCCSRC), provided jointly by Qatar Petroleum, Shell, and Qatar Science & Technology Park. Qatar Petroleum remain copyright owner."
Access the dataset https://www.bgs.ac.uk/services/ngdc/accessions/index.html#item112949
Further information Menke et al. (2018) (In review).