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An X-ray computed micro-tomography dataset for oil removal from carbonate porous media

机译:X射线计算机断层扫描数据集用于从碳酸盐多孔介质中除油

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摘要

This study reveals the pore-scale details of oil mobilisation and recovery from a carbonate rock upon injection of aqueous nanoparticle (NP) suspensions. X-ray computed micro-tomography (μCT), which is a non-destructive imaging technique, was used to acquire a dataset which includes: (i) 3D images of the sample collected at the end of fluid injection steps, and (ii) 2D radiogram series collected during fluid injections. The latter allows monitoring fluid flow dynamics at time resolutions down to a few seconds using a laboratory-based μCT scanner. By making this dataset publicly available we enable (i) new image reconstruction algorithms to be tested on large images, (ii) further development of image segmentation algorithms based on machine learning, and (iii) new models for multi-phase fluid displacements in porous media to be evaluated using images of a dynamic process in a naturally occurring and complex material. This dataset is comprehensive in that it offers a series of images that were captured before/during/and after the immiscible fluid injections.
机译:这项研究揭示了注入水纳米粒子(NP)悬浮液后从碳酸盐岩中运油和采油的孔隙尺度细节。 X射线计算机断层扫描(μCT)是一种无损成像技术,用于获取数据集,该数据集包括:(i)在流体注入步骤结束时收集的样品的3D图像,以及(ii)流体注射过程中收集的2D射线图系列后者允许使用基于实验室的μCT扫描仪以几秒钟的时间分辨率监视流体流动动力学。通过公开发布此数据集,我们可以(i)在大图像上测试新的图像重建算法,(ii)基于机器学习的图像分割算法的进一步开发,以及(iii)多孔介质中多相流体驱替的新模型自然和复杂材料中使用动态过程图像评估的媒体。该数据集是全面的,因为它提供了在不混溶流体注入之前/之中/之后捕获的一系列图像。

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