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全尺寸、微观分辨率的砂岩和碳酸盐岩层析成像，辅以实验孔隙度和渗透率值。

Full scale, microscopically resolved tomographies of sandstone and carbonate rocks augmented by experimental porosity and permeability values.

机构信息

IBM Research, Av. República do Chile, 330, Rio de Janeiro, RJ, 20031-170, Brazil.

University of São Paulo, São Carlos Institute of Physics, São Carlos, 13560-970, Brazil.

出版信息

Sci Data. 2023 Jun 7;10(1):368. doi: 10.1038/s41597-023-02259-z.

DOI:10.1038/s41597-023-02259-z
PMID:37286560
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10247717/
Abstract

We report a dataset containing full-scale, 3D images of rock plugs augmented by petrophysical lab characterization data for application in digital rock and capillary network analysis. Specifically, we have acquired microscopically resolved tomography datasets of 18 cylindrical sandstone and carbonate rock samples having lengths of 25.4 mm and diameters of 9.5 mm. Based on the micro-tomography data, we have computed porosity-values for each imaged rock sample. For validating the computed porosity values with a complementary lab method, we have measured porosity for each rock sample by using standard petrophysical characterization techniques. Overall, the tomography-based porosity values agree with the measurement results obtained from the lab, with values ranging from 8% to 30%. In addition, we provide for each rock sample the experimental permeabilities, with values ranging from 0.4 mD to above 5D. This dataset will be essential for establishing, benchmarking, and referencing the relation between porosity and permeability of reservoir rock at pore scale.

摘要

我们报告了一个数据集，其中包含经过岩石插件全尺寸、3D 图像增强的岩石插件，并附有岩石物理实验室特征数据，可用于数字岩石和毛细管网分析。具体来说，我们已经获得了 18 个圆柱形砂岩和碳酸盐岩样本的显微镜分辨率层析数据集，样本长度为 25.4 毫米，直径为 9.5 毫米。基于微层析数据，我们计算了每个成像岩样的孔隙度值。为了用互补的实验室方法验证计算出的孔隙度值，我们使用标准的岩石物理特征技术测量了每个岩样的孔隙度。总的来说，基于层析的孔隙度值与从实验室获得的测量结果吻合，范围从 8%到 30%。此外，我们还为每个岩样提供了实验渗透率值，范围从 0.4mD 到 5D 以上。该数据集对于建立、基准测试和参考储层岩石在孔隙尺度上的孔隙度和渗透率之间的关系至关重要。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/9e619de846c8/41597_2023_2259_Fig13_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/e090e3e2c5cb/41597_2023_2259_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/5e5ed9ffc4ac/41597_2023_2259_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/aaadd0b19cd5/41597_2023_2259_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/b1fb77ac6d7c/41597_2023_2259_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/06bf323bc339/41597_2023_2259_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/393ee4775f5d/41597_2023_2259_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/5ca7b96cec42/41597_2023_2259_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/7165537e7bf9/41597_2023_2259_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/04dd296b860a/41597_2023_2259_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/a289f8a5d89b/41597_2023_2259_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/6a0ad3c23bfc/41597_2023_2259_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/048930c006f5/41597_2023_2259_Fig12_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/9e619de846c8/41597_2023_2259_Fig13_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/e090e3e2c5cb/41597_2023_2259_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/5e5ed9ffc4ac/41597_2023_2259_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/aaadd0b19cd5/41597_2023_2259_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/b1fb77ac6d7c/41597_2023_2259_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/06bf323bc339/41597_2023_2259_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/393ee4775f5d/41597_2023_2259_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/5ca7b96cec42/41597_2023_2259_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/7165537e7bf9/41597_2023_2259_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/04dd296b860a/41597_2023_2259_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/a289f8a5d89b/41597_2023_2259_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/6a0ad3c23bfc/41597_2023_2259_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/048930c006f5/41597_2023_2259_Fig12_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a2f1/10247717/9e619de846c8/41597_2023_2259_Fig13_HTML.jpg

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