Professional Committee of Rock and Mineral Testing Technology of the Geological Society of China, National Geological Experiment and Testing CenterHost
2016 Vol. 35, No. 6
Article Contents

Yu WANG, Chan JIN, Li-hua WANG, Jian-qiang WANG, Zheng JIANG, Yan-fei WANG. Pore Segmentation Methods Based on Gray Scale of Scanning Electron Microscopy Images[J]. Rock and Mineral Analysis, 2016, 35(6): 595-602. doi: 10.15898/j.cnki.11-2131/td.2016.06.005
Citation: Yu WANG, Chan JIN, Li-hua WANG, Jian-qiang WANG, Zheng JIANG, Yan-fei WANG. Pore Segmentation Methods Based on Gray Scale of Scanning Electron Microscopy Images[J]. Rock and Mineral Analysis, 2016, 35(6): 595-602. doi: 10.15898/j.cnki.11-2131/td.2016.06.005

Pore Segmentation Methods Based on Gray Scale of Scanning Electron Microscopy Images

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  • Microscopic pore structures of shale are the basis for investigating the adsorption and migration mechanism of shale gas and building a geological model. Ar ion milling combined with Scanning Electron Microscopy (SEM) is the main technique for analyzing microscopic pore structures of shale. However, previous research focused mainly on pore classification and lacked insufficient studies on the quantitative characteristics of pore structures. In order to conduct quantitative research on pore structures and improve the quality of pore segmentation, edge detection, watershed, auto and manual thresholding methods were used in this study to perform segmentation of mineral matrix pore and organic matter pore based on SEM images. By comparing results obtained from all of these methods, the conclusion drawn was that the manual thresholding method could reflect pores with diameters larger than 1 nm and identify the organic matter, pores and brittle minerals accurately by selecting a suitable segmentation thresholding value, guaranteeing the analysis to be closer to the true states. The proposed method provides a more effective method for quantitative analyses of shale pore structures.
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  • [1] 邹才能,朱如凯,白斌,等.中国油气储层中纳米孔首次发现及其科学价值[J].岩石学报,2011,27(6):1857-1864.

    Google Scholar

    Zou C N,Zhu R K,Bai B,et al.First Discovery of Nano-pore Throat in Oil and Gas Reservoir in China and Its Scientific Value[J].Acta Petrologica Sinica,2011,27(6):1857-1864.

    Google Scholar

    [2] Clarkson C R,Jensen J L,Blasingame T A.Reservoir Engineering for Unconventional Gas Reservoirs:What Do We Have to Consider?[C]//SPE Paper145080 Presented at the Society of Petroleum Engineers North American Unconventional Gas Conference and Exhibition.Woodlands,Texas,2011.

    Google Scholar

    [3] Loucks R G,Reed R M,Ruppel S C,et al.Morphology,Genesis,and Distribution of Nanometer-scale Pores in Siliceous Mudstones of the Mississippian Barnett Shale[J].Journal of Sedimentary Research,2009,79(12):848-861. doi: 10.2110/jsr.2009.092

    CrossRef Google Scholar

    [4] Klaver J,Desbois G,Littke R,et al.BIB-SEM Characteri-zation of Pore Space Morphology and Distribution in Postmature to Overmature Samples from the Haynesville and Bossier Shales[J].Marine and Petroleum Geology,2015,59:451-466. doi: 10.1016/j.marpetgeo.2014.09.020

    CrossRef Google Scholar

    [5] 王羽,金婵,汪丽华,等.应用氩离子抛光-扫描电镜方法研究四川九老洞组页岩微观孔隙特征[J].岩矿测试,2015,34(3):278-285.

    Google Scholar

    Wang Y,Jin C,Wang L H,et al.Characterization of Pore Structures of Jiulaodong Formation Shale in the Sichuan Basin by SEM with Ar-ion Milling[J].Rock and Mineral Analysis,2015,34(3):278-285.

    Google Scholar

    [6] Curtis M E,Sondergeld C H,Ambrose R J,et al.Microstructural Investigation of Gas Shales in Two and Three Dimensions Using Nanometer-scale Resolution Imaging[J].AAPG Bulletin,2012,96(4):665-677. doi: 10.1306/08151110188

    CrossRef Google Scholar

    [7] Dewers T A,Heath J,Ewy R,et al.Three-dimensional Pore Networks and Transport Properties of a Shale Gas Formation Determined from Focused Ion Beam Serial Imaging[J].International Journal of Oil Gas and Coal Technology,2012,5(2-3):229-248.

    Google Scholar

    [8] Wang Y,Pu J,Wang L H,et al.Characterization of Typical 3D Pore Networks of Jiulaodong Formation Shale Using Nano-transmission X-ray Microscopy[J].Fuel,2016,170:84-91. doi: 10.1016/j.fuel.2015.11.086

    CrossRef Google Scholar

    [9] 刘娜,郭连军,赵楠楠.基于形态重构的分水岭岩石图像分割方法[J].辽宁科技大学学报,2010,33(5):495-498.

    Google Scholar

    Liu N,Guo L J,Zhao N N.Segmentation Algorithm of Rock Image with Morphological Reconstruction[J].Journal of University of Science and Technology Liaoning,2010,33(5):495-498.

    Google Scholar

    [10] Houben M E,Desbois G,Urai J L.Pore Morphology and Distribution in the Shaly Facies of Opalinus Clay (Mont Terri,Switzerland):Insights from Representative 2D BIB-SEM Investigations on mm to nm Scale[J].Applied Clay Science,2013,71:82-97. doi: 10.1016/j.clay.2012.11.006

    CrossRef Google Scholar

    [11] Ji Y T,Hall S A,Baud P,et al.Characterization of Pore Structure and Strain Localization in Majella Limestone by X-ray Computed Tomography and Digital Image Correlation[J].Geophysical Journal International,2015,200(2):699-717. doi: 10.1093/gji/ggu414

    CrossRef Google Scholar

    [12] 何斌,马天予,王运坚等编著.Visua1C++数字图像处理(第二版)[M].北京:人民邮电出版社,2002:394-398.

    Google Scholar

    He B,Ma T Y,Wang Y J,et al.Visual C Digital Image Processing (Second Edition)[M].Beijing:Posts & Telecom Press,2002:394-398.

    Google Scholar

    [13] Gonzalez R C,Woods R E.Digital Image Processing (Second Edition)[M].Beijing:Publishing House of Electronics Industry,2005.

    Google Scholar

    [14] Nikhil R P,Sankar K P.A Review on Image Segment-ation Techniques[J].The Journal of the Pattern Recognition Society,1993,26(9):1277-1294. doi: 10.1016/0031-3203(93)90135-J

    CrossRef Google Scholar

    [15] Loucks R G,Reed R M,Ruppel S C,et al.Spectrum of Pore Types for Matrix-related Mud Pores[J].AAPG Bulletin,2012,96(6):1071-1098. doi: 10.1306/08171111061

    CrossRef Google Scholar

    [16] 于炳松.页岩气储层孔隙分类与表征[J].地学前缘,2013,20(4):211-220.

    Google Scholar

    Yu B S.Classification and Characterization of the Gas Shale Pore System[J].Earth Science Frontiers,2013,20(4):211-220.

    Google Scholar

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