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  1.  37
    Factors Controlling Organic Matter Enrichment in the Lower Cambrian Niutitang Formation Shale on the Eastern Shelf Margin of the Yangtze Block, China.Xianglu Tang, Zhenxue Jiang, Zhuo Li, Lijun Cheng, Ye Zhang, Panke Sun & Chunyan Fan - 2017 - Interpretation: SEG 5 (3):T399-T410.
    The degree of organic matter enrichment in shale determines its oil and gas potential. To understand the factors controlling this OM enrichment, we have used petrological and geochemical analyses to study the Lower Cambrian Niutitang Formation Shale in the eastern shelf margin of the Yangtze Block. Our results reveal that the total organic carbon content of the Niutitang Formation Shale varies significantly throughout the vertical section. The lower part of the Niutitang Formation has a high TOC content, likely due to (...)
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  2.  28
    Characterization and Origin of the Silurian Wufeng-Longmaxi Formation Shale Multiscale Heterogeneity in Southeastern Sichuan Basin, China.Zhenxue Jiang, Xianglu Tang, Lijun Cheng, Zhuo Li, Yingying Zhang, Yongqiang Bai, Yuan Yuan & Jin Hao - 2015 - Interpretation: SEG 3 (2):SJ61-SJ74.
    Shale heterogeneity is important for micro- to macroscale-quality reservoir prediction. We evaluated the multiscale heterogeneity in shale based on thin-section observation, field emission scanning electron microscope observation, low-pressure [Formula: see text] adsorption analysis, mercury intrusion porosimetry, organic carbon analysis, and bulk chemical analysis by X-ray powder diffraction. We evaluated the results in which the heterogeneity of minerals and organic matter in shale was shown by disorderly and unsystematically distributed mineral grains, lamina, and rapid lithology at multiple scales. The random arrangement (...)
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  3.  9
    Characteristics and Origin of the Pore Structure of the Lacustrine Tight Oil Reservoir in the Northwestern Jiuquan Basin, China.Chunyan Fan, Xianglu Tang, Yuanyin Zhang, Yan Song, Zhenxue Jiang, Qun Luo & Baiying Li - 2019 - Interpretation 7 (3):T625-T636.
    The pore structure controls the formation processes of tight oil reservoirs. It is meaningful to study the characteristics and origin of the pore structure of the tight oil reservoir. We have analyzed the pore structure of the tight oil reservoir by thin sections, scanning electron microscopy, and mercury intrusion porosimetry. We analyze the origin of the pore structure based on sedimentological, diagenetic, and tectonism processes. The porosity of the tight oil reservoirs is mainly approximately 2%–10%, and the permeability is mainly (...)
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  4.  33
    Porosity Evolution Mechanisms of Marine Shales at Over-Maturity Stage: Insight From Comparable Analysis Between Lower Cambrian and Lower Silurian Inside and at the Margin of the Sichuan Basin, South China.Xin Li, Zhenxue Jiang, Yan Song, Gangyi Zhai, Shujing Bao, Zhuo Li, Xianglu Tang, Pengfei Wang, Tingwei Li, Guozhen Wang, Wen Zhou, Hengyuan Qiu & Yanan Miao - 2018 - Interpretation 6 (3):T739-T757.
    To figure out porosity evolution mechanisms of marine shales inside and at the margin of the Sichuan Basin, South China, we measured samples selected from Lower Cambrian Qiongzhusi shales and Lower Silurian Longmaxi shales by a combination of X-ray diffraction, geochemistry measurement, focused ion beam milling and scanning electron microscopy imaging, and [Formula: see text] adsorption. It was suggested that shales of the upper Qiongzhusi Formation and the Longmaxi Formation possessed larger pore volumes and larger pore surface areas than those (...)
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    Porosity Evolution Mechanisms of Marine Shales at Over-Maturity Stage: Insight From Comparable Analysis Between Lower Cambrian and Lower Silurian Inside and at the Margin of the Sichuan Basin, South China.Xin Li, Zhenxue Jiang, Yan Song, Gangyi Zhai, Shujing Bao, Zhuo Li, Xianglu Tang, Pengfei Wang, Tingwei Li, Guozhen Wang, Wen Zhou, Hengyuan Qiu & Yanan Miao - 2018 - Interpretation: SEG 6 (3):T739-T757.
    To figure out porosity evolution mechanisms of marine shales inside and at the margin of the Sichuan Basin, South China, we measured samples selected from Lower Cambrian Qiongzhusi shales and Lower Silurian Longmaxi shales by a combination of X-ray diffraction, geochemistry measurement, focused ion beam milling and scanning electron microscopy imaging, and [Formula: see text] adsorption. It was suggested that shales of the upper Qiongzhusi Formation and the Longmaxi Formation possessed larger pore volumes and larger pore surface areas than those (...)
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    Pore Structure and Controlling Factors of Dolomite-Bearing High-Salinity Shale Reservoir in Qianjiang Formation, Jianghan Basin, China.Tong Zhou, Jianzheng Su, Shichao Fan, Zhaofeng Li, Xiaoxue Liu & Xianglu Tang - 2020 - Interpretation 8 (4):T675-T686.
    High-salinity shale is a unique and promising shale-oil reservoir in continental basins. We have collected representative samples from different lithologies from wells in the Qianjiang Depression to test the pore structure and basic character from prospective high-salinity oil-bearing shales. We conducted field emission scanning electron microscopy and X-ray diffraction analyses to study the high-salinity shale pore morphology and composition, respectively. We used mercury injection capillary pressure to understand the high-salinity shale macropore distribution, and we used low-pressure nitrogen adsorption to study (...)
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