Results 1 to 10 of about 207,928 (204)
Petroleum Exploration and Development, 2017 The reservoir characteristics of the Upper Ordovician Wufeng-Lower Silurian Longmaxi Formations in southern Sichuan Basin were preliminarily revealed in this study by identifying and quantitatively evaluating the fracture pores of five appraisal wells in
Yuman WANG +4 more
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Major controlling factors for the high-quality shale of Wufeng–Longmaxi Formation, Sichuan Basin [PDF]
Energy Exploration and Exploitation, 2017 Research on major controlling factors of the high-quality shale in Upper Ordovician Wufeng–Lower Silurian Longmaxi Formation is a major subject. Based on the information of outcrops and drilling data acquired from Southern Sichuan combined with geochemical elemental analysis and biostratigraphy, this paper analyzed the sedimentary characteristics of ...
Dazhong Dong, Xinjing Li, Yuman Wang
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Shale lithofacies and reservoir space of the Wufeng–Longmaxi Formation, Sichuan Basin, China
Petroleum Exploration and Development, 2012 Based on observation of the outcrops and cores of the Late Ordovician to the Early Silurian Wufeng-Longmaxi shale, developed in the deep water shelf environment, in the southeast of the Sichuan Basin, the mineralogical features, lithofacies characteristics and reservoir space types were studied and the factors affecting reservoir capacity were analyzed
Zaixing Jiang, Chao Liang
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Journal of Marine Science and Engineering, 2019 This study uses logging data, mineral component content, total organic carbon (TOC) content, and microscopic characteristics of the organic-rich shales in the Wufeng and Longmaxi Formations, as well as data reported by other researchers, to demonstrate ...
Shao-Ze Zhao +8 more
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Impact of Overpressure on the Deep Shale Pore System-A Case Study of Wufeng-Longmaxi Formations from the Southern Sichuan Basin. [PDF]
ACS Omega, 2023 This study investigated the effect of overpressure on the deep shale pore system in the Wufeng-Longmaxi Formation (WLF), a well-established shale gas reservoir in the southern Sichuan Basin, China. The Y1 well was drilled to explore deeper overpressured sections of the basin.
Xu L, Pan R, Hu H, Wang T.
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Petroleum Exploration and Development, 2021 Biogenic quartz in the Upper Ordovician Wufeng Formation to Lower Silurian Longmaxi Formation (Wufeng– Longmaxi) shale layers in the Sichuan Basin and its periphery is qualitatively analyzed and quantitatively characterized by organic petrologic ...
Quanzhong GUAN +5 more
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Shale petrofacies division of Wufeng-Longmaxi formations in Sichuan Basin and its periphery
Shiyou shiyan dizhi, 2020 The research of shale petrofacies is significant for the exploration of shale gas "sweet spots". Different petrographic division schemes have been proposed but no consensus has been reached.
Tao YUAN +6 more
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Conditions for shale gas accumulation and the gas-bearing factors of the Wufeng-Longmaxi formation in the Laifeng-Xianfeng area. [PDF]
Sci RepIn this work, taking wells LD1, LD2, and LY2 in the Laifeng-Xianfeng area as the research target, through core description, intensive core sampling, experimental analysis, imaging logging and other methods, the characteristics of graptolite zone development, organic carbon content, mineral composition, shale reservoir properties and the gas-bearing ...
Jiang S +5 more
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Depositional environment of shale in Wufeng and Longmaxi Formations, Sichuan Basin
Petroleum Research, 2017 Formation of organic-rich shale was controlled by depositional processes and environment condition. According to petrology, mineralogy, fossil composition and sedimentary structure, seven lithofacies of shale were identified in the Wufeng Formation to ...
Jianhua Zhao +6 more
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Changes in palaeoclimate and palaeoenvironment in the Upper Yangtze area (South China) during the Ordovician–Silurian transition [PDF]
Scientific Reports, 2022 The Ordovician–Silurian transition was a critical period in geological history, during which profound changes in climatic, biotic, and oceanic conditions occurred.
Xin Men, Chuanlong Mou, Xiangying Ge
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