Results 11 to 20 of about 1,021 (176)

Black Shale Lithofacies of the Wufeng–Longmaxi Formation in the Southeast Margin of Chongqing, China

Geofluids
China’s shale gas has undergone nearly 20 years of exploration; unconventional oil and gas geological evaluation theories and research methods have been greatly enriched, but how to quickly, conveniently, and accurately identify the sweet spots of shale gas is still puzzling many researchers.
Junqing Liu, Qisen Gong, Chenye Guo, Shuang Du, Kai Wang, Bin Wu, Shihong Xiao, Lei Wen, Ping Guo, Zhihui Zhao, Leyi Zhang, Ping Lei   +11 more
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Characteristics and formation stages of natural fractures in Lower Silurian Longmaxi Formation in Tiangongtang area of Sichuan Basin

Shiyou shiyan dizhi
The Lower Silurian Longmaxi Formation on the southwestern margin of the Sichuan Basin holds significant shale gas reserves. The characteristics and formation stages of fractures play a crucial role in shale gas accumulation and productivity.
Linhao LI, Cunhui FAN, Shengxian ZHAO, Shaojun LIU, Fei XU, Shan NIE, Yawei YU   +6 more
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Study on Fracture Morphological Characteristics of Refracturing for Longmaxi Shale Formation [PDF]

Geofluids, 2020
Refracturing technology has become an important means for the regeneration of old wells reconstruction. It is of great significance to understand the formation mechanism of hydraulic fracturing fracture for the design of hydraulic fracturing. In order to accurately evaluate and improve fracturing volume after refracturing, it is necessary to understand
Yintong Guo, Lei Wang, Xin Chang, Jun Zhou, Xiaoyu Zhang   +4 more
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Wave velocity in shale in the Wufeng-Longmaxi formation in Sichuan Basin

Journal of Geophysics and Engineering, 2022
Abstract Analyzing the pattern of wave velocity is important for velocity prediction and amplitude-versus-offset analysis during unconventional seismic exploration. Several parameters, including the maturity and microstructure of organic matter (OM), the wave velocity, the mineral composition and the density of shale from Upper ...
Zichun Liu, Rong Peng, Xiangyang Li, Xiangdong Du, Zhenyu Zhu, Xin Li, Huafei Li   +6 more
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Structural Analysis and Evolution Model of the Longmaxi Formation in the Yanjin–Junlian Area of the Southern Sichuan Basin, China

Frontiers in Earth Science, 2022
The Longmaxi Formation in the southern Sichuan Basin is an important target for shale gas exploration and development. The characteristics and stages of structural development significantly impact shale gas preservation and enrichment.
Huaimin Wang, Cunhui Fan, Yi Fang, Shengxian Zhao, Xiangchao Shi, Jianfeng Liu, Hongfeng Yang, Jun Hu, Chengbo Lian   +8 more
doaj   +1 more source

Influence of the Duration of Tectonic Evolution on Organic Matter Pore Structure and Gas Enrichment in Marine Shale: A Case Study of the Lower Silurian Longmaxi Shale in Southern China

Frontiers in Earth Science, 2022
The exploration and development of the shale in the Lower Silurian Longmaxi Formation in the Chongqing area has shown that gas production here is commercially viable.
Xin Li, Pengfei Wang, Pengfei Wang, Shuai Wang, Can Jin, Chen Zhang, Rui Zhao, Zhenxue Jiang   +7 more
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Micro-pore structure and fractal characteristics of deep shale from Wufeng Formation to Longmaxi Formation in Jingmen exploration area, Hubei Province, China

Journal of Natural Gas Geoscience, 2022
To explore the pore structure and fractal characteristics of shale reservoirs in the Jingmen exploration area and quantitatively evaluate the heterogeneity and complexity of pores, taking Wufeng-Longmaxi formations of Well YT3 as the research object, the
Xiaoming Li, Yarong Wang, Wen Lin, Lihong Ma, Dexun Liu, Jirong Liu, Yu Zhang   +6 more
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Gas-Bearing Characteristics of the Longmaxi Formation Shale in the Changning Area, Southern Sichuan Basin, SW China

Frontiers in Earth Science, 2022
The Changning area, located in the south of the Sichuan Basin, has obtained commercial shale gas from the Silurian Longmaxi Formation, which is characterized by rich organic matter, large hydrocarbon generation, and high gas content.
Chang Lu, Chang Lu, Chang Lu, Lei Chen, Lei Chen, Cui Jing, Xiucheng Tan, Xiucheng Tan, Zhou Nie, Xin Chen, Xin Chen, De Heng   +11 more
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Earth’s Orbital Control on Organic Matter Enrichment in the Black Shales of the Wufeng–Longmaxi Formation in the Upper Yangtze Region, South China

Frontiers in Earth Science, 2022
China’s most successful horizon for shale-gas exploration and development is the Upper Ordovician Wufeng Formation through the Lower Silurian Longmaxi Formation in its Upper Yangtze Region. In this study, the Wufeng–Longmaxi Formation black shales in the
Shaoze Zhao, Shaoze Zhao, Yong Li, Yingjiao Xu, Leli Cheng, Zhou Nie, Liang Zhao   +6 more
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Organic Petrological Characteristics of Graptolite and Its Contribution to Buried Organic Carbon of Longmaxi Formation Shales, Middle Yangtze Region

Energies, 2022
The shale gas exploration of the Longmaxi Formation in the Yangtze Region of China has made a significant breakthrough. As an important hydrocarbon generation organism, graptolite is widely distributed in the Longmaxi Formation shales, but its ...
Wenhao Li, Xiuzhe Wang, Min Wang, Erqiang Yang   +3 more
doaj   +1 more source