Results 21 to 30 of about 207,928 (204)

Numerical modeling of in-situ stress and prediction of favorable area of shale gas layer in Wufeng to Longmaxi formations, Nanchuan region, southeastern Chongqing

Shiyou shiyan dizhi, 2023
Upper Ordovician Wufeng to Lower Silurian Longmaxi formations in Nanchuan region, as an important shale gas productive layer, is characterized by large shale thickness, deep burial depth, and complex in-situ stress with rapid direction changes. Therefore,
Ming LIU, Ruiqing YANG, Fengli YANG, Haojuan LIU, Zhiping ZHANG, Wei WANG, Panpan HU   +6 more
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Basic characteristics of key interfaces in Upper Ordovician Wufeng Formation – Lower Silurian Longmaxi Formation in Sichuan Basin and its periphery, SW China

Petroleum Exploration and Development, 2022
Based on anatomy of key areas and data points and analysis of typical features of shell layer in Guanyinqiao Member, basic characteristics of key interfaces, mainly bentonite layers, in the Upper Ordovician Wufeng Formation—Lower Silurian Longmaxi ...
Yuman WANG, Hongyan WANG, Zhen QIU, Junjun SHEN, Qin ZHANG, Leifu ZHANG, Canhui WANG, Xinjing LI   +7 more
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Significance and formation mechanism of abnormally pressured compartments of shale gas in the Ordovician Wufeng-Silurian Longmaxi formations, southeastern Sichuan Basin

Shiyou shiyan dizhi, 2022
Overpressure is commonly existed in shale gas pools of Jiaoshiba and Dingshan structures in the southeastern part of Sichuan and Huangjinba structure in Changning area of the southern region of Sichuan.
Weixin LIU, Longfei LU, Deliao YE, Chencheng HE, Wangwei LIU, Lingjie YU, Wentao ZHANG, Baojian SHEN   +7 more
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Organic pore heterogeneity and its impact on absorption capacity in shale reservoirs in the Wufeng and Longmaxi formations, South China

Energy Geoscience
This study aims to determine the variation and controlling factors of shale gas adsorption capacity in reservoirs in the Upper Ordovician Wufeng Formation and the Lower Silurian Longmaxi Formation (also referred to as the WF-LMX formations), South China.
Yuying Zhang, Zhiliang He, Shuangfang Lu, Dianshi Xiao, Yifei Li, Yang Liu   +5 more
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Genesis and preservation mechanisms of deep shale gas overpressure in Wufeng-Longmaxi formations, southeastern Sichuan Basin

Shiyou shiyan dizhi
In recent years, significant progress has been made in deep to ultra-deep shale gas exploration of Wufeng-Longmaxi formations in southeastern Sichuan Basin.
Zhujiang LIU
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Microscopic characteristics and geological significance of pyrite in shales of the Wufeng-Longmaxi formations, southeastern Chongqing, China

Energy Geoscience
Shales of the Wufeng-Longmaxi formations in the basin-margin transition zone of southeastern Chongqing, China are characterized by high organic matter content and a significant presence of pyrite development.
Xiao Cai, Wei Xia, Yuxia Liu, Shunzhou Liao, Lei Zhang, Weixue Hu, Li Liu, Wei Li, Fanwu Zeng   +8 more
doaj   +2 more sources

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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Depositional and Diagenetic Controls on Macroscopic Acoustic and Geomechanical Behaviors in Wufeng-Longmaxi Formation Shale [PDF]

Frontiers in Earth Science, 2021
This integrated study provides significant insight into parameters controlling the dynamic and static elastic behaviors of shale. Acoustic and geomechanical behaviors measurement from laboratory have been coupled with detailed petrographic and geochemical analyses, and microtexture observations on shale samples from the Wufeng−Longmaxi Formation of the
Jixin Deng, Jixin Deng, Jixin Deng, Chongyi Wang, Chongyi Wang, Qun Zhao, Wei Guo, Genyang Tang, Jianguo Zhao   +8 more
openaire   +2 more sources

Gas-bearing characteristics and preservation conditions of Upper Ordovician Wufeng-Lower Silurian Longmaxi shale in western Hubei

Shiyou shiyan dizhi, 2021
The Upper Ordovician Wufeng to Lower Silurian Longmaxi formations are important exploration targets for shale gas in the western Hubei province. The lithology, sedimentary facies, gas-bearing characteristics and preservation conditions of the Wufeng ...
Lulu XU, Yaru WEN, Yanlin ZHANG, Zhijun REN, Jie YANG, Jianhang WEN, Wei CHEN, Fan LUO, Ke DUAN   +8 more
doaj   +1 more source

Geochemical characteristics and resource potential of shale gas in Sichuan Basin, China

Journal of Natural Gas Geoscience, 2021
Shale gas is a green, low-carbon and clean unconventional natural gas energy. China is rich in shale gas resources. Accelerating shale gas exploration and development is of great practical significance to improve China's energy structure and achieve the ...
Jian Li, Xiaobo Wang, Lianhua Hou, Chang Chen, Jianying Guo, Chunlong Yang, Yifeng Wang, Zhisheng Li, Huiying Cui, Aisheng Hao, Lu Zhang   +10 more
doaj   +1 more source