Results 11 to 20 of about 291 (177)

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

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
openaire   +1 more source

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

Characterization of 3D pore nanostructure and stress-dependent permeability of organic-rich shales in northern Guizhou Depression, China

Journal of Rock Mechanics and Geotechnical Engineering, 2022
The three-dimensional (3D) pore structures and permeability of shale are critical for forecasting gas production capacity and guiding pressure differential control in practical reservoir extraction.
Xiaofang Jiang, Shouchun Deng, Haibo Li, Hong Zuo   +3 more
doaj   +1 more source

Types of biogenic quartz and its coupling storage mechanism in organic-rich shales: A case study of the Upper Ordovician Wufeng Formation to Lower Silurian Longmaxi Formation in the Sichuan Basin, SW China

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, Dazhong DONG, Hualing ZHANG, Shasha SUN, Surong ZHANG, Wen GUO   +5 more
doaj   +1 more source

Conditions for shale gas accumulation and the gas-bearing factors of the Wufeng-Longmaxi formation in the Laifeng-Xianfeng area. [PDF]

Sci Rep
In 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, Zhou Q, Li Y, Yang R, Zhao R, Ma D.   +5 more
europepmc   +4 more sources

Depositional Environment and Organic Matter Enrichment in the Lower Paleozoic Shale from the Northeastern Margin of the Yangtze Platform, South China

Journal of Marine Science and Engineering, 2023
In this study, twenty-six core shale samples were collected from the marine Lower Paleozoic shale in a well in the northeastern margin of the Yangtze Platform.
Peng Liu, Changjie Liu, Ruiliang Guo
doaj   +1 more source

Pressure evolution of shale gas reservoirs in Wufeng-Longmaxi formations, Lintanchang area, southeast Sichuan Basin and its geological significance

Shiyou shiyan dizhi, 2023
The Upper Ordovician Wufeng Formation-Lower Silurian Longmaxi Formation in Lintanchang area of the southeastern Sichuan Basin has good exploration and development conditions, and clarifying the paleo-fluid pressure evolution is of great significance for ...
Jianming TANG, Jianhua HE, Limin WEI, Yong LI, Hucheng DENG, Ruixue LI, Shuang ZHAO   +6 more
doaj   +1 more source

Major controlling factors for the high-quality shale of Wufeng–Longmaxi Formation, Sichuan Basin [PDF]

Energy Exploration & 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 ...
Yuman Wang, Xinjing Li, Dazhong Dong, Chenchen Zhang, Shufang Wang   +4 more
openaire   +2 more sources