Results 11 to 20 of about 449 (130)
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
doaj +3 more sources
As the hydrocarbon generation and storage mechanisms of high quality shales of Upper Ordovician Wufeng Formation- Lower Silurian Longmaxi Formation remain unclear, based on geological conditions and experimental modelling of shale gas formation, the ...
Xusheng GUO +7 more
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Shale lithofacies and reservoir space of the Wufeng–Longmaxi Formation, Sichuan Basin, China
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 ...
Chao LIANG +3 more
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In order to analyze the main factors controlling shale gas accumulation and to predict the potential zone for shale gas exploration, the heterogeneous characteristics of the source rock and reservoir of the Wufeng-Longmaxi Formation in Sichuan Basin were
Yuying Zhang +6 more
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The lithofacies types of Upper Ordovician Wufeng Formation-Lower Silurian Longmaxi Formation shale, the main producing layer in Fuling gas field, are classified in detail using the modified ternary diagram of siliceous minerals-carbonates minerals-clay ...
Lanyu WU +4 more
doaj +3 more sources
The dominant factors controlling development of microfractures in the black shale and the origin of microfractures in the sweet spot intervals were discussed of the Ordovician Wufeng Formation−Silurian Longmaxi Formation in Shuanghe outcrop profile ...
Dazhong DONG +13 more
doaj +3 more sources
Helium characteristics and resource potential analysis of Wufeng-Longmaxi Formation in Changning area, southern Sichuan [PDF]
Helium has characteristics such as a low boiling point, high thermal conductivity, and strong inertness. It plays a key role in fields such as low-temperature superconductivity, protective gas, refrigeration, medical treatment, and electronics, and is ...
YU Zhenxiang, CHEN Lei, CHEN Xin, LIU Rui, TAN Xiucheng, WU Shuaicai, QIN Hexing, XU Qiang
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This paper investigates the permeability characteristics and average pore size of Longmaxi shale under different temperature and pressure conditions. A customized high‐temperature and high‐pressure core permeability instrument was used to carry out seepage experiments on the Longmaxi shale.
Xiaoyan Zhang +4 more
wiley +1 more source
This study is based on logging data and core testing data, and uses machine‐learning algorithms to construct a regression model for the relative content of shale minerals. The regression prediction model and mineral ternary diagrams are used to classify and identify lithofacies.
Yi Liu +4 more
wiley +1 more source
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
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