Results 11 to 20 of about 207,928 (204)

Geological Characteristics of Deep Shale Gas and Their Effects on Shale Fracability in the Wufeng-Longmaxi Formations of the Southern Sichuan Basin, China [PDF]

Lithosphere, 2023
The deep shale gas reservoirs of the Wufeng-Longmaxi Formations in the southern Sichuan Basin have strong heterogeneity and complex geological characteristics, resulting in a poor fracturing effect and low vertical production.
Jing Li, Hu Li, Cheng Yang, Xiaohai Ren, Yading Li   +4 more
doaj   +3 more sources

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   +2 more sources

Geochemical Characteristics and Organic Matter Accumulation of Wufeng-Longmaxi Shales in the Southeast of the Sichuan Basin of South China

Geofluids, 2022
The Upper Ordovician Wufeng Formation and Lower Silurian Longmaxi Formation black shales are the critical targets for shale gas exploration in the Sichuan Basin of South China.
Ying Zhang, Chengfu Lyu, Xue Gao, Zhaoqing Dang, Zhaotong Sun, Qianshan Zhou, Guojun Chen   +6 more
doaj   +2 more sources

Characteristics of the deep and ultra-deep shale reservoirs of the Wufeng-Longmaxi formations in the southeastern Sichuan Basin and the significance of shale gas exploration

Shiyou shiyan dizhi, 2023
Fruitful achievements have been made in shale gas exploration in the middle and deep areas from the Upper Ordovician Wufeng Formation to the Lower Silurian Longmaxi Formation in the southeastern Sichuan Basin, and in the research on shale reservoir ...
Fubin WEI, Zhujiang LIU, Feiran CHEN, Tao YUAN, Fei LI   +4 more
doaj   +2 more sources

Discussion on the contribution of graptolite to organic enrichment and gas shale reservoir: A case study of the Wufeng–Longmaxi shales in South China

Journal of Natural Gas Geoscience, 2018
The graptolitic shale of the Wufeng–Longmaxi Formations is widely deposited across the Ordovician and Silurian transition in South China, which is the target of shale gas exploration and development within China.
Zhen Qiu, Caineng Zou, Xizhe Li, Hongyan Wang, Dazhong Dong, Bin Lu, Shangwen Zhou, Zhensheng Shi, Ziqi Feng, Mengqi Zhang   +9 more
doaj   +2 more sources

Sedimentary environment controls on the accumulation of organic matter in the Upper Ordovician Wufeng–Lower Silurian Longmaxi mudstones in the Southeastern Sichuan Basin of China

Petroleum Science, 2018
The Upper Ordovician–Lower Silurian mudstones (including the Wufeng, Guanyinqiao and Longmaxi Formations) in the Sichuan Basin are some of the most important shale gas plays in China.
Lei Yang, Bo Ran, Yu-Yue Han, Shu-Gen Liu, Yue-Hao Ye, Christopher Xiao, Wei Sun, Di Yang, Guo-Dong Xia, Shi-Yu Wang   +9 more
doaj   +2 more sources

Preservation condition evaluation of normal pressure shale gas in the Wufeng and Longmaxi Formations of basin margin transition zone, Southeast Chongqing

地质科技通报, 2023
Despite the huge gas resources in the shale of the Upper Ordovician Wufeng Formation and Lower Silurian Longmaxi Formation in the Sichuan Basin and its periphery, commercial breakthroughs are mainly located inside the basin.The Southeast Chongqing ...
Yisheng Liu, Jineng Jin, Renfang Pan, Xiaotian Li, Zhengping Zhu   +4 more
doaj   +2 more sources

Three-Dimensional Morphology and Connectivity of Organic Pores in Shale from the Wufeng and Longmaxi Formations at the Southeast Sichuan Basin in China

Geofluids, 2021
Organic pores play an important role in shale reservoirs. Organic pores occur where shale gas was produced and accumulated. However, there is little scientific understanding of the distribution and connectivity of organic pores.
Tao Jiang, Zhijun Jin, Zongquan Hu, Wei Du, Zhongbao Liu, Jianhua Zhao   +5 more
doaj   +2 more sources

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
openaire   +3 more sources

Differential Reservoir-Forming Mechanisms of the Lower Paleozoic Wufeng-Longmaxi and Niutitang Marine Gas Shales in Northern Guizhou Province, SW China: Theories and Models

Energies, 2022
Fine dissection of microscopic pore structure variations between the Niutitang Formation and the Wufeng-Longmaxi Formation will help to improve the understanding of the underlying geological theory of shale gas in northern Guizhou Province.
Wei Du, Wei Yang, Xingyu Li, Fulun Shi, Ruiqin Lin, Yisong Wang, Daquan Zhang, Yi Chen, Zhao Sun, Fuping Zhao   +9 more
doaj   +2 more sources