Results 71 to 80 of about 1,169 (195)

Stratigraphic framework of the Wufeng-Longmaxi shale in and around the Sichuan Basin, China: Implications for targeting shale gas

Energy Geoscience, 2020
Stratigraphic division and correlation are crucial for the identification of sweet spots and drilling design of shale gas. In this study, a stratigraphic division and correlation was carried out for the Wufeng-Longmaxi Formations in southern China from ...
Hongyan Wang, Zhensheng Shi, Qun Zhao, Dexun Liu, Shasha Sun, Wei Guo, Feng Liang, Changmu Lin, Xuefan Wang   +8 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

Impact of Overpressure on the Deep Shale Pore System─A Case Study of Wufeng–Longmaxi Formations from the Southern Sichuan Basin

ACS Omega, 2023
This study investigated the effect of overpressure on the deep shale pore system in the Wufeng-Longmaxi Formation (WLF), a well-established shale gas reservoir in the southern Sichuan Basin, China. The Y1 well was drilled to explore deeper overpressured sections of the basin.
Lingling Xu, Renfang Pan, Haiyan Hu, Tao Wang   +3 more
openaire   +2 more sources

Depositional environment of shale in Wufeng and Longmaxi Formations, Sichuan Basin

Petroleum Research, 2017
Formation of organic-rich shale was controlled by depositional processes and environment condition. According to petrology, mineralogy, fossil composition and sedimentary structure, seven lithofacies of shale were identified in the Wufeng Formation to ...
Jianhua Zhao, Zhijun Jin, Zhenkui Jin, Xin Wen, Yikai Geng, Caina Yan, Haikuan Nie   +6 more
doaj   +1 more source

Chemostratigraphic Analysis of Wufeng and Longmaxi Formation in Changning, Sichuan, China: Achieved by Principal Component and Constrained Clustering Analysis [PDF]

, 2021
The increasing proportion of unconventional worldwide energy demands have consistently promoted the necessity for exploring a precise, high-resolution, objective, and quantitative stratigraphic division method for macroscopically homogeneous mudstone ...
Zhifeng Zhang, Bo Ran, Chengshan Wang, Wei Liu, Xiang Li, Yongjian Huang   +5 more
core   +1 more source

Dynamic elastic properties of the Wufeng–Longmaxi formation shale in the southeast margin of the Sichuan Basin

Journal of Geophysics and Engineering, 2014
In spite of the growing interest in Late Ordovician to the Early Silurian Wufeng–Longmaxi black shale for gas production in the southeast of the Sichuan Basin, little data is available on the acoustic properties of these shale reservoirs. The dynamic elastic properties of a suite of shales from this formation with different organic matter content were ...
Jixin Deng, Hui Shen, Zhonghua Xu, Zhonggao Ma, Qun Zhao, Chengcheng Li   +5 more
openaire   +1 more source

Shale petrofacies division of Wufeng-Longmaxi formations in Sichuan Basin and its periphery

Shiyou shiyan dizhi, 2020
The research of shale petrofacies is significant for the exploration of shale gas "sweet spots". Different petrographic division schemes have been proposed but no consensus has been reached. This paper has studied the criteria and boundary values of the petrographic classification reference parameters of the Upper Ordovician Wufeng-Lower Silurian ...
Tao YUAN, Xiangfeng WEI, Hanrong ZHANG, Chunyan LI, Fubin WEI, Longfei LU, Qiang WANG   +6 more
openaire   +1 more source

A Shale Gas Leaking Incident in Fuling Shale Gas Field in Chongqing, China: A Case Study

Energies, 2022
A ground natural gas leaking event at the Fuling shale gas field is reported in this paper. Thirteen leakage spots were discovered in two places near the SW-1 and SW-2 drilling wells.
Ye Zhang, Haijun Mao, Zhiping Zhang, Shu Jiang, Yiming Liu   +4 more
doaj   +1 more source

Analysis of the difference between the test and production in Well Z202-H1 [PDF]

E3S Web of Conferences, 2020
In recent years, shale gas in the Upper Ordovician Wufeng Formation and lower Silurian Longmaxi Formation is gradually developing into deep strata in Sichuan Basin.
Lei Zhian, Mao Zhenglin, Qi Lin, Zheng Jian, Zhang Haijie, Xie Wei   +5 more
doaj   +1 more source

Geochemical characteristics and organic matter enrichment model of Wufeng-Longmaxi formations shale in northeast Sichuan China

Meitan kexue jishu
The Sichuan Basin, located in southwestern China, is considered the primary producing area for shale gas development in the country. Its rich shale gas reserves have made it a significant contributor to China’s energy production. Within the Sichuan Basin,
Zhibo ZHANG, Yinghai GUO, Weiqing ZHENG, Chunlin ZENG, Yan LI, Difei ZHAO, Jiaming ZHANG   +6 more
doaj   +1 more source