Results 81 to 90 of about 290 (175)

Genesis of pore-fracture systems in shallow marine shale gas reservoirs and its significance for "sweet window" prediction: coupling constraints from dynamic and static gas accumulation elements

Shiyou shiyan dizhi
The shallow marine shale gas reservoirs in the Upper Ordovician Wufeng Formation and the Lower Silurian Longmaxi Formation of residual synclines in northern Guizhou have experienced episodic tectonic superimposed reformation.
Wei YANG, Ke MIAO, Haodong HOU, Zhenxue JIANG, Ruiqin LIN, Fuping ZHAO, Wei DU, Fulun SHI, Mou DING   +8 more
doaj   +1 more source

Characteristics of organic pores and composition of bio-precursors in the Wufeng and Longmaxi Formation shales, Southern Sichuan Basin, China

Energy Exploration & Exploitation, 2018
Bio-precursors of organic matter, referring to formerly living precursors, can influence content and distribution of organic pores significantly. However, insufficient attention has been paid in previous studies.
Qian Pang, Guang Hu, Kun Jiao, Xiucheng Tan, Hong Liu, Yuehao Ye, Shun Yan, Dongfang Zhao   +7 more
doaj   +1 more source

Guanyinqiao Member lithofacies of the Upper Ordovician Wufeng Formation around the Sichuan Basin and the significance to shale gas plays, SW China

Petroleum Exploration and Development, 2016
: The stratigraphic distribution and lithofacies features of the Guanyinqiao Member of the Upper Ordovician Wufeng Formation around the Sichuan Basin were studied based on the data of drilling, outcrops, rock minerals, geochemistry and logging.
Yuman WANG, Dazhong DONG, Jinliang HUANG, Xinjing LI, Shufang WANG   +4 more
doaj   +1 more source

The relationship between helium-rich gas and regional shale in the Sichuan Basin, Southwest China

Frontiers in Earth Science
Despite over 60 years of helium development in the Sichuan Basin, the mechanism of helium enrichment remains poorly understood. Helium-rich gas is primarily found as gas composition analysis in the fields.
Jianglin He, Jianglin He, Jianglin He, Jianglin He, Shuangjian Li, Shuangjian Li, Ankun Zhao, Ankun Zhao, Dong Wang, Dong Wang, Jian Gao, Jian Gao, Xiaolin Zhou, Xiaolin Zhou, Mohamed S. Ahmed, Zhenghe Wang, Zhenghe Wang, Lixia Zhu, Lixia Zhu   +18 more
doaj   +1 more source

Distribution characteristics and geological significance of the thickest Aeronian bentonite bed in the Middle-Upper Yangtze Region, China

Journal of Natural Gas Geoscience, 2018
Founded on the data deriving out of the outcrops and key exploratory wells, the distribution characteristics of the thickest bentonite layer of the Aeronian in the Middle-Upper Yangtze Region as well as its unique role in the geological evaluation of ...
Yuman Wang, Xinjing Li, Bo Chen, Jing Han, Jiaming Zhang, Fei Yuan, Jie Ma, Bing Dai, Hao Wang, Shan Jiang   +9 more
doaj   +1 more source

Structural detachment influences the shale gas preservation in the Wufeng-Longmaxi Formation, Northern Guizhou Province

Open Geosciences
Abstract In order to reveal the restriction in shale gas enrichment of the Wufeng-Longmaxi Formation in the northern Guizhou province, the influence model of detachment layer was established through field geological investigation, core observation, logging, sample analysis, and geological background data.
Shi, Sheng, Wang, Ganlu, Mou, Yuliang, Wei, Xiangfeng   +3 more
openaire   +2 more sources

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
doaj   +1 more source

Mineral compositional controls on the porosity of black shales from the Wufeng and Longmaxi Formations (Southern Sichuan Basin and its surroundings) and insights into shale diagenesis

Energy Exploration & Exploitation, 2018
The effects of brittle minerals in shale diagenesis on shale pores remain controversial and it is difficult to quantify directly. However, the relationship between brittle minerals and shale pores could provide indirect guidance regarding diagenesis ...
Mei Han, Chao Han, Zuozhen Han, Zhigang Song, Wenjian Zhong, Hao Li, Wenlong Xu   +6 more
doaj   +1 more source

Geological conditions and reservoir characteristics of various shales in major shale-hosted regions of China

China Geology
China is home to shales of three facies: Marine shale, continental shale, and marine-continental transitional shale. Different types of shale gas are associated with significantly different formation conditions and major controlling factors.
Shu-jing Bao, Tian-xu Guo, Jin-tao Yin, Wei-bin Liu, Sheng-jian Wang, Hao-han Li, Zhi Zhou, Shi-zhen Li, Xiang-lin Chen   +8 more
doaj   +1 more source

An intelligent recognition method of deep shale gas reservoir laminaset based on laminaset clustering and R-L-M algorithm

Artificial Intelligence in Geosciences
Lamina structures, as typical sedimentary features in shale formations, determine both the quality of shale reservoirs and fracturing effects. In this study, through electric imaging logging, based on core scanning photos, thin sections, and other data ...
Yu Zeng, Fuqiang Lai, Haijie Zhang, Yi Jiang, Junwei Pu, Tongtong Luo, Xiaoxia Zhao   +6 more
doaj   +1 more source