Results 1 to 10 of about 223 (109)

Discovery and significance of tempestites and storm deposits in the Qingshankou Formation of the Gulong Sag, northeastern China

Frontiers in Earth Science, 2023
The Qingshankou Formation in the Gulong Sag has attracted significant attention due to its rich shale oil reserves. However, several fundamental geological problems associated with shale from the Qingshankou Formation remain unresolved.
Wenyuan He, Wenyuan He, Wenyuan He, Jianhua Zhong, Jianhua Zhong, Ningliang Sun   +5 more
doaj   +3 more sources

Geochemical Features of Lacustrine Shales in the Upper Cretaceous Qingshankou Formation of Changling Sag, Songliao Basin, Northeast China

Energies, 2022
The organic-rich shale of the Upper Cretaceous Qingshankou Formation is an important hydrocarbon source rock in Northeast China. In this study, taking the lacustrine shale in the Qingshankou Formation as an example, geochemical analysis, including total ...
Zhongcheng Li, Zhidong Bao, Zhaosheng Wei, Lei Li, Hailong Wang   +4 more
doaj   +3 more sources

Gulong shale oil enrichment mechanism and orderly distribution of conventional– unconventional oils in the Cretaceous Qingshankou Formation, Songliao Basin, NE China

Petroleum Exploration and Development, 2023
Through the study of organic matter enrichment, hydrocarbon generation and accumulation process of black shale of the Cretaceous Qingshankou Formation in the Songliao Basin, the enrichment mechanism of Gulong shale oil and the distribution of ...
Shuichang ZHANG, Bin ZHANG, Xiaomei WANG, Zihui FENG, Kun HE, Huajian WANG, Xiuli FU, Yuke LIU, Chunlong YANG   +8 more
doaj   +3 more sources

Study on Dolomite Thin Layers and Nodules in the Qingshankou Formation Shale Oil Reservoir of Gulong Sag

Energies, 2023
Recently, 15.1 billion tons of shale oil geological resources were discovered in the Qingshankou Formation of Gulong Sag, Songliao Basin, and this discovery has attracted considerable attention.
Guoqing Sun, Wanbai Dong, Xiangguo Zhang, Jianhua Zhong, Ningliang Sun   +4 more
doaj   +3 more sources

Characteristics and Key Controlling Factors of the Interbedded-Type Shale-Oil Sweet Spots of Qingshankou Formation in Changling Depression

Energies, 2023
Different types of shale-oil sweet spots have developed and are vertically stacked in multiple layers of the Qingshankou Formation in the Changling Depression, southern Songliao Basin.
Liang Yang, Jilin Xing, Wei Xue, Lehua Zheng, Rui Wang, Dianshi Xiao   +5 more
doaj   +3 more sources

Differential reservoir formation mechanisms of shale oil reservoirs in the Qingshankou Formation, Cretaceous system, Songliao Basin [PDF]

Scientific Reports
To investigate the lithofacies assemblages, reservoir types, oil content, and mobility of shale oil reservoirs in the Cretaceous Qingshankou Formation of the Songliao Basin, a comprehensive set of analyses was conducted, including thin-section mosaic ...
Yao Qi, Xu Chengwu, Li Tingting, Shao Shiguo, Li Chuanhao, Wang Mengying, Zheng Yunheng, Liu Xiaoxuan   +7 more
doaj   +2 more sources

Pore Structure and Its Controls of Shale in the Qingshankou Formation, Sanzhao Sag, Songliao Basin

Energies, 2023
The exploration and development of Gulong shale oil in the Songliao Basin has achieved a major breakthrough, with the result that a national shale oil demonstration area is being built. The shale in the Sanzhao Sag is abundant in organic matter and is an
Surong Zhang, Songtao Wu, Rukai Zhu, Jingya Zhang, Chang Liu, Tianshu Zhang, Yi Cai, Mengying Li, Ganlin Hua, Yuan Kang, Bo Wang   +10 more
doaj   +3 more sources

Geochemical Characteristics of Mature to High-Maturity Shale Resources, Occurrence State of Shale Oil, and Sweet Spot Evaluation in the Qingshankou Formation, Gulong Sag, Songliao Basin

Energies
The exploration of continental shale oil in China has made a breakthrough in many basins, but the pure shale type has only been found in the Qingshankou Formation, Gulong Sag, Songliao Basin, and the evaluation of shale oil occurrence and sweet spot ...
Bo Gao, Zihui Feng, Jinglan Luo, Hongmei Shao, Yubin Bai, Jiping Wang, Yuxuan Zhang, Yongchao Wang, Min Yan   +8 more
doaj   +3 more sources

Characterization of Microstructures in Lacustrine Organic-Rich Shale Using Micro-CT Images: Qingshankou Formation in Songliao Basin

Energies, 2022
In order to explore the development characteristics and influencing factors of microscale pores in lacustrine organic-rich muddy shale, this study selected five shale samples with different mineral compositions from the Qingshankou Formation in the ...
Yan Cao, Qi Wu, Zhijun Jin, Rukai Zhu
doaj   +3 more sources

Petrological characteristics and shale oil enrichment of lacustrine fine-grained sedimentary system: A case study of organic-rich shale in first member of Cretaceous Qingshankou Formation in Gulong Sag, Songliao Basin, NE China

Petroleum Exploration and Development, 2018
Taking organic-rich shale in the first member of Cretaceous Qingshankou Formation in the Gulong Sag, northern Songliao Basin as an example, this study examined the lithofacies classification, petrological characteristics, pore size distribution and their
Bo LIU, Jiaxin SHI, Xiaofei FU, Yanfang LYU, Xianda SUN, Lei GONG, Yunfeng BAI   +6 more
doaj   +3 more sources