Results 91 to 100 of about 283 (160)

Intelligent evaluation method for identifying favorable shale oil areas based on improved stacked sparse autoencoder [PDF]

Identifying and evaluating favorable areas is crucial for shale oil exploration and development, well-location deployment, and fracturing design. Traditional machine learning methods struggle to accurately extract the characteristics of favorable shale ...
Jingyu Qu, Rui Xu, Shihui Sun, Tie Yan, Zhaokai Hou   +4 more
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Optimization of Volumetric Fracturing Stages and Clusters in Continental Shale Oil Reservoirs Based on Geology-Engineering Integration

Energies
The exploration and development of shale oil offers significant potential as an alternative to address oil and gas supply. The complex geological conditions characterized by inter-lithology and strong heterogeneity pose substantial challenges in ...
Jiangang Cao, Meng Cai, Jinbo Li, Zheng Guo, Xuepeng Jiang, Guohao Dong   +5 more
doaj   +1 more source

Diffusion, mass transfer and oil mobilization mechanisms of CO2 huff-n-puff in Gulong shale oil reservoirs

Petroleum Exploration and Development
To reveal the complex crude oil-CO2 interaction mechanism and oil mobilization behavior during CO2 huff-n-puff in shale-type shale oil reservoirs, CO2 huff-n-puff experiments with on-line nuclear magnetic resonance monitoring were conducted on Gulong ...
Xiao HAN, Zhaojie SONG, Sen DENG, Chenggang XIAN, Binhui LI, Peiyu LI, Yilei SONG, Jiatong JIANG, Bingchen LYU, Lichao ZHANG   +9 more
doaj   +1 more source

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   +1 more source

Molecular dynamics of quantitative evaluation of confined fluid behavior in nanopores media and the influencing mechanism: Pore size and pore geometry [PDF]

Understanding the potential mechanisms of reservoir fluid storage, transport, and oil recovery in shale matrices requires an accurate and quantitative evaluation of the fluid behavior and phase state characteristics of the confined fluid in nanopores as ...
Erastova, Valentina, Greenwell, H. Chris, He, Taohua, Lu, Shuangfang, Xu, Yaohui, Xue, Haitao, Zhao, Rixin   +6 more
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A log-based method for fine-scale evaluation of lithofacies and its applications to the Gulong shale in the Songliao Basin, Northeast China

Energy Geoscience
The Gulong shale demonstrates high clay content and pronounced thin laminations, with limited vertical variability in log curves, complicating lithofacies classification.
Weilin Yan, Chunyan Wang, Shujun Yin, Zheng Wen, Jiandong Zheng, Xiuli Fu, Zhou Feng, Zhaoqian Zhang, Jianhua Zhu   +8 more
doaj   +1 more source

Organic-rich shale in Lianggaoshan Formation: study on macroscopic and microscopic mechanical properties and mechanism of influencing factors [PDF]

This study investigates the mechanical properties of organic-rich shale from the Lianggaoshan Formation using uniaxial and triaxial tests, nanoindentation, and atomic force microscopy. Key parameters such as elastic modulus and hardness are analyzed with
Chenchen Li, Di Cao, Jianqi Chen, Litao Ma, Panpan Li, Weiqiang Hu, Yangbing Li, Zaizhen Liu   +7 more
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Multi-Scale Porosity and Pore Structure Assessment of Shale [PDF]

, 2020
A study of shale gas is conducted to investigate the influencing factors of the fundamental pore structure interpretations in shale gas reservoirs.
Yuan, Yujie
core  

The Impact of Fractures on Shale Oil and Gas Enrichment and Mobility: A Case Study of the Qingshankou Formation in the Gulong Depression of the Songliao Basin, NE China

Energies
To study the impact of faults on the enrichment and mobility of shale oil in the Gulong area, representative rock samples were selected in this paper. Based on geochemical data and chemical kinetics methods, coupled with shale oil enrichment and mobility
Xuefeng Bai, Junhui Li, Wei Liu, Jijun Li, Xiuli Fu, Yangxin Su, Qiang Zheng, Shuangfang Lu, Xu Zeng, Hang You, Yingchao Xu   +10 more
doaj   +1 more source

Accumulation mechanism of crust–mantle mixing helium-rich reservoir : a case study of the Subei basin (Eastern China) [PDF]

Helium reservoirs, as an indispensable and scarce strategic resource, can be categorized into two primary origins: crust- and mantle-sourced. Understanding the mechanisms of its formation and accumulation is a crucial challenge in helium exploration ...
Chen, Jianfa, Holland, Greg, Li, Jian, Li, Wenqi, Liu, Huichuan, Wang, Xiaobo, Zhou, Zheng   +6 more
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