Results 11 to 20 of about 8,158 (163)

Logging identification and prediction of lithofacies of lacustrine shale system in Shichang Sub-Sag, Nanpu Depression

地质科技通报, 2021
The study of the lithofacies of shale formation is the basic work for shale oil exploration.Due to the limited distribution of the continental lacustrine basin and the fast variations of lithofacies, it is difficult to accurately identify and predict the
Bang Zeng, Xiaoping Liu, Guoyong Liu, Shaochun Wang, Guoyong Li   +4 more
doaj   +2 more sources

The Implementation of Machine Learning in Lithofacies Classification using Multi Well Logs Data [PDF]

Aceh International Journal of Science and Technology, 2021
Lithofacies classification is a process to identify rock lithology by indirect measurements. Usually, the classification is processed manually by an experienced geoscientist.
Sudarmaji Saroji*, Ekrar Winata, Putra Pratama Wahyu Hidayat, Suryo Prakoso, Firman Herdiansyah   +4 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 ...
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
doaj   +2 more sources

Study on reservoir characteristics, pore-throat structure, and origin of tight oolitic reservoirs: A case study of Triassic Feixianguan Formation, NE Sichuan Basin, SW China

Frontiers in Earth Science, 2023
The origin and pore-throat structure of different lithofacies are key issues in exploration and development of tight oolitic reservoirs. Based on core and thin section observation, four types of lithofacies can be recognized in the Feixianguan Formation ...
Guanxiong Ren, Guanxiong Ren, Qirong Qin, Qirong Qin, Qiang Zhang, Yanbo Guo, Zhaoyang Ye   +6 more
doaj   +1 more source

Lithofacies Characteristics and Sweet Spot Distribution of Lacustrine Shale Oil: A Case Study from the Dongying Depression, Bohai Bay Basin, China [PDF]

, 2022
Lacustrine shale is characterized by rapid lithofacies transformation and compositional heterogeneity, which present challenges in shale oil sweet spot evaluation and distribution prediction and should be systematically studied.
Xinyu Du, Pengjie Ma, Minhua Ren, Chunmei Dong, Kaihao Lang, Guiang Li, Yue Yuan, Chengyan Lin, Weibin Liu, Long Jiang, Ziru Zhao   +10 more
core   +1 more source

Lithofacies Paleogeography and Geological Survey of Shale Gas [PDF]

, 2023
This is an open access book. This book presents new theory and methods on compiling lithofacies paleogeographic maps as a key tool for guiding geological survey on shale gas. The fundamental goal of the shale gas geological survey is to find the ‘dessert’
Ge, Xiangying, Mou, Chuanlong, Liang, Wei, Wang, Xiuping, Zan, Bowen, Zhou, Kenken, Wang, Qiyu, Chen, Xiaowei   +7 more
core   +2 more sources

Nanoscale Pore Characteristics of the Lower Permian Shanxi Formation Transitional Facies Shale, Eastern Ordos Basin, North China

Frontiers in Earth Science, 2022
The Lower Permian Shanxi Formation in the Eastern Ordos Basin is a set of transitional facies shale, and it is also a key target for shale gas exploration in China. Based on lithofacies classification by X-ray diffraction and kerogen type identification,
Zhanlei Wang, Zhanlei Wang, Bingzheng Guo, Chan Jiang, Lin Qi, Yuqiang Jiang, Yuqiang Jiang, Yifan Gu, Yifan Gu, Yonghong Fu, Yonghong Fu, Demin Liang   +11 more
doaj   +1 more source

Favourable exploration lithofacies of hybrid sedimentary shales in the Dongpu depression, Bohai Bay Basin

Frontiers in Earth Science
Hybrid sedimentary shales (HSS) are key components of continental shale oil resources. The inherent heterogeneity of HSS lead to rapid variations in oil content and mobility, complicating sweet spot prediction.
Jinbao Duan, Yunlong Xu, Bo Yuan, Lingxi Li, Tianwu Xu, Debo Wang, Kai Chao, Dongdong Yang, Honglei Li   +8 more
doaj   +2 more sources

Development and controlling factors of shale lithofacies cycles in a continental rift basin: A case study of Es4u in the Boxing Subsag of Dongying Sag, Bohai Bay Basin, China

Frontiers in Earth Science, 2023
The shale of the upper Es4 formation (Es4u), deposited during the Eocene in the Boxing Subsag of the Dongying Sag, is a typical set of lime-rich lacustrine shale in a continental rift basin.
Zhengwei Fang, Zhengwei Fang, Zhengwei Fang, Zhengwei Fang, Zhengwei Fang, Liqiang Zhang, Cunfei Ma   +6 more
doaj   +1 more source

Controlling mechanism of pore-throat structure of different lithofacies on gas-water relative permeability characteristics of tight sandstone gas reservoir: A case study of the Lower Shihezi Formation in the Well J72 block of the Dongsheng Gas Field, Ordos Basin

地质科技通报, 2023
To understand the controlling mechanism of pore-throat characteristics on gas-water relative permeability characteristics of tight sandstone gas reservoirs and better guide the increase in gas reserves and production, taking the Lower Shihezi Formation ...
Dingding Zhao, Jiagen Hou, Xiujie Wang, Yuming Liu, Ruxian Chen, Zhanyang Zhang   +5 more
doaj   +1 more source