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Quantitative lithofacies palaeogeography

Journal of Palaeogeography, 2014
Quantitative lithofacies palaeogeography is an important discipline of palaeogeography. It is developed on the foundation of traditional lithofacies palaeogeography and palaeogeography, the core of which is the quantitative lithofacies palaeogeographic ...
Zeng-Zhao Feng, Xiu-Juan Zheng, Zhi-Dong Bao, Zhen-Kui Jin, Sheng-He Wu, You-Bin He, Yong-Min Peng, Yu-Qing Yang, Jia-Qiang Zhang, Yong-Sheng Zhang   +9 more
doaj   +3 more sources

Seismic prediction of shale oil lithofacies associations based on sedimentary facies patterns: A case study of the shahejie formation in the Huanghekou Sag. [PDF]

PLoS ONE
The lithofacies play a pivotal role in studying development patterns, reservoir characteristics, and sweet spot predictions of shale oil. Lithofacies classification typically relies on core observations and conventional well logging analyses, whereas ...
He Zhao, Hongliang Wang, Guangyuan Wang, Lin Wan   +3 more
doaj   +2 more sources

Shale lithofacies types and reservoir characteristics from Ordovician Wufeng Formation to the first sub-member of the first member of Silurian Longmaxi Formation, northeast Zhaotong area

Shiyou shiyan dizhi, 2023
Shale lithofacies has an important influence on shale reservoirs. It controls the hydrocarbon generation capacity, storage performance and fracturing performance of shale to a certain extent.
Guanbao REN, Lei CHEN, Yubing JI, Qingsong CHENG   +3 more
doaj   +1 more source

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
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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

Well-log lithofacies classification based on machine learning for Chang-7 member in Longdong area of Ordos Basin [PDF]

Youqicang pingjia yu kaifa, 2023
Lithofacies analysis serves as the foundation for reservoir evaluation. However, due to the limited coring quantity and cost constraints, identifying lithofacies using logging data for uncored wells becomes crucial.
SHEN Li,WANG Caizhi,NING Congqian,LIU Yingming,WANG Hao
doaj   +1 more source

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
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Uncertainty Evaluation Method and Application of Reservoir Lithofacies Proportion under the Condition of Few Wells

Lithosphere, 2022
The proportion of different lithofacies is essential to determine the net-gross ratio, which directly affects the calculation of oil and gas reserves. Under the condition of few wells, the reliability of different lithofacies proportions obtained using ...
Shaohua Li, Chuan Du, Daowu Huang, Dongping Duan, Fang Ding, Siyu Yu, Xin Huang   +6 more
doaj   +1 more source

Paleo-sedimentary environment and lithofacies of Jurassic Da’anzhai Member in the Central Sichuan Basin-A case study of Well Ren’an 1

Frontiers in Earth Science, 2023
The Jurassic Da’anzhai Member in Sichuan Basin is an important target for shale oil exploration. Whole rock X-ray diffraction analysis, thin section, SEM and TOC testing, as well as major and trace element analysis are used to analyze the relationship of
Rui Zhang, Rui Zhang, Benjian Zhang, Minglei Wang, Haihua Zhu, Haihua Zhu, Shaomin Zhang, Wenqiang Tang, Hongfei Zhou, Yucong Li, Rong Bai, Min Jia, Yiqing Zhu, Luyuan Han   +13 more
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