Results 1 to 10 of about 12,456 (161)

Advantageous shale lithofacies of Wufeng Formation-Longmaxi Formation in Fuling gas field of Sichuan Basin, SW China

Petroleum Exploration and Development, 2016
The lithofacies types of Upper Ordovician Wufeng Formation-Lower Silurian Longmaxi Formation shale, the main producing layer in Fuling gas field, are classified in detail using the modified ternary diagram of siliceous minerals-carbonates minerals-clay ...
Lanyu Wu, Dongfeng Hu, Ruobing Liu
exaly   +4 more sources

Integrating well log interpretations for lithofacies classification and permeability modeling through advanced machine learning algorithms

Journal of Petroleum Exploration and Production, 2017
In this paper, an integrated procedure was adopted to obtain accurate lithofacies classification to be incorporated with well log interpretations for a precise core permeability modeling.
Watheq Al-Mudhafar
exaly   +4 more sources

Anisotropic velocity properties and lithofacies identification of shahejie lacustrine shales [PDF]

Scientific Reports
Lacustrine shales have gained increasing attention in the global energy transition. However, their more complex lithofacies variations compared to marine shales pose significant challenges for precise reservoir characterization.
Min Li, Weihua Liu, Yang Wang, Junsheng Zhao, Hui Shen, Wenhui Tan   +5 more
doaj   +2 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

Lithofacies types and assemblage features of continental shale strata and their implications for shale gas exploration: A case study of the Middle and Lower Jurassic strata in the Sichuan Basin

Natural Gas Industry B, 2020
Fine identification and division of lithofacies types of continental shale strata is an important basis for the evaluation of shale gas exploration and development potential.
Guangxiang Liu, Dongjun Feng, Zongquan Hu   +2 more
exaly   +3 more sources

Pore-micro fracture structure, porosity and gas- bearing property of deep shale under lithofacies-formation pressure coupling [PDF]

Scientific Reports
Formation pressure-lithofacies type are the most critical factors influencing micro pore structure and porosity in shale reservoir. However, how these two factors jointly affect shale gas accumulation remains unclear.
Yunjun Zhang, Hao Zhang, Li Zhang, Jianlin Li, Yaohui Yan   +4 more
doaj   +2 more sources

A permeability prediction method based on pore structure and lithofacies

Petroleum Exploration and Development, 2019
Permeability prediction using linear regression of porosity always has poor performance when the reservoir with complex pore structure and large variation of lithofacies.
XiaoFeng DAI
exaly   +3 more sources

A comparative study of heterogeneous ensemble methods for the identification of geological lithofacies

Journal of Petroleum Exploration and Production, 2020
Mudstone reservoirs demand accurate information about subsurface lithofacies for field development and production. Normally, quantitative lithofacies modeling is performed using well logs data to identify subsurface lithofacies.
Umakant Dhar Dwivedi, Dr. Saurabh Tewari
exaly   +2 more sources

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   +4 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