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An intelligent lithology identification method for sandstone and mudstone strata and its applications: A case study of the Jurassic strata in the Lunnan area, Xinjiang, China [PDF]

open access: yesMeitian dizhi yu kantan
ObjectiveLithology identification lays the foundation for fine-scale reservoir evaluation. However, traditional identification methods generally utilize the interactive relationships between only 2‒3 logging parameters, suffering from low utilization ...
Ming CAI   +8 more
doaj   +3 more sources

A New Method of Lithology Classification Based on Convolutional Neural Network Algorithm by Utilizing Drilling String Vibration Data [PDF]

open access: yesEnergies, 2020
Formation lithology identification is of great importance for reservoir characterization and petroleum exploration. Previous methods are based on cutting logging and well-logging data and have a significant time lag.
Gang Chen   +5 more
doaj   +2 more sources

A lightweight model hyperparameters searching method for fast, accurate and on-site lithology identification [PDF]

open access: yesJournal of Rock Mechanics and Geotechnical Engineering
The efficiency of tunnel excavation, rock strength, stability of surrounding rock, and underground engineering disasters are closely related to lithology.
Zhenhao Xu, Heng Shi, Peng Lin, Shan Li
doaj   +2 more sources

An Igneous Rock Lithology Identification Method Based on Data-Algorithm Bidirectional-Driven Framework [PDF]

open access: yesCejing jishu
Current igneous rock lithology identification technology faces compounded technical bottlenecks arising from significant disparities between conventional logging responses and lithological sensitivity, challenges in constructing continuous stratigraphic ...
HAN Ruiyi   +3 more
doaj   +2 more sources

The Research on Complex Lithology Identification Based on Well Logs: A Case Study of Lower 1st Member of the Shahejie Formation in Raoyang Sag [PDF]

open access: yesEnergies, 2023
Lithology identification is the basis for sweet spot evaluation, prediction, and precise exploratory deployment and has important guiding significance for areas with low exploration degrees.
Zhaojing Song   +5 more
doaj   +2 more sources

Stratigraphic identification using real-time drilling data [PDF]

open access: yesJournal of Rock Mechanics and Geotechnical Engineering
Identification of stratigraphic interfaces and lithology is a key aspect in geological and geotechnical investigations. In this study, a monitoring while-drilling system was developed, along with a corresponding data pre-processing method. The method can
Minglong You   +5 more
doaj   +2 more sources

Application of neural architecture search in lithology identification

open access: yesJournal of Petroleum Exploration and Production Technology
Identifying rock types is the essential step in geological exploration because it guides reservoir description and development planning. Conventional methods that rely on empirical correlations or elementary machine learning approaches frequently produce
Yuhao Zhang   +7 more
doaj   +2 more sources

Logging identification of lithology in fine-grained sedimentary rocks based on the FSSA-HKELM model: a case study of the Qingshankou Formation in the Songliao Basin (NE China) [PDF]

open access: yesOil Shale
The lithology distribution of fine-grained sedimentary rocks in regional space plays a crucial role in guiding the exploration of oil shale layers. Identifying lithology by conventional logging information is efficient and cost-effective.
Baiqiang Tang   +6 more
doaj   +3 more sources

Intelligent lithologic identification of sandy conglomerate reservoirs in District No.7 of Karamay oilfield

open access: yesShenzhen Daxue xuebao. Ligong ban, 2023
The sandy conglomerate reservoirs in Karamay are characterized by diverse lithology and interlayers. The cost of the conventional coring methods is high, and the identification accuracy in non-coring section is low, which leads to difficulty in reservoir
LU Ji, LIN Botao, SHI Can, ZHANG Jiahao
doaj   +1 more source

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