Analysis of the controlling factors for sweet spots in lacustrine shale based on core experiments and 2D NMR logging

Analysis of the controlling factors for sweet spots in lacustrine shale based on core experiments and 2D NMR logging

Abstract The Gulong shale in the Songliao Basin, characterized by its high clay content, poses significant challenges for the identification of sweet spots. To address this, a novel temperature-dependent retorting and 2D NMR joint experimental approach was developed to investigate the fluid characte...

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Bibliographic Details
Main Authors: Zhaoqian Zhang, Yanjie Song, Shujun Yin, Bo Liu, Haibo Zhao, Weilin Yan, Jiandong Zheng
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Scientific Reports
Subjects:
Shale oil
High clay content
Sweet spots
2D NMR logs
Songliao basin
Gulong Sag
Online Access:https://doi.org/10.1038/s41598-025-04771-1
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