Geochemical effects of intra-layer hydrocarbon micro-migration in shale layers: a case study of the No. 5 shale layer of the No. Ⅲ sand group in the upper submember of the third member of the Paleogene Hetaoyuan Formation in the deep sag area of Biyang Sag, Nanxiang Basin

Geochemical effects of intra-layer hydrocarbon micro-migration in shale layers: a case study of the No. 5 shale layer of the No. Ⅲ sand group in the upper submember of the third member of the Paleogene Hetaoyuan Formation in the deep sag area of Biyang Sag, Nanxiang Basin

Hydrocarbon micro-migration within source rock layers is an important pathway for shale oil enrichment, and the resulting geochemical effects provide strong evidence for its occurrence. To verify the existence of hydrocarbon micro-migration in the deep sag area of the Biyang Sag of Nanxiang Basin an...

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Bibliographic Details
Main Authors: Dongmei ZHANG, Shuifu LI, Yanyan ZHANG, Peng SU, Changran ZHOU
Format: Article
Language:Chinese
Published: Editorial Office of Petroleum Geology and Experiment 2025-07-01
Series:Shiyou shiyan dizhi
Subjects:
ud shale
intra-layer micro-migration
geochemical effect
no. 5 shale layer
biyang sag
nanxiang basin
Online Access:https://www.sysydz.net/cn/article/doi/10.11781/sysydz2025040847
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