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July 1, 2026Geochemistry International

Spatial Heterogeneity in Source Rock Geochemical Characteristics of Deep Layer Huoshiling Formation, Southern Songliao Basin

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Authors

BMBowen MengYZYutao ZhaoJFJing Fan

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Overview

Analyzes geochemical variations in source rock across sub-sags, revealing implications for natural gas exploration.

Key Points

  • Investigate the geochemical characteristics and spatial heterogeneity of source rock in the Huoshiling Formation.
  • Conducted organic geochemical analysis using gas chromatography-mass spectrometry (GC-MS).
  • Sampled source rock from various sub-sags including Baojia, Guojia, Huajia, Lanjia, and Nong’an South.
  • Classified source rock in Dehui and Wangfu fault depressions into three categories based on organic matter sources.
  • Discovered significant variation in biomarkers, particularly in n-alkanes, steranes, and hopanes across sub-sags.
  • Identified three categories of source rock, each linked to algae, terrestrial plants, and bacteria.
  • Nong’an South sub-sag showed high sterane/hopane ratios and C27 sterane percentages, indicating superior hydrocarbon potential.

Cite This Study

Meng et al. (2026) studied this question.

synapsesocial.com/papers/6a44ae015cd2549c8bc436d9https://doi.org/10.1134/s0016702926700072
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