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September 5, 2025ProcessesOpen Access

Causes and Controlling Factors of Overpressure Systems in the Qingshankou Formation: Insights for Unconventional Oil and Gas Exploration

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Authors

FCFangju ChenXFXiuli FuQZQiang Zheng

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Overview

Comparative analysis identifies pressure prediction methods and controlling factors in overpressure systems, suggesting implications for hydrocarbon distribution.

Key Points

  • The Eaton method is the most accurate technique for estimating formation pore pressure in the Qingshankou Formation.
  • Hydrocarbon-generating overpressure, influenced by source rock maturation, is the primary mechanism identified.
  • Tectonic-sedimentary factors, including burial depth and faults, control overpressure spatial variability.
  • The distribution of Gulong shale oil and Fuyu tight oil is significantly impacted by overpressure in specific favorable areas.

Cite This Study

Chen et al. (2025) studied this question.

synapsesocial.com/papers/68bb4d196d6d5674bcd00972https://doi.org/10.3390/pr13092790
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