Reservoir Characteristics and Main Controlling Factors of the Third Member of Feixianguan Formation in Puguang Area, Northeastern Sichuan Basin

January 1, 2026Environment and ResourceOpen Access

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Key Points

Clarify the developmental mechanisms of the T1f3 reservoir in the Puguang area to provide geological support for efficient exploration.
Core observation and analysis
Thin section identification
Scanning electron microscopy
The T1f3 reservoir is predominantly composed of dolostone with particle and crystalline types.
Reservoir characteristics exhibit low porosity and permeability with significant inter-well heterogeneity.
The main controlling factors include sedimentation, diagenesis, and tectonic activities, affecting reservoir quality.

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Systematic analysis of reservoir mechanisms in the Feixianguan Formation reveals key geological factors for efficient exploration in Sichuan Basin.

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Nannan Xiaqingsong Qingshan Chen (2026) studied this question.

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