What question did this study set out to answer?

To optimize hydraulic fracture propagation and design for efficient gas extraction from deep coalbed methane reservoirs.

February 8, 2026ProcessesOpen Access

Hydraulic Fracture Propagation and Fracturing Design Optimization in Deep Coalbed Methane Reservoirs of the Changqing Oilfield

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Uncovers factors enhancing gas production in deep coalbed methane reservoirs, suggesting improved extraction methods.

To optimize hydraulic fracture propagation and design for efficient gas extraction from deep coalbed methane reservoirs.
Developed structural and geomechanical models using well log data from 31 wells.
Conducted numerical simulations to analyze fracture propagation under various conditions.
Identified key parameters affecting fracture length and stimulated reservoir volume.
Optimizing fluid volume and segment cluster ratio enhances fracture propagation.
Better design improves total stimulated reservoir volume.
Findings indicate greater effectiveness in reservoirs with stronger rock plasticity and higher permeability.

Wen et al. (2026) studied this question.

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