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The study aims to enhance gas hydrate recovery through a co-production strategy using shallow gas.

March 4, 2026EnergiesOpen Access

A Numerical Investigation of Enhancing Hydrate Dissociation via Co-Production with Shallow Gas upon a Large-Scale Model

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The study aims to enhance gas hydrate recovery through a co-production strategy using shallow gas.
Developed a large-scale, three-dimensional, multi-phase, multi-component model.
Designed a dual horizontal well configuration for co-production of natural gas and hydrate.
Conducted sensitivity analyses on bottom hole pressure and length of horizontal intervals.
Co-production increased the peak and cumulative volume rate of CH4 by 3.52 and 1.45 times, respectively.
Achieved a 2.4-fold improvement in NGH recovery efficiency.
Reducing bottom hole pressure significantly improved gas production rates from hydrate-bearing reservoirs.

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Numerical investigations demonstrate improved hydrate recovery via co-production in marine sediments, indicating economic potential.

Lei et al. (2026) studied this question.

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