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This research aims to evaluate and predict the productivity of carbonate gas reservoirs in the HS 4 block.

December 12, 2025Scientific ReportsOpen Access

Productivity prediction, dynamic evaluation and reservoir heterogeneity analysis of HS 4 block carbonate gas reservoir

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This research aims to evaluate and predict the productivity of carbonate gas reservoirs in the HS 4 block.
Established dynamic productivity equations using gas test and production data.
Modified the one-point method for gas reservoir productivity equations.
Constructed a seepage model for fractured-vuggy gas reservoirs.
Performed grey correlation analysis and Pearson method for comprehensive quantification.
Thicker and better physical properties of fractured-vuggy reservoirs increase productivity.
Modified methods effectively predict new drilling productivity.
Pressure losses significantly impact gas well productivity.
Identified strong correlations between geological, engineering, and production factors affecting productivity.

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Dynamic evaluation and productivity prediction in carbonate gas reservoirs suggest new drilling strategies.

Xu et al. (2025) studied this question.

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