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An intelligent prediction framework for deep fluid storage potential is proposed by integrating operational monitoring data with reservoir structural features. By introducing machine learning and time−series feature–driven modeling strategies, the proposed workflow enables automated identification of injection pressure evolution patterns and accurate prediction of storage−stage responses. The method combines long−term high−frequency pressure–flow monitoring data with pore–fracture structural information derived from core−scale analysis, and establishes a stage−labeled, phase−wise prediction mechanism to improve model robustness through multi−model comparison and cross−validation. The framework was validated in a deep injection and storage engineering scenario involving highly saline fluids, using an 18−month field dataset with a cumulative injection volume exceeding 1.5 million tonnes. Results demonstrate that the proposed intelligent workflow can effectively distinguish key operational stages, including breakthrough and filling phases, and significantly enhance pressure prediction accuracy, with the best model achieving a MAPE as low as 0.6. The method reduces dependence on complex mechanistic models and large labeled datasets, and shows strong generalization across different operational periods and stage conditions. Owing to its scalability and transferability, the proposed approach provides technical support for intelligent assessment and safe operation of various deep fluid injection and storage projects.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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