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The in-stage multi-cluster fracturing technology in horizontal wells is a key method for the efficient development of unconventional oil and gas. Due to the influence of reservoir heterogeneity, non-uniform perforation erosion, and fluid competition, the in-stage multiple perforation clusters cannot initiate simultaneously and propagate evenly in Mahu conglomerate Jinlong 2 well block reservoirs. The perforations with the excessive fluid intake can be plugged by injecting the ball-shaped or knot-shaped diverters. The sand carrier fluids can be dynamically distributed. In this way, the fracturing stage can be evenly stimulated and the reservoir productivity can be fully excavated. It is of great value to judge the temporary plugging effect accurately and timely. In this way, the operation scheme can be adjusted and the stimulation effect can be improved. The perforation plugging, the fracture initiation, and the fracture propagation were completely considered by integrating the three methods of diverter in-place pressurization, same displacement pressure boost, and curve superposition. The comprehensive discrimination method of the in-stage multi-cluster temporary plugging effect was generated and the supporting software was compiled to realize online monitoring and discrimination. The method demonstrates more than 85% consistent with the monitoring results of optical fiber and hawk-eye, which provides method and theoretical support for the upgrade and popularization of the temporary plugging technology.
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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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