financially supported by the National Natural Science Foundation of China(Nos.52304129 and 52274130);Natural Science Foundation of Sichuan Province(No.2024NSFSC0971);Guizhou Provincial Basic Research Program(Natural Science)(No.ZK[2023]general 070);Shandong Key Laboratory of Mining Disaster Prevention and Control,Shandong University of Science and Technology(No.SMDPC202403)。
The combination of ultrasonic and acid fracturing fluid can strengthen the modification effect on the micropore structure of the coal matrix,thereby enhancing the efficiency of the acid fracturing process.In this rese...