Abstract
The mechanical properties of conventional simulated cement target is very different from coal-bed methane. However, if large size coal rock is directly used for the ground test of multi-pulse fracturing, the coal rock will be completely broken and the formation state of multiple fractures cannot be observed. We studied and designed the simulation test method of CBM coal rock coated with cement target. It mainly includes coal rock coal sample, coated cement layer, multi-pulse test device and test system, etc. The formation state of multiple cracks in coal rock can be obviously observed by firing range test, and P-T curve can be measured. It provides a new experimental method for the study of multi-pulse fracturing mechanism of low permeability coal-bed methane.
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Wu, Jj., Liu, J., Duan, Jr., Zhang, Rj., Wang, K. (2023). Study on Ground Simulation Test Design Method for Multi-pulse Fracturing of Coal-Bed Methane. In: Lin, J. (eds) Proceedings of the 2022 International Petroleum and Petrochemical Technology Conference. IPPTC 2022. Springer, Singapore. https://doi.org/10.1007/978-981-99-2649-7_9
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