Abstract
In order to optimize the proportion of proppant with different particle sizes in active water fracturing of coalbed methane wells, a large-scale visual parallel plate fracturing proppant migration simulation device is used to test the migration and placement patterns of proppant with different particle sizes and their combinations, and the change law of migration and placement patterns of proppant with particle sizes and proportions is mastered, and the optimal proportion of different proppant combinations is found, The research results have important guiding significance for the design of active hydraulic fracturing in coalbed methane wells. The experimental results show that the smallparticle size proppant is easy to move, and the large particle size proppant is easy to settle in the middle of the fracture and near the well fracture. The fracture can be well filled by the combination of small particle size in the early stage and large particle size in the later stage; When 20 /40 mesh proppant is more than 1/2, the increase of sand dike height is no longer obvious, so the proportion of 20/40 mesh proppant can be controlled to 1/2, and then the small particle size proppant can be selected according to the crack length.
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This paper was prepared for presentation at the 2022 International Field Exploration and Development Conference in Xi’an, China, 16–18 November 2022.
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Zhang, Y., Xie, Wy., Zhang, Yl., Qu, Fj., Wang, X., Lian, Xh. (2023). Experimental Study on Migration and Placement Morphology of Proppant Combinations with Different Particle Sizes in Active Water Fracturing. In: Lin, J. (eds) Proceedings of the International Field Exploration and Development Conference 2022. IFEDC 2022. Springer Series in Geomechanics and Geoengineering. Springer, Singapore. https://doi.org/10.1007/978-981-99-1964-2_580
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DOI: https://doi.org/10.1007/978-981-99-1964-2_580
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