Proppant embedment in hydraulic fracturing can reduce remarkably the fracture width and thus damage the fracture conductivity. This paper describes a study of the proppant embedment mechanism. Two groups of experiments were carried out. A proppant embedment mechanism was proposed. An analysis showed that proppant embedment is not an elastic process but could be a plastic or even failure process depending on the surface microstructure of the formation core.
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Acknowledgments
We thank the National Natural Science Foundation of China (No. 51374178) and the Young Scholars Development Fund of SWPU (201599010084).
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 2, pp. 53 – 56, March – April, 2018.
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Liu, Y., Guo, J. & Lu, C. Experimental Analysis of Proppant Embedment Mechanism. Chem Technol Fuels Oils 54, 204–210 (2018). https://doi.org/10.1007/s10553-018-0915-x
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DOI: https://doi.org/10.1007/s10553-018-0915-x