Synthesized a kind of polyacrylamide konjac gum double network gel system, and studied the possibility of replacing mechanical bridge plug with this system. Studied the effects of covalent bond cross-linking, ionic bond cross-linking and monomer ratio on the mechanical properties of gel, including the stress-strain curve, elastic modulus, critical stretch and fracture energy. And conducted indoor simulation wellbore sealing experiments. The results show that the double network gel has higher strength than the single network gel, and the plugging ability of the well bore is greatly improved, which is expected to replace the mechanical bridge plug in construction.
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 1, pp. 89–92, January–February, 2024.
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Ye, Z., Liu, T., Xiao, B. et al. Preparation of Polyacrylamide Konjac Gum Double Network Gel Liquid Bridge Plug. Chem Technol Fuels Oils 60, 113–118 (2024). https://doi.org/10.1007/s10553-024-01662-5
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DOI: https://doi.org/10.1007/s10553-024-01662-5