Unconventional technology for sealing and P&A of wells for prevention of global environmental disastersSumbat Zakirov, Dmitry Klimov, Ernest Zakirov, Ilya Indrupskiy and Daniil AnikeevE3S Web Conf., 258 (2021) 08019DOI: https://doi.org/10.1051/e3sconf/202125808019