Gas hydrates technologies in the joint concept of geoenergy usage Roman Dychkovskyi, Mykola Tabachenko, Ksenia Zhadiaieva, Artur Dyczko and Edgar Cabana E3S Web of Conf., 230 (2021) 01023 Published online: 18 January 2021 DOI: 10.1051/e3sconf/202123001023