“…This gas is com monly found as so ci ated with sul phate and car bon ate rock units form ing sour nat u ral gas res er voirs (Worden and Smalley, 1996;Aali and Rahmani, 2012;Liu et al, 2014;Bilkiewicz and Kowalski, 2020;Kotarba et al, 2020;Torghabeh et al, 2021;Cheng et al, 2022). Be sides its oc currence in these nat u ral gas res er voirs, the or i gin, mi gra tion and ac cu mu la tion of H 2 S has been also stud ied in con nec tion with coal seams (Liu et al, 2012;Deng et al, 2014;Tan et al, 2020;Xie et al, 2021), pe tro leum fields (Kotarba et al, 2017b) and the ex plo ra tion, de sign and op er a tion of geo ther mal fa cil i ties (D'Amo re et al, 1990;Mayrhofer et al, 2014;Jácome Paz et al, 2022).…”