Environmentally-efficient approaches to oil and gas producing sitesMykhailo Liakh, Teodoziia Yatsyshyn, Svitlana Gavryliv, Yuriy Gavryliv, Lesia Shkitsa, Katarina Monkova, Peter Pavol Monka and Vasyl-Danylo LiakhE3S Web Conf., 280 (2021) 09002DOI: https://doi.org/10.1051/e3sconf/202128009002