https://www.vedomosti.ru/library/news/2004/11/19/gazprom-vvel-v-jexpluataciyu-ety-purovskoe-gazovoe-mestorozhdenie?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=gazprom-vvel-v-jexpluataciyu-ety-purovskoe-gazovoe-mestorozhdenie