#13

X currently is one of the largest producers of Y. X is involved in Nord stream and south stream projects.X became sponsor of venezuelan football club Deportivo Táchira.X is associated with places such as shtokman , yamal, kovykta, Medvezhe, Urengoy and Yamburg. Y is created by two mechanisms: biogenic and thermogenic.Y is typically stored in salt domes. Identify X and its product Y which is one of the most important requirements to the world right now.