Russian independent Novatek regained its position as the nation's second largest domestic gas producer to state monopoly Gazprom in May, following a set of urgent measures to stabilise output at its maturing fields in the Yamal-Nenets region and several acquisitions of smaller gas producers that were completed in the last half a year.

According to preliminary data from the government energy statistics agency CDU TEK, Novatek produced almost 3.7