Gazprom said it has discovered more than 500 billion cu m of natural gas in two fields offshore the Yamal Peninsula in the Russian Arctic.
It said authorities have approved its estimate of C1+C2 (explored and estimated) reserves for Dinkov field on the Rusanovsky block of 390.7 billion cu m.
Its estimate of C1+C2 reserves for Nyarmeyskoye field on the Nyarmeysky block is 120.8 billion cu m.
Since acquiring the blocks in 2013, Gazprom has acquired 5,790 sq km of 3D seismic data. It drilled two exploratory wells last year.