The POVOROTNOYE gas field has 61 bcf P50 resource estimate by AWT International.
61000000 MMbtu x $2.4 = $146.4m.
61.2% interest of GDN = $90.9m
Taking off 50% risk (P50 being having better than 50% chance) and further 30% discount on SP,
could GDN be valued at 3.2cps or MC of $32m? ($90.9x50%x70%=$31.8m)