▁and ▁between ▁ 1 8 . 4 ▁and ▁ 2 5 ▁billion ▁cub ic ▁meters ▁of ▁gas ▁res erves . ▁It ▁contains ▁oil ▁and ▁gas ▁cond ens ate ▁in ▁sand stone ▁and ▁sand y ▁s ilt stone ▁of ▁the ▁P li oc ene ▁Product ive ▁Series . ▁The ▁res er voir ▁rocks ▁have ▁por os ities ▁of ▁ 1 3 - 1 8 % ▁and ▁per me abilities ▁of ▁ 4 5 - 2 5 0 ▁m D . ▁Bi om ark er ▁ge och em ical ▁anal ys es ▁of ▁on sh ore ▁and ▁off sh ore ▁fields ▁indicate ▁that ▁the ▁P li oc ene ▁oil ▁and ▁gas ▁fields ▁in ▁South ▁C asp ian ▁Bas in ▁had ▁been ▁mainly ▁charged ▁from ▁ep igen etic ▁hydro car b ons . ▁ ▁See ▁also ▁ ▁G um ▁Den iz ▁oil field ▁A zer i - Ch i rag - G unes h li ▁B aku – T bil isi – C ey han ▁pipeline ▁Sang ach al ▁Terminal ▁B aku - Su ps a ▁pipeline ▁N ab u cco ▁pipeline ▁B aku - N ovo ▁F ily a ▁gas ▁pipeline ▁ ▁References ▁ ▁Category : O il ▁fields ▁of ▁A zer ba ij an ▁Category : O il ▁fields ▁of ▁the ▁Soviet ▁Union ▁Category : C asp ian ▁Sea <0x0A> </s> ▁Dum it ru ▁Vel ic u ▁( 2 6 ▁October ▁ 1 9 3 0 ▁– ▁ 1 9 9 7 ) ▁was ▁a ▁Roman ian ▁e quest rian ▁and ▁Olympic ▁medal ist