0 8 ▁and ▁ 2 0 1 2 , ▁ 7 6 ▁expl oration ▁well s ▁were ▁completed ▁of ▁which ▁ 6 2 ▁have ▁resulted ▁in ▁discover ies . ▁This ▁led ▁to ▁an ▁increase ▁of ▁the ▁previous ▁estimates ▁from ▁ 3 2 4 ▁million ▁to ▁ 7 4 4 ▁million ▁bar rel s ▁of ▁oil ▁and ▁ ▁to ▁ ▁of ▁natural ▁gas ▁res erves . ▁In ▁ 2 0 1 3 , ▁a ▁second ▁expl oration ▁permit ▁was ▁awarded ▁to ▁C NO DC ▁with ▁the ▁res erves ▁now ▁estimated ▁as ▁high ▁as ▁ 1 ▁billion ▁bar rel s . ▁Since ▁ 2 0 1 2 , ▁expl oration ▁has ▁intens ified ▁with ▁production - sh aring ▁contract s ▁signed ▁with ▁international ▁fir ms ▁from ▁Niger ia , ▁Australia , ▁UK ▁and ▁B erm uda . ▁In ▁addition ▁to ▁the ▁Ag adem ▁block , ▁the ▁Ten ere ▁block , ▁lic ensed ▁to ▁C N PC , ▁has ▁potential ▁res erves ▁near ▁ 1 ▁to ▁ 3 ▁billion ▁bar rel s ▁of ▁resources . ▁ ▁Pet role um ▁production ▁ ▁O il ▁is ▁presently ▁extracted ▁from ▁the ▁Ag adem ▁field ▁and ▁transport ed ▁through ▁an ▁under ground ▁ ▁long ▁pipeline ▁to ▁the ▁ 2 0 , 0 0 0 ▁bar rel ▁per ▁day ▁ref in ery ▁in ▁Z inder . ▁While ▁the ▁intended ▁extra ction ▁aim ed ▁for ▁ 2 0 , 0 0 0 ▁bar rel s ▁per ▁day , ▁by ▁mid - 2 0 1 2 , ▁only ▁ 1 0 , 0