▁in ▁ 2 0 0 0 . ▁ ▁Western ▁Ref ining ▁purchased ▁a ▁pipeline ▁system ▁from ▁Che v ron ▁capable ▁of ▁deliver ing ▁ 1 1 5 , 0 0 0 ▁bar rel s ▁of ▁cru de ▁oil ▁per ▁day . ▁ ▁In ▁ 2 0 0 6 ▁it ▁became ▁a ▁public ly ▁trad ed ▁company ▁on ▁the ▁New ▁York ▁Stock ▁Exchange . ▁ ▁In ▁August ▁ 2 8 , ▁ 2 0 0 6 , ▁Western ▁Ref ining ▁bought ▁Gi ant ▁Indust ries ▁( G I ) ▁for ▁$ 1 . 2 3 ▁billion ▁in ▁c ash , ▁creating ▁the ▁fourth - larg est ▁public ly ▁trad ed ▁independent ▁oil ▁ref iner ▁in ▁the ▁USA . ▁ ▁The ▁combined ▁company ▁created ▁the ▁capacity ▁to ▁handle ▁about ▁ 2 1 6 , 0 0 0 ▁bar rel s ▁a ▁day ▁from ▁four ▁ref iner ies , ▁about ▁ 8 4 % ▁more ▁than ▁Western ' s ▁current ▁capacity ▁at ▁the ▁time . ▁ ▁In ▁November ▁ 1 2 , ▁ 2 0 1 3 , ▁Western ▁acquired ▁A CON ▁In vest ments ▁and ▁T PG ’ s ▁ownership ▁interests ▁in ▁Northern ▁Tier ▁Energy ▁LP ( NT I ) ▁for ▁$ 7 7 5 ▁million . ▁ ▁This ▁ac quisition ▁included ▁the ▁St . ▁Paul ▁Park ▁Re fin ery ▁which ▁increased ▁Western ’ s ▁ref ining ▁bar rel ▁capacity ▁by ▁ 8 9 , 5 0 0 ▁bar rel s ▁per ▁day . ▁It ▁also ▁acquired ▁pipeline ▁access ▁to ▁Bak ken ▁and ▁Canadian ▁cru