▁Canada ▁in ▁the ▁early ▁ 1 9 8 0 s , ▁when ▁in ▁ 1 9 8 2 , ▁B P ▁Canada ▁div ested ▁its ▁down stream ▁assets ▁to ▁Pet ro - Can ada , ▁which ▁was ▁at ▁the ▁time ▁owned ▁by ▁the ▁Government ▁of ▁Canada . ▁In ▁ 1 9 9 2 , ▁British ▁Pet role um ▁sold ▁off ▁its ▁ 5 7 % ▁st ake ▁in ▁B P ▁Canada ▁Ltd ▁to ▁the ▁public , ▁and ▁B P ▁Canada ▁de mer ged ▁into ▁T alis man ▁Energy ▁Inc . ▁ ▁Heritage ▁through ▁Am oco ▁( 1 9 2 6 - present ) ▁ ▁Through ▁the ▁ 1 9 9 8 ▁ac quisition ▁of ▁the ▁global ▁operations ▁of ▁ ▁Am oco ▁( former ly ▁Standard ▁O il ▁of ▁Indiana ) ▁by ▁British ▁Pet role um , ▁B P ▁Canada ▁acquired ▁the ▁assets ▁of ▁former ▁major ▁Canadian ▁oil ▁and ▁gas ▁companies , ▁including ▁D ome ▁Pet role um ▁and ▁Hudson ' s ▁Bay ▁O il ▁and ▁Gas ▁Company . ▁The ▁her itage ▁traces ▁back ▁through ▁a ▁history ▁of ▁joint ▁vent ures , ▁mer gers ▁and ▁ac quis itions ▁to ▁the ▁year ▁ 1 9 2 6 , ▁when ▁the ▁oldest ▁commercial ▁corpor ation ▁in ▁North ▁America , ▁Hudson ' s ▁Bay ▁Company , ▁co - f ounded ▁Hudson ' s ▁Bay ▁O il ▁and ▁Gas ▁Company ▁( H BO G ) ▁with ▁Mar land ▁O il ▁Company . ▁Later , ▁Mar land ▁oil ▁merged ▁with ▁Con oco ▁in ▁ 1 9 2 9 .