▁Energy ▁ ▁C AN MA R ▁ ▁S ync ru de ▁ ▁Hon ol ulu ▁O ils ▁ ▁Heritage ▁through ▁Super test ▁Pet role um ▁( 1 9 2 3 - 1 9 9 2 ) ▁▁▁ ▁One ▁major ▁prede cess or ▁of ▁the ▁company ▁traces ▁to ▁the ▁Super test ▁Pet role um ▁Corporation , ▁founded ▁in ▁ 1 9 2 3 ▁and ▁head qu arter ed ▁in ▁London , ▁Ontario . ▁In ▁ 1 9 5 3 , ▁British ▁Pet role um ▁Company ▁( B P ) ▁entered ▁the ▁Canadian ▁market ▁through ▁the ▁purchase ▁of ▁a ▁minor ity ▁st ake ▁in ▁Cal g ary - based ▁Tri ad ▁O il ▁Company . ▁In ▁the ▁early ▁ 1 9 5 0 s , ▁the ▁power ▁struggle ▁between ▁oil ▁companies ▁and ▁host ▁govern ments ▁in ▁Middle ▁East ▁started , ▁which ▁ham per ed ▁operations ▁of ▁ ▁British ▁Pet role um ▁in ▁the ▁region , ▁and ▁prompt ed ▁it ▁to ▁divers ify ▁its ▁operations ▁beyond ▁the ▁heavily ▁Middle ▁East ▁dependent ▁oil ▁production . ▁The ▁Canadian ▁holding ▁company ▁of ▁British ▁Pet role um ▁was ▁renamed ▁B P ▁Canada ▁in ▁ 1 9 6 9 ; ▁and ▁in ▁ 1 9 7 1 , ▁it ▁acquired ▁ 9 7 . 8 % ▁st ake ▁of ▁Super test . ▁Sub sequently , ▁Super test ▁was ▁renamed ▁to ▁B P ▁Canada ▁Ltd , ▁and ▁other ▁Canadian ▁interests ▁of ▁British ▁Pet role um ▁am alg am ated ▁to ▁the ▁new ▁company . ▁ ▁B P ▁ret ail ▁operations ▁disappeared ▁from