From 1977 , Texaco became the majority owner ( 62.5 % ) until it transferred ownership back to the Ecuadorean state in 1992 , maintaining a 37.5 % ownership .
In 1964 , Texaco was also invited .
From 1977 , Texaco became the majority owner ( 62.5 % ) until Texaco transferred ownership back to the Ecuadorean state in 1992 , maintaining a 37.5 % ownership .
In 1964 , Texaco was also invited .