https://phys.org/news/2018-05-complicated-history-pipelines-canada.html

Unease over the environmental effects of pipeline construction and operation have grown from primarily local concerns, led by communities of settlers and Indigenous peoples along pipeline routes, to global concerns about climate change and international environmental policy.

Oil companies have built pipelines in Canada to move petroleum since 1862. But the construction and operation of major long-distance oil and gas pipelines that cross interprovincial and international borders did not commence until the mid-20th century, following the discovery of enormous volumes of crude oil and natural gas near Leduc, Alta., just south of Edmonton.