Construction of the Athabasca Pipeline, 1998. Source: Oil and Gas Journal, 26 April 1999, p. 61. For the third time in the past month a major pipeline rupture has spilled oil in the province of Alberta. According to the province’s regulator, the Energy Resources Conservation Board, an estimated 1,450 barrels of heavy crude oil (~230 cubic metres) leaked from a pumping station along Enbridge’s Athabasca Pipeline, a 541 kilometre pipeline that transports up to 345,000 barrels of oil per day. The …  »