CBC.ca | Nexen pipeline spills oil emulsion in northern Alberta - BNN News bnn.ca A pipeline owned by Nexen Energy ULC has spilled about 31,500 barrels of oil “emulsion” in northern Alberta, the province's energy watchdog says. The Alberta Energy Regulator said late on Thursday that it was responding to a pipeline rupture about 36 ... Cnooc Canada Unit Nexen Reports Pipeline Spill in Oil Sands - Bloomberg Business Nexen pipeline leaks 31,500 bbls of emulsion at oil sands site | Energy & Oil ... |