AER

The cost of looking after hundreds of wells, pipelines and other oilfield gear left behind by bankrupt Lexin Resources Ltd. has exceeded $2 million and the bills continue to roll in, says Alberta's Orphan Well Association.

The Alberta Energy Regulator has laid five charges against Nexen Energy for a pipeline spill two years ago that was one of the largest in provincial history.

Surface water collected near four fissures in the ground continues to show an oily sheen.

​The Alberta Energy Regulator has introduced new rules that it says will ultimately remove unsightly and toxic tailings ponds from the oilsands mining region of northeastern Alberta.

Pipelines and other energy infrastructure will be rated based on risk: "That's going to take us a little bit of time."