David Desharnais scored at 18:15 of overtime to give the Oilers a 4-3 win over the Sharks in Game Five of their first-round series in Edmonton. Oscar Klefbom tied the game at three for the Oilers late in the third.
Edmonton now holds a 3-2 lead in the best-of-seven series.
Mikkel Boedker, Patrick Marleau and David Schlemko scored for San Jose, which blew a 3-1 lead. The Sharks host Game Six tomorrow.