Will keep falling until the Arab oil producers say, "When". That'll
be when they've assured themselves that the U.S. is no longer a threat with real petroleum independence. Once that guarantee is in the price per bbl will stabilize. Have no idea when that'll occur but you can bet the oil sands, fracking, oil shale will be practically shut down. So long as they have $11+/- bbl wellhead cost everybody else is just dreaming. Meanwhile the American consumer will continue to reap the benefits at the pump. Plus Saudis love to tweak the Iranians whenever possible cause falling prices hurt them plus anybody else backing ISIS. There's allot more geo-political crap in play here than merely economics of supply v demand.