Most mom and pop oil companies have already been bought or have gone bankrupt as they were not profitable under $50/barrel. Supermajors will begin to go bankrupt and survival mode at $20-25/barrel. As soon as we see supermajors going under the Saudis will roll back their production in order skyrocket prices. It takes AT LEAST 18-24 months to get new wells and unconventional sites online and that's if the entire ecosystem is operational.