They don't have to worry from their perspective. If oil falls that low our boom will be over. The tight fields like shale are expensive and have a rapid decline rate. If we reach $50 we won't stay there long.
PEAK OIL, PEAK OIL....let’s just let the market decide the supply/demand equations on energy.
They tell me that they have to have about 68 bucks a barrel to stay on top. But, once pumping is started, many wells cant be shut down because they lose the well due to pressure reduction. Oh they can shut them down for a couple days, but after that, they have to get them going again.