CNBC | The number that will keep the shale under siege CNBC Shale producers may not snap back quite as fast as hoped if oil prices stay in the $30-per-barrel range for much longer. Energy drillers say the U.S. is finally beginning to see real declines in production, and the longer prices stay low, the longer it ... Oil industry tormented by latest price slump WTI Crude Oil Price Forecast: Saudi Denies Production Cap & Price Falls |