Vox | Oil prices crashed, but US output is still rising. How long can that last? Vox When oil prices were soaring during the mid-2000s, energy companies found it highly profitable to use fracking, horizontal drilling, and other techniques to extract oil from shale formations in places like Texas and North Dakota. The result: a glut of ... 5 Reasons Oil Prices Could Plunge US oil drillers scrambling to thwart OPEC threat Crazy world of oil fall theories where studying the problem can alter its outcome |