Comments on: Clay Williams: Steeper decline curves and growing demand make this downturn different from the 1980s /clay-williams-steeper-decline-curves-and-growing-demand-make-this-downturn-different-from-the-1980s-37647 Get the latest oil drilling news with Èý•NÌåÓý Tue, 10 Nov 2015 21:43:21 +0000 hourly 1 https://wordpress.org/?v=6.1.1