Comments on: PwC: International investment in US shale plays surge, drive M&A activity /pwc-international-investment-in-us-shale-plays-surge-drive-ma-activity-12277 Get the latest oil drilling news with Èý•NÌåÓý Tue, 13 Dec 2011 21:38:04 +0000 hourly 1 https://wordpress.org/?v=6.1.1