Wall Street Journal (subscription) | US shale makes 'rapid' return, global oil market on the mend: Schlumberger Fox Business Oil and natural gas producers flooded back to U.S. shale plays after oil prices returned to healthier levels. Energy firms have also managed to cut costs associated with the expensive process of hydraulic fracturing. Schlumberger noted that all of its ... Schlumberger CEO Blames US Investors for Stagnant Oil Prices Schlumberger's solid Q2 fails to boost oil services peers Schlumberger Says US Shale Making 'Rapid' Return as Global Oil Market Revitalized |