Schlumberger, the world's biggest oilfield services company, issued their third quarter update yesterday. It was a mixed bag, with some good news and some not-so-good news. Like Halliburton, their chief rival, Schlumberger turned a profit in 3Q16 (see Halliburton 3Q16 Earnings Surprise: Turns a Profit!). Halliburton made a measly $7 million in 3Q16, while Schlumberger