Strong demand growth and an extended OPEC-led effort to balance the market suggests 2018 will be good for drilling services, Schlumberger’s head said Friday. Schlumberger is the world’s largest oilfield services company and was among those that encountered headwinds two years ago when the price of crude oil dropped below $30 per barrel. The company’s first quarter 2017 revenue of $6.9 billion was down 3 percent compared to the previous term, but up 6 percent from first quarter 2016. For the three months ending Dec. 31, Schlumberger said its revenue of $8.1 billion was up 3 percent from the previous term and 15 percent higher than the same period in 2016. The price for Brent crude oil last […]