The world´s largest oilfield services company, Schlumberger, recorded a fall down in revenue of 34% (excluding the Cameron Group ), and for the first time in the last 14 years suffered a loss of $1,69 billion comparing to the income of $2,07 billion reached in 2015 and $5,64 billion reached in 2014. According to the Company´s Annual Report in 2016, Schlumberger’s $27,8 billion revenue in 2016 represented a decrease of 22% from 2015...