The net profit of the American oil and gas company, Schlumberger, was $2.138 billion compared to a loss of $1.555 billion in 2017. Revenue increased by 8% to $32.815 billion. Net diluted earnings per share were $1.53 against a loss of $1.08 in 2017. Schlumberger ended the fourth quarter with a profit of $538 million against a loss of $2,255 during the 2017 earnings period. Diluted earnings per share in the last quarter of 2018 were $0.39 against a loss of $1.63 in 2017. Quarterly revenue increased by 0.01% in the fourth quarter of 2018. In the last quarter of 2018, the company noted a 1% increase in revenue from sales in Europe, CIS and Africa. Revenue growth in Asia and the Middle East was 2%. At the same time, work in North America brought Schlumberger revenue cut by 12%. Schlumberger has maintained stable international activity, despite price hikes in the oil market. The contracts in Asia and the Middle East brought the company high returns, which offset the weakening of activity in Russia.