The world’s three largest oil services firms all reported record Mideast revenue for 2015. But leaner times lie ahead.

Houston-based Schlumberger announced record revenue in the Middle East and Asia of $3.1bn in the fourth quarter of 2014. This was mainly “driven by record revenue in Saudi Arabia and Bahrain and robust activity in Kuwait and the UAE,” the firm says. The region accounts for just under a quarter of Schlumberger’s overall revenue. (CONTINUED - 726 WORDS)