US oil services big guns see net earnings rise

Schlumberger and Halliburton boosted by much-improved numbers in the second quarter

Margins: Schlumberger chief executive Paal Kibsgaard

Nassir Shirkhani

London

USA Schlumberger Paal Kibsgaard Halliburton Jeff Miller

Published 26 July 2018, 22:00Updated 25 July 2018, 17:44