Services giants ride high on North American wave

Schlumberger and Halliburton both see sales and revenues lift in quarter as demand holds up in US

Cash flow: Halliburton has seen sales increase in the US, which has been echoed by rival services giant Schlumberger
Cash flow: Halliburton has seen sales increase in the US, which has been echoed by rival services giant Schlumberger
Published 26 April 2018, 23:00Updated 25 April 2018, 19:14