Helge Lund, the former CEO of energy companies Statoil ASA (NYSE: STO) and BG, has become a director of oil services firm Schlumberger Ltd. (NYSE: SLB), the company said on June 9.

Schlumberger denied a Wall Street Journal report that Lund had been appointed the chief executive of the company.

"Paal Kibsgaard remains the chief executive," a spokeswoman for the company told Reuters, adding that Lund had been appointed as a director.