Cenovus will replace CEO Brian Ferguson, who championed an unpopular purchase of western Canadian oil sands assets from ConocoPhillips, though it failed to name a successor.

Africa-focused oil company Tullow Oil Plc said it had appointed Les Wood as its finance head, after its CFO Ian Springett stepped down due to ill health.

Bolivian President Evo Morales said the government had dismissed the president of state oil company YPFB, citing an allegedly flawed $149 million contract to purchase drilling equipment.

Named to succeed Jac Nasser as BHP chairman from Sept. 1, MacKenzie's early challenge will be to deal with calls for a revamp at the world's biggest miner from activist shareholders.

When BP oss Bob Dudley clinched a final deal to settle litigation over the deadly Deepwater Horizon disaster, many oil industry executives and investors thought his mission was accomplished.

Brazilian state-run oil company Petrobras said an employee of a service provider for Odebrecht Óleo e Gas died after injuries sustained in an explosion on the NS 32 drillship, according to a statement on June 9.

Sharara had been producing nearly 270,000 bbl/d before employees went on strike on June 7 over a lack of medical treatment for a colleague who died in a swimming pool accident at the field.

About 150 oil platform workers would go on strike, potentially disrupting output from several Norwegian fields, if they fail to get a pay deal by midnight June 9, their union said on June 6.

Lederne, the smallest of the three Norwegian unions representing oil industry workers, said the strike would target platforms at Eni’s Goliat, Shell’s Draugen and Statoil’s Kvitebjoern, Oseberg East and Gudrun fields.

GE Oil & Gas boss Lorenzo Simonelli will head the new Baker Hughes as president and CEO. Martin Craighead, currently chairman and CEO at Baker Hughes, will serve as the board's vice chairman.

New DNV GL executive Cuoco boasts expertise in data science, change and risk management.  

While a poll revealed employee headcount will remain stable over the next year, oil and gas companies must assess leadership styles and bear in mind the desires of millennials joining their ranks.

John Ravensbergen joined NCS as engineering manager in 2011 and has been vice president of R&D since 2012. Prior to joining NCS, he was an engineering manager for Baker Hughes Inc. and for BJ Services.