Saudi Arabia has made it abundantly clear that the latest shake-up in the top echelons of its energy sector will not shift its commitment to supply curbs, writes Nassir Shirkhani.

The country's new Energy Minister Prince Abdulaziz bin Salman went out of his way at the World Energy Council event in Abu Dhabi this week to hammer home the message, emphasising the need for continued, coordinated cuts between Opec members and non-members such as Russia.