Libya's National Oil Corporation (NOC) has opened its first international headquarters in Houston.

The office is planning to lead a $60bn procurement drive to upgrade Libya’s oil and gas sector and increase production capacity to 2.1m barrels per day by 2023.

NOC chairman Mustafa Sanalla said: “This is NOC’s first international office – a major milestone in our journey as an NOC responsible for Africa’s largest proven oil reserves.