Nigeria is an established oil producer grappling with declining market share and dimming economic prospects – but it could reverse its fortunes if authorities take a proactive approach to exploration and export, namely for natural gas.

The country has the second-largest proven oil reserves in...

ExxonMobil’s recent discovery in Block 15 off Angola in the Bavuca South prospect adds further credence to the notion of Africa as a significant contender in future energy markets. The discovery, the company’s first in the region since 2003, lies approximately 365km to the northwest...