ExxonMobil partners commit $1 billion to Nigeria's Usan infill project

ExxonMobil and its partners will invest about $1 billion in the Usan Infill Project offshore Nigeria, with the development expected to add roughly 40,000 barrels a day of production.

The Nigerian Upstream Petroleum Regulatory Commission said the programme represents a return to drilling by Exxon affiliate Esso Exploration and Production Nigeria, whose previous drilling campaign in the country dated to 2016.

Extending output from an existing field

Infill projects add wells and related work around producing assets to recover reserves that existing wells cannot reach efficiently. They can generally move faster than a new greenfield development because major offshore infrastructure is already in place.

The production estimate is a project target, not current output. Delivery will depend on drilling performance, contractor execution and the natural decline of existing wells. The investment nevertheless gives Nigeria a near-term route to add barrels while larger discoveries move through longer approval cycles.

Sources

Nigerian Upstream Petroleum Regulatory Commission announcement; Reuters, “ExxonMobil and partners to invest $1 billion in Nigeria's oilfield, regulator says” (8 July 2026).