Nigeria's Oil Output Plummets 20.8% Amid Declining Yields at Legacy Fields

Nigeria's oil output has been declining due to spending on offshore drilling projects that have failed to yield results, according to new data from the Nigerian Upstream Petroleum Regulatory Commission (NUPRC).

Despite investing billions of dollars in these projects, which can cost anywhere between $50 million and $150 million per exploration well, Nigeria's crude output has plummeted 20.8% year-on-year to just 10,930 barrels per day (bpd) in June 2026.

The decline is attributed to the predictable lifecycle pressure on legacy assets, with operators like Renaissance Energy and Eni noting that recovery measures and compressor upgrades are underway to address the issue.

However, the broader decline across core producing states in the Niger Delta highlights a persistent structural problem: discovered reserves are not being developed fast enough to replace depleted wells.