https://www.iareporter.com/articles/nigeria-is-facing-treaty-based-arbitration-as-it-alleges-corruption-in-deep-water-oil-exploration-dispute-while-claimants-seek-discovery-from-us-based-litigation-funders/ (requires subscription)
https://globalarbitrationreview.com/bribery-and-corruption/eni-brings-icsid-case-over-nigeria-corruption-claims (requires subscription)
https://www.reuters.com/article/us-eni-nigeria/eni-seeks-world-bank-arbitration-in-nigeria-oilfield-dispute-idUSKBN26Y1U1