Chevron has won a dispute with Exxon Mobil regarding Hess Corporation's oil assets in Guyana. This victory removes a significant obstacle to Chevron's planned acquisition of Hess. The dispute centered around pre-emption rights related to the Guyana offshore oil fields, a key asset for Hess. Chevron's successful navigation of this challenge strengthens its position in the lucrative Guyana oil region and paves the way for the Hess deal to proceed, potentially reshaping the energy landscape.