# Tag: Guiana

- [Equatorial Margin: Production Sharing or Concessions?](https://brazilstockguide.com/behind-the-lines/equatorial-margin-production-sharing-or-concessions/) (2026-09-07): The more promising Brazil’s newest oil frontier looks, the harder it becomes to decide how much exploration risk still needs to be rewarded and how much of the upside should remain with the country.