# Tag: BP Santos Basin

- [Shell Buys Half of BP’s Brazil Pre-Salt Bet With 4.2 Billion-Barrel Potential](https://brazilstockguide.com/insights/shell-bp-tupinamba-brazil-pre-salt-4-2-billion-barrels/) (2026-09-02): Tupinambá has yet to produce a barrel. Shell is taking a 50% stake in the ultra-deepwater prospect, sharing the risk of BP’s bet on Brazil’s pre-salt.