Chevron is set to explore for oil and gas offshore Guinea-Bissau in two blocks in the MSGBC basin.
The company made this known in a statement on Monday, November 3, 2025.
The Mauritania, Senegal, Gambia, Bissau and Conakry (MSGBC) basin is a geological region in West Africa that has become a major focus for the oil and gas sector following major recent discoveries.
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“Chevron is happy to begin a new chapter with Guinea-Bissau, in alignment with our exploration strategy of adding high-quality acreage to our global portfolio,” said Chevron’s vice president for exploration, Liz Schwarze.
Chevron’s local unit will be the operator of Blocks 5B and 6B with a 90% working interest in both, while Petroguin, Guinea-Bissau’s national oil company, holds the remainder.
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