West Africa’s Atlantic margin is entering a period of renewed exploration interest, driven by a combination of promising Cretaceous geology, shifts in company portfolios, and a widening recognition that new barrels will be required to balance future supply. The MSGBC basin has attracted particular attention as its geological potential becomes clearer and as a new generation of international players, most notably Chevron in Guinea-Bissau, signal that frontier opportunities remain firmly on the strategic map. This uptick comes at a moment when…