The ARA Patagonia (B-1) is a multi-product replenishment oiler of the Durance class in service in the Argentine Navy. She was the lead ship of her class serving in the French Navy as Durance (A629) from 1977 to 1999. She is capable of supplying other ships with both RAS (Replenishment at Sea) and VERTREP (VERTical REPlenishment) methods.