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The offshore basins of Uruguay and Southern Brazil have a limited oil and gas exploration history. Since the announcements of light oil discoveries on the conjugate margin of Namibia, this area has become an epicentre of interest for hydrocarbon explorers. The Punta del Este and Pelotas basins are considered underexplored and, as such, possess an elevated risk profile. Identifying analogous, conjugate petroleum system elements is a component in the framework to reduce that risk. Additionally, the calibration and integration of subsurface data in the search for the next hydrocarbon discovery is paramount to a successful wildcat. Here, we highlight the seamless merge and calibration of >25,000 km2 from four separate, vintage 3D seismic volumes into a single volume interpretation tool. This allows interpreters to gain a contiguous and unobstructed view and, therefore, an understanding of the regional geologic framework. When integrated with existing 2D data, the merged volume has permitted an improved understanding of the basin’s evolution, the tectonostratigraphic history and elements of the prospectivity for the region. As oil companies continue to flock to the region looking for the next discovery, advancing tools in the explorer’s toolkit is the key to success.