All the attached data are the part of the submitted manuscript and contain petroleum geochemistry and 3D seismic data of Boulby oil, including all biomarker ratios, carbon isotopic analyses of saturated and aromatic fractions, 3D seismic interpretations, and regional geology data.THIS DATASET IS ARCHIVED AT DANS/EASY, BUT NOT ACCESSIBLE HERE. TO VIEW A LIST OF FILES AND ACCESS THE FILES IN THIS DATASET CLICK ON THE DOI-LINK ABOV