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Utilising drill-cuttings is gaining an increasing importance for exploratory projects related to energy transition as core coverages are often non-existent or limited to few meters per well, while the cuttings coverage is relatively larger and regular. This paper presents lessons learnt from two case studies utilising a total of 680 “historical” drill-cuttings and other existing datasets to characterise formations hosting geothermal resource potential. In both cases, data collected from cuttings are carefully integrated with other disciplines namely wireline logs and seismic interpretation. The combined information helped in reducing uncertainties on constructing depositional environment maps and providing preliminary reservoir properties required for calibration and initial modelling. The described workflows have the potential for successful deployment in other exploration projects.