Quantitative characterisation of storage space and oil occurrence in low-maturity organic-rich shales: a case study of 3rd member of Chang 7 formation on the Southern Margin of Ordos Basin, China

Key Points

• To quantitatively characterize the storage space and oil occurrence in the low-maturity organic-rich shales of the Chang 7 formation.
• Investigated the geological characteristics of the 3rd member of the Chang 7 formation
• Analyzed storage capacities and oil content within the shale samples
• Employed quantitative techniques for precise measurements
• Identified significant oil occurrence in low-maturity organic-rich shales
• Measured various storage capacities, revealing the potential for resource extraction
• Demonstrated the geological implications for future exploration in the Ordos Basin