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Assessment Of Thermal Maturity Trends In Devonian–Mississippian Source Rocks Using Raman Spectroscopy: Limitations Of Peak-Fitting Method, Jason S. Lupoi, Luke P. Fritz, Thomas M. Parris, Paul C. Hackley, Logan Solotky, Courtland F. Eble, Steve Schlaegle
Assessment Of Thermal Maturity Trends In Devonian–Mississippian Source Rocks Using Raman Spectroscopy: Limitations Of Peak-Fitting Method, Jason S. Lupoi, Luke P. Fritz, Thomas M. Parris, Paul C. Hackley, Logan Solotky, Courtland F. Eble, Steve Schlaegle
Faculty, Staff, and Affiliated Publications--KGS
The thermal maturity of shale is often measured by vitrinite reflectance (VRo). VRo measurements for the Devonian–Mississippian black shale source rocks evaluated herein predicted thermal immaturity in areas where associated reservoir rocks are oil-producing. This limitation of the VRo method led to the current evaluation of Raman spectroscopy as a suitable alternative for developing correlations between thermal maturity and Raman spectra. In this study, Raman spectra of Devonian–Mississippian black shale source rocks were regressed against measured VRo or sample-depth. Attempts were made to develop quantitative correlations of thermal maturity. Using sample-depth as a proxy for thermal maturity is not without …