Organic Petrography
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Discovery Group Home > Petrophysical & Geological Services > Organic Petrography

An accurate picture of thermal maturity of a source rock is crucial for understanding and exploring for both conventional and unconventional resources. The industry standard for evaluating thermal maturity is vitrinite reflectance analysis, a technique that requires both specialized equipment and technical expertise. The Discovery Group is one of the few organizations that has these capabilities. We have complete sample preparation facilities in-house, two high-quality microscopes devoted solely to measuring vitrinite reflectance, and several trained organic petrographers on staff. We primarily study regional-scale thermal maturity questions by examining coal or coaly material, but we can also analyze maceral reflectance and fluorescence in shale.



Vitrinite reflectance histogram for coaly material in the J-sandstone of the DJ Basin.




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