This investigation involves the core samples and oil samples from the Tyler Formation in the Williston basin, North Dakota. The REE proved to be a very powerful tool for tracing oil migration and determining the paleoenvironments when both oil and sediment samples are examined. Different lithologies: shale, limestone, interbedded shale and limestone and sandstone all contributed as source rocks for Tyler oil. The kinetics has confirmed the existence of four kerogen types and indicated that even type I can generate oil in the Tyler Formation.
Geochemical Evaluation of the Tyler Formation, North Dakota using Rare Earth Elements (REE) and Kinetics
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Stevanovic, Ivana M., Patrick, Doreena , and Richard Stockton. "Geochemical Evaluation of the Tyler Formation, North Dakota using Rare Earth Elements (REE) and Kinetics." Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, Denver, Colorado, USA, August 2014. doi: https://doi.org/10.15530/URTEC-2014-1922315
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