Improved Kerogen Models for Determining Thermal Maturity and Hydrocarbon Potential of Shale.

ABSTRACT: Kerogen is the insoluble component of organic-rich shales that controls the type and amount of hydrocarbons generated in conventional and unconventional reservoirs. Significant progress has recently been made in developing structural models of kerogen. However, there is still a large gap in understanding the evolution of the molecular components of kerogen with thermal maturation and their hydrocarbon (HC) generative potential. Here, we determine the variations in different molecular fragments of kerogen from a Marcellus Shale maturity series (with VRo ranging from 0.8 to 3) using quantitative ¹³C MultiCP/MAS NMR and MultiCP NMR/DD (dipolar dephasing). These molecular variations provide insight into the (1) evolution of the molecular structure of kerogen with increasing thermal

SUBMITTER: Agrawal V 

PROVIDER: S-EPMC6269451 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature