ESR assessment of kerogen maturation and its relation with petroleum genesis |
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| Authors: | M Y Bakr M Akiyama Y Sanada |
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| Abstract: | Petroleum hydrocarbons are formed by breakdown of kerogen preserved in source rocks throughout the process of catagenesis. This process is accompanied by free radical generation in kerogen. The availability of measuring free radicals in kerogen using ESR to deduce a maturation estimation of potential source rocks has been hindered due to the presence of the solvent-extractable organic molecules (SEOM) trapped within the kerogen matrix. Spin concentration (Ns) of the kerogen treated with pyridine (KPy) represents the paramagnetic centers of the kerogen matrix itself and provides a potential parameter to evaluate kerogen maturation. |
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| Keywords: | Kerogen maturation kerogen matrix mobile molecules free radicals ESR spectra |
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