Research Article

Influence of Hydrothermal and Pyrolysis Processes on the Transformation of Organic Matter of Dense Low-Permeability Rocks from Domanic Formations of the Romashkino Oil Field

Figure 6

ESR spectra of the initial Berezovskaya (a, c) and Zelenogorskaya (b, d) rocks.
(a)
(b)
(c)
(d)