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Reliable estimation of hydrocarbon feedstock reserves is based on determining the reservoir's fluid recoverability, which is done by laboratory studying the microscopic structure of the core samples. Impulse nuclear magnetic resonance relaxometery (NMR) is one of the most perspective methods for studying petrophysical properties of rocks. We developed a portable NMR relaxometer, which can be used both in the laboratory and in the field while drilling. NMR analysis of the drill mud can be done directly on the well ...

Both complicated dissolution processes and different patterns of fossils? distribution may be expected in carbonate hydrocarbon reservoirs. Therefore, this paper aims to precisely locate such places using few independent analytical tools. Five carbonate samples from the Permian Bro?sko Reef (Western Poland) were studied in a form of both thin sections and cylindrical core samples. The latter were subjected to Computed Microtomography (?CT) and Nuclear Magnetic Resonance (NMR) experiments. While the ?CT helped to p...