The increasing complexity of collectors developed makes new demands on geological samples investigation methods. A breakthrough in high-performance calculations for multi-physical processesmade it possible to perform digital core analysis based on microanalysis and X-ray computed tomography allowing the study of the volume distribution of density inhomogeneties, physico-chemical and petrophysical properties of rocks. Data obtained by such methods can be used for quality control, laboratory research optimization, reservoir properties description of formation based on sludge and unconsolidated cores, characterization of cracks, cavities, the matrix porosity, distribution of salts in carbonates of Eastern Siberia, upscaling core – layer. As a result, companies in the industry can get the potential effect of the introduction of digital technology in the form of faster decision-making, refining the project design and economic model in the design of field development.

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