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The article uses a combination of theory and experiment, starting from the Archie formula, and puts forward the assumption that the process of wellbore mud invasion is approximately equivalent to the process of high-pressure mercury injection in the laboratory. Combined with conventional and nuclear magnetic resonance logging data, a new model of T2 spectrum conversion pseudo capillary pressure curve was studied by formula derivation. Then, the model was calibrated using experimental data of core high-pressure mercury intrusion, fully excavated the rock pore structure information contained in conventional logging and nuclear magnetic resonance logging, and finally established a pore structure evaluation model to study the reservoir pore structure in the study area analysis.
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This page is a summary of: Study on pore structure evaluation of shale gas reservoir-Taking the Lower Cambrian Niutitang Formation in the Cenggong Block, Guizhou Province as an example, Interpretation, June 2020, Society of Exploration Geophysicists,
DOI: 10.1190/int-2019-0148.1.
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