Deep Sandstone Reservoir Characteristics and Pore Structure Classification Based on Fractal Theory: A Case Study of the Bayingobi Formation in Guaizihu Sag, Yin'e Basin.

With increasing permeability, the distribution range of throat radius widens, the peak value of throat shifts to the right, the proportion of small throats decreases, the proportion of large throats increases significantly, and the peak content shows a decreasing trend.

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