Research Article

Nanoscale Pore Structure Characterization and Permeability of Mudrocks and Fine-Grained Sandstones in Coal Reservoirs by Scanning Electron Microscopy, Mercury Intrusion Porosimetry, and Low-Field Nuclear Magnetic Resonance

Figure 4

The FIB-SEM images of sample NT-M2 ( = 8.82%; = 0.0048 mD).
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