Table 1 Experimental core physical properties data.

From: Experimental study on ultrasonic reduction of irreducible water saturation in low permeability reservoir

Core number

Permeability /10−3 µm2

Porosity/%

YX-1

3.26

10.48

YX-2

11.35

9.95

YX-3

17.32

11.54

YX-4

24.97

15.72

YX-5

33.48

16.78

YX-6

45.81

14.35

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