Investigating Multiphase Flow Phenomena in Fine-Grained Reservoir Rocks: Insights from Using Ethane Permeability Measurements over a Range of Pore Pressures

Table 1

Experimental conditions and tabulated data for each sample.

Sample	Simple effective stress (MPa)	(mD)			% permeability drop at 3.45
TEFB9Pll	7		0.20	0.07	33
TEFB9Pll	21		0.38	0.13	39
TEFB9Pll	48		0.67	0.23	45
TEFB9Pd	7		1.45	0.51	28
MONT	21		2.29	0.80	84
TEF21	21		2.37	0.83	76
B5FD1B6	7		1.27	0.44	29
B5FD2A2	21		0.97	0.34	44

difference between predicted permeability and measured ethane gas permeability at 3.45 MPa mean pore pressure.