Study on Sedimentary Facies and Reservoir Characteristics of Paleogene Sandstone in Yingmaili Block, Tarim Basin

Table 4

Statistics of the average pore structure characteristic parameters of block Yingmai 7.

Type	Number of samples	Permeability, 10^-3 μm^2	Porosity, %	Displacement pressure, MPa	Median pressure, MPa	Sorting coefficient	Maximum throat size, μm	Median throat size, μm
A	39	509.60	20.37	0.03	0.47	2.26	34.18	3.78
B	11	145.07	18.70	0.07	0.43	1.91	15.84	1.80
C	5	67.70	14.88	0.07	0.49	2.43	10.85	0.83
D	2	1.49	7.25	1.96	23.05	1.68	0.42	0.02