Study of Single Phase Mass Transfer between Matrix and Fracture in Tight Oil Reservoirs

Table 1

Reservoir parameters of Yanchang Formation.

Parameter	No. 1	No. 2	No. 3	No. 4	No. 5	No. 6	No. 7	No. 8
Porosity (%)	8.20	6.20	12.70	8.40	6.80	6.00	5.10	12.10
Gas permeability (10^−3 μm^2)	0.40	0.16	0.12	0.18	0.10	0.10	0.05	0.23
Liquid permeability (10^−3 μm^2)	0.014	0.006	0.004	0.005	0.003	0.003	0.001	0.01