Geofluids / 2019 / Article / Tab 7

Research Article

Damage Mechanism of Oil-Based Drilling Fluid Flow in Seepage Channels for Fractured Tight Sandstone Gas Reservoirs

Table 7

Stress sensitivity of fractured tight sandstone gas reservoir in the study area.

CoreCore numberPermeability (10-3 μm2)Damage rate of permeability (%)
2.5 MPa20 MPa2.5 MPa

Matrix core1110.02490.00960.011525.84
Fracture core11527.47621.48553.619586.83

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