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
1290.01060.00360.008321.80
Fracture core11527.47621.48553.619586.83
11912.35470.59641.156490.64

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.