Table 1 Ground stress test results.
Burial depth of measurement section/m | Fracturing parameters/MPa | Principal stress value/MPa | Rupture direction/° | ||||
|---|---|---|---|---|---|---|---|
526.9 | Fracturing pressure \(P_{b}\) | Reopening pressure \(P_{r}\) | Instantaneous shut-in pressure \(P_{s}\) | Maximum horizontal stress \(\sigma_{H}\) | Minimum horizontal stress \(\sigma_{h}\) | Vertical stress \(\sigma_{v}\) | N4.1°W |
14.49 | 11.54 | 9.63 | 16.91 | 9.41 | 13.17 | ||
