Table 4 DZ-XCP-03 hole hydraulic fracturing in-situ stress measurement results.
Number | Section depth (m) | Fracturing parameters (MPa) | Principal stress value (MPa) | Fracture orientation (°) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
\(P_{b}\) | \(P_{r}\) | \(P_{s}\) | \(P_{0}\) | \(\sigma_{t}\) | \(\sigma_{H}\) | \(\sigma_{h}\) | \(\sigma_{v}\) | |||
1 | 565.30–566.60 | 14.54 | 10.54 | 10.04 | 5.15 | 4.00 | 14.43 | 10.04 | 14.96 | N45°W |
2 | 635.20–636.50 | 16.22 | 13.72 | 12.72 | 5.83 | 2.50 | 18.61 | 12.72 | 16.81 | – |
3 | 690.00–691.30 | 16.76 | 15.76 | 14.26 | 6.37 | 1.00 | 20.65 | 14.26 | 18.26 | – |
4 | 718.60–719.90 | 19.54 | 16.04 | 14.54 | 6.65 | 3.50 | 20.93 | 14.54 | 19.01 | – |
5 | 761.20–762.50 | 22.46 | 18.46 | 15.96 | 7.07 | 4.00 | 22.35 | 15.96 | 20.14 | N26°W |
6 | 836.50–837.80 | 19.70 | 17.20 | 16.20 | 7.81 | 2.50 | 23.59 | 16.20 | 22.13 | N34°W |
7 | 872.30–873.60 | – | 20.05 | 17.55 | 8.16 | – | 24.44 | 17.55 | 23.08 | – |
8 | 887.40–888.70 | – | 21.20 | 18.20 | 8.31 | – | 25.09 | 18.20 | 23.48 | N45°W |
