Table 3 Results of monitoring fractures with micro seismic.
From: New prediction method of horizontal principal stress of deep tight reservoirs
Well | J-10 | J-13 | J-18 | J-27 | J-171 | J-30 | J-22 |
---|---|---|---|---|---|---|---|
Fracture height/m | 49 | 58 | 51 | 56 | 53 | 76 | 57 |
Fracture length/m | 236 | 251 | 318 | 269 | 388 | 231 | 257 |
Fracture direction/\(^\circ\) | \(\frac{141-163}{156}\) | \(\frac{143-159}{150}\) | \(\frac{139-158}{146}\) | \(\frac{140-159}{152}\) | \(\frac{144-168}{158}\) | \(\frac{141-170}{159}\) | \(\frac{135-167}{151}\) |