Research Article
Investigation of Pressure Relief Borehole Effects Using In Situ Testing Based on Distributed Optical Fibre Sensing Technology
Figure 16
External test in 10# borehole: (a) drilled after 48 h, (b) drilled after 168 h, (c) drilled after 240 h, and (d) drilled after 432 h.
(a) |
(b) |
(c) |
(d) |