experiment | time and results | ||||||
date | test | failure pressure (bar) | failure pressure (psi) | days of hydration | failure gradient (bar/m) | failure gradient (psi/ft) | |
97.2 mm ID pipe, 5A PVP | 05/04/2018 | start | 0 | 0 | 0 | 0 | 0 |
12/07/2018 | 1st | 1.5 | 21.8 | 99 | 1.5 | 6.6 | |
4/10/2018 | 2nd | 1.8 | 26.1 | 183 | 1.8 | 8.0 | |
25/01/2019 | 3rd | 3.2 | 46.3 | 296 | 3.2 | 14.1 | |
97.2 mm ID pipe, 5D PVP | 5/04/2018 | start | 0 | 0 | 0 | 0 | 0 |
12/07/2018 | 1st | 2.1 | 30.5 | 99 | 2.1 | 9.3 | |
4/10/2018 | 2nd | 2.5 | 35.6 | 183 | 2.5 | 10.8 | |
25/01/2019 | 3rd | 5.9 | 85 | 296 | 5.9 | 25.9 | |
139.8 mm ID pipe, 5D PVP min flow | 07/06/2018 | start | 0 | 0 | 0 | 0 | 0 |
10/08/2018 | 1st | 0.4 | 5.5 | 65 | 0.4 | 1.7 | |
4/10/2018 | 2nd | 1.2 | 17.6 | 120 | 1.2 | 5.4 | |
1/11/2018 | 3rd | 3.5 | 50.5 | 148 | 3.5 | 15.4 | |
14/02/2019 | 4th | 6.8 | 98 | 253 | 6.8 | 29.9 | |
139.8 mm ID pipe, 5D PVP high flow | 7/06/2018 | start | 0 | 0 | 0 | 0 | 0 |
10/08/2018 | 1st | 0.4 | 5.5 | 65 | 0.4 | 1.7 | |
4/10/2018 | 2nd | 1.2 | 17.6 | 120 | 1.2 | 5.4 | |
1/11/2018 | 3rd | 10.3 | 150.1 | 148 | 10.3 | 45.8 | |
14/02/2019 | 4th | 14.7 | 213.1 | 253 | 14.7 | 65 | |
173.1 mm ID pipe, 5D PVP | 25/08/2017 | start | 0 | 0 | 0 | 0 | 0 |
17/11/2017 | 1st | 0.7 | 10.2 | 85 | 0.7 | 3.1 | |
sandstone cylinder, 5D PVP | 10/04/2018 | start | 0 | 0 | 0 | 0 | 0 |
17/07/2018 | 1st | 9.5 | 138 | 98 | 9.5 | 42.1 | |
10/08/2018 | 2nd | 18 | 261 | 122 | 18 | 79.6 | |
3/09/2018 | 3rd | 21.1 | 306 | 146 | 21.1 | 93.3 |