experiment | failure pressure for a 30 m plugged section | |||
failure gradient (bar/m) | failure gradient (psi/ft) | (bar) | (psi) | |
97.2 mm ID pipe, 5A PVP | 3.2 | 14.1 | 96 | 1389 |
97.2 mm ID pipe, 5D PVP | 5.9 | 25.9 | 176 | 2549 |
139.8 mm ID pipe, 5D PVP, min flow | 6.8 | 29.9 | 811 | 2959 |
173.1 mm ID pipe, 5D PVP | 0.7 | 3.1 | 21 | 306 |
sandstone cylinder, 5D PVP | 21.1 | 93.3 | 633 | 9180 |