Plugging fluid formula | Compressive strength/MPa | Total loss/mL |
Base slurry + 4% SWL-1 | 6 | 34 |
Base slurry + 4% KP | 3 | 114 |
Base slurry + 4% GWS-1 | 3 | 130 |
Base slurry + 5% SWL-1 | 7 | 42 |
Base slurry + 5% KP | 4 | Press through within 1 min |
Base slurry + 5% GWS-1 | 3 | 154 |