Research Article
Preparation and Properties of Polymer/Vermiculite Hybrid Superabsorbent Reinforced by Fiber for Enhanced Oil Recovery
Table 2
Characteristic parameters for 0.3 SACF displacement of subsequent water flooding in the core flooding experiment.
| |
Core samples | Core parameter |
Particle gels system | Pressure parameter (MPa) |
Residual resistance factor |
Shut-off efficiency % | | Diameter cm | Length cm | Permeability μm2 | Initial pressure | Breakthrough pressure | Stable pressure |
| | 1# | 3.796 | 6.98 | 1.83 | SACF-1 | 0.138 | 1.172 | 0.745 | 5.4 | 81.4 | | 2# | 3.798 | 6.96 | 1.87 | SACF-2 | 0.126 | 4.363 | 1.952 | 15.5 | 93.5 | | 3# | 3.802 | 7.01 | 1.91 | SACF-4 | 0.135 | 8.432 | 3.594 | 26.4 | 96.2 |
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