Research Article
Development and Field Application of a New Ultralow Guar Gum Concentration Weighted Fracturing Fluid in HPHT Reservoirs
Table 5
Crosslinking performance of fracturing fluids with different densities.
| | Cross-linker (%) | Density (g/cm3) | Regulator (%) | Crosslinking time (min) | Crosslinking gel |
| | 0.55 | 1.3 | 0.4 | 1 min 50 s | Well | | 0.5 | 1.3 | 0.4 | 2 min 40 s | Well | | 0.45 | 1.3 | 0.4 | — | Bad cross-linked | | 0.4 | 1.3 | 0.3 | — | Bad cross-linked | | 0.5 | 1.0 | 0.4 | 1 min | Well | | 0.45 | 1.0 | 0.4 | 1 min 30 s | Well | | 0.4 | 1.0 | 0.4 | 2 min | Well |
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