Research Article
New Online Shunt Acidification for Water Injection Increasing Technology and Its Application in Huanjiang Oilfield
Table 2
Particle size distribution of the mixed solution of COA-1P and COA-1S.
| | Group | COA-1P concentration (%) | COA-1S concentration (%) | pH | Particle size (μm) | | d (0.1) | d (0.5) | d (0.9) |
| | 1 | 5 | 5 | <1 | 13.88 | 41.48 | 107.00 | | 2 | 10 | 10 | <1 | 15.73 | 42.43 | 110.12 | | 3 | 10 | — | 3 | 11.16 | 38.34 | 102.36 | | 4 | 10 | — | 5 | 10.54 | 38.24 | 100.45 |
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