Research Article
Alkali Effect on Alkali-Surfactant-Polymer (ASP) Flooding Enhanced Oil Recovery Performance: Two Large-Scale Field Tests’ Evidence
Table 11
Oil composition comparison [
84].
| | Block | Total hydrocarbons | Saturated hydrocarbon | Aromatic hydrocarbon | Pectin | Asphaltene | Pectin + asphaltene | TAN, mgKOH/g |
| | SASP | 81.83 | 69.12 | 12.71 | 13.16 | 5.01 | 18.17 | 0.031 | | WASP | 76.97 | 64.84 | 12.13 | 16.39 | 6.64 | 23.03 | 0.034 |
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