Novo artigo publicado!! Increasing Recovery Factor in Heavy Oil Fields Using Alternating Steam and Surfactant Injection (2023)
Increasing Recovery Factor in Heavy Oil Fields Using Alternating Steam and Surfactant Injection (2023)
(Energy & Fuels)

The experimental study investigated the application of solutions of ethoxylated nonylphenol surfactants (NP-10EO and NP-100EO) combined with steam injection into banks at different concentrations and injection configurations. The results showed that combining the NP-100EO surfactant (0.5% m/m) with steam demonstrated the highest oil recovery (64.88%) compared to conventional steam (45.19%). The most effective configurations were surfactant + steam + surfactant (65.06%) and surfactant + steam + water (65.88%). These findings suggest that the proposed technique of steam injection and surfactant solution could be a promising alternative. By revitalizing marginal fields, this technique could help extend production and stimulate local and regional development.