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Asphaltene Inhibitor Preparation via Simultaneous Synthesis and Coating of Fe~3~O~4~ Nanoparticles: Performance Evaluation by a Dispersant Test and Interfacial Rheology Analysis by Mohsen Bahaloo Horeh; Negahdar Hosseinpour; Aliyar Javadi is a Engineering article available to read on EtoBox.

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During oil production, asphaltene nanoaggregates self-associate and can precipitate out from the oil phase, especially light crudes, followed by deposition on rock, tubing, and surface facilities. Metal oxide nanoparticles can provide highly dense surface groups with a high tendency for strong interactions with asphaltene. Therefore, the coating of the nanoparticles by carboncontaining chains with appropriate functional groups can provide a nanostructured asphaltene inhibitor. The inhibitor-asphaltene interactions control the adsorption tendency of the asphalteneinhibitor complexes to the oil-water interface, thus affecting both the dynamics of adsorption and the equilibrium interfacial tension (IFT). In this work, simultaneous synthesis and coating of iron oxide nanoparticles by oleic acid were done via an interfaceassisted phase-transfer method. The crystalline structure and particle size of the nanoparticles as well as the coating level considering the oleic acid-nanoparticle interactions were characterized well. A conventional asphaltene dispersant test (ADT) on a crude oil sample was performed to assess the inhibitor-asphaltene interactions and thus stability. It is found that

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Author

Mohsen Bahaloo Horeh; Negahdar Hosseinpour; Aliyar Javadi

Publisher

American Chemical Society (ACS)

Published

2023

Language

EN

Field

Engineering (Physical Sciences)