Phase transport of HCl, HFeCl4, water, and crude oil components in acid-crude oil systems.


A model describing the transport of HCl and HFeCl(4) from a water phase to a crude oil phase and subsequent sludge formation is proposed. Crude oil phase transfer compounds (PTCs) that are basic in nature facilitate transport of acid to the crude oil phase. These crude oil PTCs are able to migrate to the acid-oil interface and form acid-base complexes that… (More)


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