Abstract
A short list of existing methods for the prevention and removal of asphalt-resin-paraffin deposits from oilfield equipment is given. Chemical methods related to the use of various additives, reagents, and remover agents are discussed in more detail. A brief description of the main classes of chemicals used in solving the problem of preventing and removing asphalt-resin-paraffin deposits is given. It has been shown that in order to select the most chemically effective ways to prevent and remove organic deposits, it is necessary to obtain an adequate understanding of the composition, properties, and structure of the source oil and the formed deposits. The mechanism of action of the reagents on asphalt-resin-paraffin deposits was clarified, and it was established that the reagents BAF-1 and BAF-2 (technical conditional name of composites) when interacting with the deposits, grind the associates and ensure their uniform distribution in the oil, which improves the rheological properties of the oil. It is indicated that the technology being put forward is based on the clathrate formation, i.e. Lewis's theory of "host-guest". Keywords: asphalt-resin-paraffin deposits, crushing, factors affecting the formation of ARPD, coagulation, the chemical composition of oil, mechanism of ARPD formation, methods of ARPD control.
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