Abstract
It is found that one of the ways to increase the depth of penetration, as well as to prevent the formation of sediments, is the use of systems that contribute to the generating formation of hydrofluoric acid in reservoirs due to the ability to maintain a limited concentration of hydrofluoric acid over time. It is shown that the method of generating formation of hydrofluoric acid based on chelate compounds and ammonium hydrofluoride is a simultaneous solution to the problems associated with high temperature and the formation of secondary precipitates. Due to the strong properties of chelate compounds, some of them, which are adsorbed on the surface of the formation of the bottomhole zone, play the role of an inhibitor of salt deposition and protect the bottomhole zone from contamination with inorganic salts for a long time.
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