FIELD: oil and gas industry.
SUBSTANCE: well servicing method comprises ingredients mixing to form a well servicing fluid, wherein the ingredients include: (i) the first surfactant selected from alcohol ethoxylates; the second surfactant selected from C4-C12 primary alcohols; the third surfactant selected from ethoxylated propoxylated alcohols; (Ii) an inverse emulsion with an aqueous phase containing a zwitterionic polymer, wherein the aqueous phase is dispersed in the form of droplets in the hydrophobic continuous phase, and the polymer comprises at least one Ab monomer comprising a betaine group, and optionally one or more nonionic monomer Va; (Iii) water-based saline solution, and injection of the well servicing fluid into the hydrocarbon well.
EFFECT: reduced mixing time of well servicing fluid ingredients, the ability to mix in the application.
26 cl, 20 dwg, 8 tbl, 11 ex
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