COMPOSITION FOR COMPLEX TREATMENT OF WELL BOTTOM ZONE

摘要

FIELD: construction. ^ SUBSTANCE: invention is related to compositions for treatment of well bottom zone with the purpose to clean them from substances of various nature, increased oil recovery of headers. Composition comprises sodium or potassium naphthenate and 12-14% water solution of hydrochloric acid at mass ratio of components 1:1. ^ EFFECT: increased efficiency of well due to increased permeability of bed. ^ 4 tbl, 6 ex