| abstract |
FIELD: oil and gas production. SUBSTANCE: composition contains (i) 53-83% of zeolite-containing component, in particular, filtrate of mixture of petrochemical production catalyst Zeokar-10 or its worn-out form, alkali, and water (5-10, 5, and 53-85%, respectively), and (ii) 17-47% of dilute hydrochloric acid (for instance with concentration 5-10%). EFFECT: reduced corrosion activity of composition and simplified preparation thereof. 3 cl, 2 tbl, 3 ex |