| 摘要 |
FIELD: oil and gas production. ^ SUBSTANCE: procedure for treatment of bottomhole zone of terrigenous reservoir consists in pumping solution containing, wt %: hydrochloric acid 10.5-12.7, formic acid 12.2-15.8, ascorbic acid 0.5, water 71.0-76.8 with process cure during 17-22 h, in development of well along production string, in pumping fluorine-hydrogen solution consisting of mixture of hydrochloric and etching acids, in process cure during 4-6 h, and in well completion to estimated yield. ^ EFFECT: increased depth of penetration of acid solution into reservoir. ^ 1 tbl |
