| 摘要 |
FIELD: mining. ^ SUBSTANCE: composition for killing of well contains, wt %: polyacrylamide 3.5-5.0, binder - mixture of chromium acetate and copper sulphate in form of their 20% solutions 1.7-2.0, water - the rest. ^ EFFECT: simplification of composition for killing of well and reduced time for gel formation. ^ 8 tbl, 4 ex |
