| 摘要 |
FIELD: oil and gas industry. ^ SUBSTANCE: buffer liquid on water basis, containing coal-alkali reagent, carboxilemethylcellulose and hardener, additionally has sodium tripolyphosphate with following ratio of ingredients in percents of mass: coal-alkali reagent 8-12, carboxilemethylcellulose 0.45-1.0, sodium tripolyphosphate 0.1-1.0, hardener 0-70, water the rest. ^ EFFECT: higher efficiency. ^ 1 ex, 3 tbl |
