| 摘要 |
FIELD: oil and gas production. ^ SUBSTANCE: additive contains, wt %: kerosene, 5-10; oil-soluble surfactant prepared by reaction of boric acid with diethanolamine and mixture of saturated and unsaturated fatty acids with hydrocarbon radical C8-C24 at their molar ratio 1:3:1.5, 20-30; and additionally polyglycol, 50-65, and isobutyl alcohol, 7-10. ^ EFFECT: improved lubricating and antistick properties of drilling fluid. ^ 2 tbl, 2 ex
|
