| 摘要 |
well drilling, particularly, reagents for regulation of drilling mud properties. SUBSTANCE: composition reagent for drilling muds includes ethyl siliconate and additional carboxymethyloxyethyl cellulose with the following ratio of components, mas.%: carboxymethyloxyethyl cellulose, 50-65; sodium ethyl siliconate, 35-50. EFFECT: reagent with multifunctional properties such as heat resistance, stability to polyvalent filtration-reduction cations, improved lubricating and wear-resistant properties. 5 tbl |
