| 摘要 |
FIELD: oil and gas industry.SUBSTANCE: complex action reagent for water-based drilling fluids contains tall oil, a modifying additive and a solvent, wherein used as the modifying additive is a mixture of sodium formate, alkali, polymethylsiloxane at a ratio of 11:3:8, as a solvent - a mixture polyglycol, flotation reagent-oksal and isopropyl alcohol at a ratio of 2:1:1, with the following ratio of components, MP: tall oil - 35-40; modifying additive - 20-25; solvent - 35-45.EFFECT: improved anticorrosion properties of drilling fluid, its lubricating and antiwear properties with respect to the friction pair "metal-rock".1 cl, 2 tbl, 2 ex |
