| 摘要 |
FIELD: oil and gas production. SUBSTANCE: demulsifier-corrosion inhibitor is composed of, wt %: dimethyl phosphite, 0.2-1.5; nitrogen-containing compound, 0.2- 16.5; oxyethylenated alkylphenol, 15.0-25.0; phosphenox-H-12, 10.0-25.0; organic solvent, the balance. Solvent is selected from the group including: ethanol, industrial-grade methanol, petroleum-origin toluene, xylene, butylbenzene, and their mixture and water. EFFECT: increased demulsification efficiency. 2 cl, 2 tbl, 14 ex
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