| 摘要 |
The present invention is related to the oil industry in general, particularly referring to chemical compositions used for improving the quality of the sale of crude oil, and more specifically the invention referring to a novel demulsifier composition used for dehydrating and desalting crude oil, which will improve the quality thereof and benefit the economic investment and energy, also obtaining a better income due to the sale of an improved crude, the composition comprising from about 10% to about 20% by weight of at least a formaldehyde phenol alkyl resin with an ethylene-propylene oxide block of an average molecular weight of 600-800; of from about 10% to about 20% by weight of at least a formaldehyde phenol alkyl resin with an ethylene-propylene oxide block of an average molecular weight of 3000 to 4000; from about 3% to about 8% by weight of at least a polymer of polyoxyethylene-propylene block with an ethylenediamide core of an average molecular weight of from about 2500 to abou t 3500; from about 1% to about 5% by weight of at least a propylene ethylene oxide block with a propylene oxide core of an average molecular weight of from about 1000 to about 1200; and from about 40% to about 60% by weight of a mixture of alcohol-aromatic solvents. |
