| abstract |
The invention discloses a water-soluble oil-based drilling fluid lubricant and a preparation method thereof. The lubricant can be dissolved in the water-based drilling fluid, can greatly improve the service period of the lubricant in the water-based drilling fluid, and has strong lubricating performance. , Low foaming. The raw material of the lubricant is a mixed solution composed of industrial oleic acid, crude oil, additives and industrial ethanol; wherein, the mass fraction of the industrial oleic acid is 30-35%; the mass fraction of crude oil is 50-60%, the additive The mass fraction of ethanol is 5-10%; the mass fraction of industrial ethanol is 5%. |