METHOD OF COMMON TREATMENT OF DIFFERENT-TYPE CRUDE OILS

摘要

FIELD: oil and gas production. SUBSTANCE: purpose of invention is to reduce consumption of chelating agent and to increase quality of treating crude oil. It is achieved by common treatment of different-type oils by way of introducing chelating agent into hot water produced in the stage of profound dehydration and desalting with subsequent transferring emulsion to be heated before the second step of separating hydrogen sulfide-containing stream. EFFECT: reduced cost and improved quality of treatment. 1 dwg