Oil field sewage treatment system

The utility model discloses an oil field sewage treatment system belongs to the sewage treatment field. This oil field sewage treatment system includes: filter, gate valve, first manometer, second manometer, a plurality of inhibition hinder dirty device, water injection pump and water injection pipeline, filter, gate valve, first manometer, inhibition hinder dirty device, water injection pump, second manometer to be connected in order and switches on through the water injection pipeline, and the second manometer hinders dirty device through water injection pipeline and a plurality of inhibitions and is linked together, and each is linked together with a water injection individual well treating the water injection respectively, the inhibition hinders dirty device and includes casing, electrolysis subassembly, power and wire, the casing lower part is equipped with the water inlet, upper portion is equipped with the delivery port, and the electrolysis subassembly includes inert electrode and metal body, and iner