Onshore oil gas field oil-containing solid pollutant lift-off circulating method and device
A technology for pollutants, oil and gas fields, applied in chemical instruments and methods, petroleum industry, processing hydrocarbon oil, etc., can solve the problems of low recovery efficiency of oil phase, waste of resources, difficult oil and efficient separation and utilization, etc. Efficiency, effect of high deoiling efficiency
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[0085] The oil-containing solid pollutants produced by the oil-based mud drilling project in a shale gas block in Chongqing are mainly waste oil-based drilling fluids. The waste oil-based drilling fluids are treated according to the method and device of the present invention. The specific operation process and effects are described as follows:
[0086] 1. Implementation process
[0087] Implement with reference to the method of the present invention, specifically as follows:
[0088] In this embodiment, the heating gas medium is air, so the gas heating method is an air duct electric heater; the material transportation is a screw conveyor.
[0089] 1) Air is pumped in by the blast system and heating system (200m 3 / h) and heated to 160°C, mixed with oil-based cuttings (feed rate 50kg / h, oil content ≤ 5% after centrifugal drying) conveyed by the conveying device, and then enter the cyclone group for deep drilling Degreasing treatment. A sampling port is provided at the underf...
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