UNIT FOR PRETREATMENT OF PRODUCTION FLUID Russian patent published in 2017 - IPC B01D17/02 B01D36/00 B01D19/00 E21B43/34 

FIELD: oil and gas industry.

SUBSTANCE: unit for pretreatment of production fluid includes a tank 5 of borehole product collection and degassing, dewatering device 14, pumps 6, 8, 13, heat exchanger 11, measuring tools, piping manifold, shutoff and control valves. The unit is placed in the assembled housing of the box type and equipped with the device 16 for crude oil desalting, associated with the fresh water supply system. The unit housing 14 for oil dewatering contains at least one inspection window 15. There are partitions on the rails inside the housing. The fine filter 17 is installed on the formation water discharge pipe, it has the ability to change the fillers and filter screens. The pipe section, connecting the coarse filter 4 with the heat exchange unit 11, is branched into two lines, one of which passes through the collecting and degassing borehole product tank 5.

EFFECT: invention allows to provide the opportunity to use the unit for study the oil and waste water pretreatment processes without affecting the current process of oil treatment commercial plants.

3 dwg