Process for inert gas generation

Details Process for inert gas generation Process for inert gas generation

1995-04-25

1997-03-04

Tucker, Philip

Earth boring, well treating, and oil field chemistry

Well treating

Contains intended gaseous phase at entry into wellbore

252373, C09K 700

Patent

active

056079036

ABSTRACT:
A process for the generation of insert gas for backsurging and artificial lift for oil wells includes a step of admitting atmospheric air into a diesel engine through a turbocompressor. The flue gas from the engine is discharged to a first cooler for cooling the flue gas and then to a first cyclone for separating water and solid particles. The flue gas from the first cyclone is supplied to a first stage of a first compressor and from the first stage into a second cooler for further cooling the flue gas. The flue gas is discharged from the second cooler into a second stage of the first compressor and thereafter discharged into a third cooler. The flue gas is then supplied from the third cooler to a second cyclone downstream for further separating water and solid particles. The flue gas is discharged from the second cyclone to the first stage of a second compressor and then supplied to a fourth cooler. The flue gas discharged from the fourth cooler is supplied to the second stage of the second compressor and then to a fifth cooler. Upon discharge from the fifth cooler, the flue gas is highly inert and at a high pressure suitable for artificial lift in oil wells.

REFERENCES:
patent: 4729879 (1988-03-01), Black

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