Gas/liquid separation in water injection into hydrocarbon...

Details Gas/liquid separation in water injection into hydrocarbon... Gas/liquid separation in water injection into hydrocarbon...

2007-09-04

2007-09-04

Smith, Duane (Department: 1724)

Gas separation: processes

Degasification of liquid

Plural successive degassing treatments

C095S248000, C095S261000, C096S195000, C096S208000, C096S216000

Reexamination Certificate

active

10991019

ABSTRACT:
A water stream is treated to remove oxygen before injecting the water into an underground hydrocarbon reservoir. The water-oxygen mixture is separated by centrifugal action using fixed spin blades (20). Oxygen is removed from the center of the conduit through a gas pipe (30) coupled to a vacuum pump (50). Nitrogen may be introduced upstream of the centrifuge to dilute the water-gas solution to improve the efficiency of the gas-liquid separation.

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