Recover Flare Gas to Production
Traditionally in the Oil & Gas Industry, waste and surplus gas has been disposed of by flaring to atmosphere. Today this process is becoming increasingly unacceptable as the Industry progresses towards eliminating the emission of greenhouse gases into the atmosphere whilst simultaneously conserving energy. Therefore, the demand for equipment that can safely and economically compress waste and surplus gas back into the production process is rapidly increasing.
Transvac Gas Ejectors are ideally suited to this application because they employ high-pressure gas energy to entrain and compress waste and surplus gas to a pressure where the gas can be used in the process.
Alternative schemes could involve the use of a side stream taken from the discharge of the Gas-lift Compressors as the HP motive gas supply. Schemes in which the flare gas is compressed into the fuel gas system are also common.
"the flaring stopped, we recovered gas back into production and it costs nothing to run!" |
 Gas Ejector fitted with integral HP gas regulating Assembly |
Control of Flare Gas Ejectors
In these applications, it is not uncommon for the flowrate of the flare gas to vary and; if not controlled, the suction pressure created by the Gas Ejector will also vary. In order to maintain the desired pressure on the suction side of the Gas-Jet Compressor, a number of standard control techniques are available.
These include:-
- Recycling of gas from the discharge side of the Gas Ejector back into the suction (low pressure) side
- Incorporation of an integral HP gas regulating assembly which varies the motive fluid consumed. (As shown in the photograph)
Send us your requirements using our Gas Ejector Enquiry Form
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Compress Waste Gas into Flare Header System
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Visit our 'Flare Gas Recovery' micro-site at: www.FlareGasRecovery.co.uk