December 2004

Rotating Equipment

Use of oil-injected screw compressors in a special fuel gas boosting service

They offer advantages compared to centrifugal and reciprocating types

Cummings, J., Consulting Engineer

Use of oil-injected screw compressors in fuel gas boosting service for gas turbines has been well documented.1?4 These types of compressors have been used in the first high-pressure application in the US, which also had a special requirement of two different gas fuels available at different pressures. Rating the different types of compressors. Oil-injected screw compressors compete with reciprocating and centrifugal compressors as well as dry screw compressors in the fuel gas boosting service often required for gas turbines. Each type of compressor has its own list of advantages for the end user. This article is not intended to repeat those details that have been covered in the referen

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