The main type of Gas Compressors within the Offshore industry are dynamic compressors and reciprocating compressors.

Selection of cylinder lubricant for a reciprocating gas compressor depends on discharge pressure, corresponding temperature and gas composition. 

The Castrol range of gas compressor cylinder lubricants are formulated expressly for the compression of hydrocarbon gases. Cresta PG range of polyalkylene glycol based cylinder lubricants has been designed for more complex gas compositions to withstand hydrocarbon dilution. Cresta VA range is suited to more benign gas compositions at lower discharge temperatures.
Always check your equipment manual and consult with a Castrol Technical Service Engineer to choose the right product for the right application.