Advanced Online Condition Monitoring and Diagnostics support Operational and Maintenance Decisions in an Offshore Gas Compression and Export System Unit

Chevron North Sea Limited operates two 3-stage reciprocating compressors on the offshore platform which are in service of the Gas Compression and Export System unit. Essential information to evaluate the condition of the reciprocating compressor are a base for operation decisions, therefore Chevron North Sea Limited installed an online condition monitoring system for reciprocating compressors to increase the reliability and safety protection for their compressors.

This paper presents several case studies about malfunctions like a broken rod, loose crosshead shoes and misalignment, as well as lessons learned which helped to reduce outage time and costs.

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