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Case Study

Reliability Study Uncovers Root Causes of Mechanical Seal Failures

Reliability Study Uncovers Root Causes of Mechanical Seal Failures

Reliability Study Uncovers Root Causes of Mechanical Seal Failures

Oceaneering
Pages 4 Pages

This case study explains how a North Sea oil and gas operator reduced repeated pump mechanical seal failures by conducting a detailed root cause reliability study across 40 production pumps. Engineers analyzed work orders, operating practices, seal system design, monitoring methods, contamination risks, startup procedures, and maintenance practices to identify systemic issues contributing to premature failures. Corrective actions included improved seal installation training, enhanced monitoring, filtration upgrades, maintenance plan improvements, spare parts reviews, and operational changes. The initiative significantly reduced unplanned downtime, improved pump availability, and established a long-term framework for future reliability investigations.

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