November 2011

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HP Reliability: One pump fire per 1,000 pump repairs

While performing reliability audits decades ago, pump-failure statistics were made available or could be recovered with relative ease. But even then, the sources were usually kept confidential because..

Bloch, H. P., Hydrocarbon Processing Staff

While performing reliability audits decades ago, pump-failure statistics were made available or could be recovered with relative ease. But even then, the sources were usually kept confidential because fire incidents are stressful, to say the least (Fig. 1). In 1974, it was known that, for every 1,000 pump repairs, there was a pump-related fire incident. More recently and in a facility with approximately 2,000 installed pumps, the acknowledged meantime between repairs (MTBR) was six years. This would allow us to calculate that approximately 333 pumps underwent repair each year. Since that particular plant experienced five pump-related near-disasters over a 14-year period, doing the simple m

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