CATEGORY: RISK MATRIX
Petroleum and Chemical Industry Technical
Conference (PCIC), 2013
A
Risk Based Approach For Prioritizing Electrical Equipment Replacement And
Repair
Christopher Cayanan (1), P.E. Rey Navarro (1), Ernie Wagner (2)
1 Oxy Long Beach, Inc, Long Beach, CA
2 Occidental Oil and Gas Corporation, Houston, TX
Abstract
Electrical infrastructure equipment in the petrochemical and/or oil and gas
industry in North America is four decades old or more. The life and reliability
of such electrical equipment can be compromised due to operating conditions
such as exposure to moisture and chemicals, loading, temperature, vibration,
and mechanical stress over the life of the equipment.
Electrical
equipment operating and life cycle philosophies tend to vary from age based
replacement to run-to-failure. The result is an ad-hoc approach for determining
the appropriate time for equipment replacement or major repairs. Limited
resources, funding, and other competing projects exacerbate the issue. Authors
present a systematic risk based approach of prioritizing electrical equipment
replacement and repair projects to improve electrical reliability and safety.
The approach uses probability and consequence techniques for equipment repair
or replacement.
An operating and life cycle management philosophy using preventive
and predictive maintenance results to prioritize equipment replacements and/or
improvement will help optimize how to determine when equipment repair or
replacement is justified.
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