Maintenance & Reliability
Failure analysis of ethylene cracking heater convection section dilution steam tube
Several inspection techniques were required to determine the root cause of the failure
Case 33: Vessels in high-cycle service
Weld failures can be due to manufacturing defects
HP Reliability: Organizing for continuous improvement
Our respected colleague and coauthor of a series of books on machinery reliability improvement, Fred Geitner, recently took a look at North American refineries. He wanted to see how they are typically..
Identifying, monitoring and eliminating rotating equipment shaft voltages
Use these guidelines to avoid problems with both static charges and circulating currents
Maximize pump system energy savings
The approach saved $2 million per year at one site
Labyrinth compressors improve reliability in low-temperature service
Operating experience has been good in several installations
Money-based overall equipment effectiveness
Use this method to identify, prioritize and quantify inefficiencies
HP Reliability: Tackling your seal problems
A recent pump reliability improvement issue might serve as a model for tackling sealing issues in modern refineries. This one concerns crude vacuum bottoms pumps and explains a North American refinery..
Estimating corrosion in metallic stacks caused by hydrochloric acid
Simple method can be used to calculate the dewpoint temperature
Case 32: Piping flexibility concerns
Thermal upsets can cause pump problems due to piping loads
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- Plains oil pipeline partly shut down after rupture in East Los Angeles (U.S.), could disrupt supplies to refineries 5/22
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