Motors

HP Reliability: Best practices when trim-cutting closed-pump impellers

Bloch, Heinz P., Hydrocarbon Processing Staff

Experienced reliability professionals will implement least-risk solutions whenever possible. The following example relates to impeller trimming to reduce the diameter of a fixed-speed centrifugal pump..

HP Engineering Case Histories: Case 77: Random deck vibration with beats

Sofronas, A., Consulting Engineer

When something vibrates, it is usually in a predictable manner. Motors, pumps, compressors, turbines and centrifuges all vibrate when they are out of balance. Vibration analysis can help predict the s..

Update on lubrication systems

Bloch, Heinz P., Hydrocarbon Processing Staff

Several case histories illustrate the pros and cons for maintaining rotating equipment under various plant conditions.Example 1In late May 2013, a US oil-mist provider in one of the Great Lakes states..

Control moisture in ‘wetted’ rotating equipment

Barnes, M., Morgan, D., Des-Case Corp.

In turbomachinery, water is one of the most deleterious contaminants. Left unchecked, moisture can severely reduce the service life expectancy of oil-wetted rotating and reciprocating components by as..

Improve quality of lubricating fluids via filtration

Kroger, K. G., Puradyn Filter Technologies

Micro-sized dust particles, along with water, can ruin the best lubricating fluids. Contamination of lubricating fluids can occur due to the byproducts of combustion, metal wear, oxidation and more. T..

HP Reliability: Was that a failure or ‘just a repair’?

Bloch, Heinz P., Hydrocarbon Processing Staff

Purists among reliability professionals are sometimes concerned about the accuracy of the measurement of the mean-time-between-failure (MTBF) of an asset. There are many ways to conduct this failure f..

HP Reliability: Demand specifics in designing your asset management programs

Bloch, Heinz P., Hydrocarbon Processing Staff

In 2009, an automation journal commissioned an online survey asking industry observers and practitioners to rank technology trends in 2009 and beyond.1 Table 1 summarizes the respondents’ prefere..

HP Engineering Case Histories: Case 76: Simple troubleshooting analysis tips are useful

Sofronas, A., Consulting Engineer

Analyzing failed parts or poor operation requires the proper skills and equipment. Sometimes these investigations are not always very difficult. Often, troubleshooting a failure just requires a logica..

HP Innovations

Blume, Adrienne, Hydrocarbon Processing Staff

Software combines crude management with designInvensys released its integrated Spiral CrudeSuite crude oil knowledge-management software (Fig. 1) with its SimSci PRO/II design and ROMeo optimization s..

Recommended guidelines can help prevent fires caused by static electricity

O’Brien, M., Newson Gale

For any person working in the oil and gas industry who is responsible for the safety of employees, colleagues, plant equipment and property, one of the most potentially confusing aspects in providing ..