HP Reliability: Closed-oil-mist systems and maintenance cost avoidance

Bloch, Heinz P., Hydrocarbon Processing Staff

A recent Hydrocarbon Processing (HP) article conveyed an industry finding that dates back several decades: Oil mist successfully lubricates operating machinery, protects and preserves standby equipmen..

HP Engineering Case Histories: Case 70: Twenty rules for troubleshooting

Sofronas, A., Consulting Engineer

In previous Engineering Case History columns, I have discussed checklists and their value in avoiding errors during startups. While the rules cannot replace common sense or a logical and methodical ap..

Modernize your compressor lube- and seal-oil systems

Bloch, Heinz P., Hydrocarbon Processing Staff

Each pipe or control line should be traced to its origin, the design intent must be well understood, and all owner-purchaser questions answered by the vendor-manufacturer.

Consider new developments for variable-speed electric motors

Almasi, A., WorleyParsons Services

New challenges, recent developments, the latest mechanical issues and main reliability factors for large variable-speed electric motor drivers in HPI plants are presented here.

Improve performance monitoring of your turbomachinery

Bhachu, U., Francis, J., Canadian Natural Resources Ltd.

This case study documents the performance variables to consider and apply when monitoring and tracking the efficiency deterioration for a steam turbine using DSs in a PI process book.

Case history: Improve refrigeration compressor performance

Ghaisas, N., Fluor Canada Ltd.

This case examines the mechanical distress and performance deterioration of a critical refrigeration compressor that was installed at a world-scale petrochemicals complex.

Apply new guidelines to select compressors for low-temperature service

Mubarak, S., Bharat Pumps and Compressors, Ltd.

The writer calls on design and process engineers to take extra precautions when selecting and sizing their reciprocating compressors for low-temperature gas service.

HP Reliability: Consider best-of-class lubrication practices

Bloch, Heinz P., Hydrocarbon Processing Staff

Last month’s column explained that all hydrocarbon processing (HP) facilities use machinery, and these machines require lubrication. Periodically auditing one’s lubrication practices is part..

HP Reliability: Rethink your auditing of lubrication practices

Bloch, Heinz P., Hydrocarbon Processing Staff

All hydrocarbon processing industry (HPI) facilities use machinery, and every one of these machines requires lubrication of some type. Modern, profitability-minded plants thoughtfully manage their lub..

HP Engineering Case Histories: Case 69: Heat-up rate and rubs on a steam turbine

Sofronas, A., Consulting Engineer

This column has suggested using simple analytical models to troubleshoot equipment. However, in some cases, a more detailed solution may be required. The following case histories examine the heat up o..