Motors

Fine-tune monitoring of critical compressors

Loeken, J., PROGNOST Systems GmbH

In this case history, a new monitoring system was installed on a critical service hyper compressor for a Middle East (ME) ethylene complex. This unit supported two 400 Mton polyethylene (PE) units; do..

HP Reliability: Plan now to deal with stressed equipment later

Bloch, Heinz P., Hydrocarbon Processing Staff

The US Energy Information Administration’s (EIA’s) “Today in Energy” brief evaluated how US refineries are processing record amounts of crude oil (Fig. 1), with Midwest and Gulf Co..

How to select compressors for various process services

Geitner, F. K., Consultant; Bloch, H. P., Professional engineer

Every style or type of compressor was developed to serve a particular process purpose. Collective references have devoted hundreds of thousands of pages on this topic. Two books have attempted to summ..

Update on control and safety systems for turbomachinery

Staroselsky, S., Compressor Controls Corp.; Jacobson, W., McWhirter, J., Compressor Controls

All plant workers want to reduce the safety risk associated with turbomachinery operation while avoiding nuisance trips. The goal is to run machines in an efficient manner. In this context, safety ris..

HP Reliability: Can integrally geared compressors be successfully used with variable speeds?

Bloch, Heinz P., Hydrocarbon Processing Staff

A recent HP webinar answered a number of compressor-related questions. This same webinar also generated a few additional ones. A viewer thought that two statements from this presentation were in contr..

Raise profitability through continuous performance evaluations

Bhachu, U., Canadian Natural Resources Ltd.

Reliability engineers use a wide variety of tools to support plant equipment and to optimize unit uptime and availability. Sound reliability programs assist organizations to be more competitive in the..

Improve monitoring and troubleshooting of reciprocating compressors

Geitner, F. K., Consultant; Bloch, H. P., Professional engineer

The terms surveillance and monitoring for reciprocating compressors can be used interchangeably. With few exceptions, the monitoring and/or surveillance tasks are assigned to the unit operators. They ..

HP Project Management: Pipeline expansion uses rerating to debottleneck services

Piripavel, M., Schneider, S., Flowserve Corp.

The Colonial Pipeline connects refineries primarily on the US Gulf Coast with customer service markets across the southern and eastern US. In 2010, Colonial’s 5,500-mi pipeline was transporting a..

HP Innovations

Blume, Adrienne, Hydrocarbon Processing Staff

Boron technology mitigates metals contaminationAlthough tight oil has changed the landscape of North American refining, resid-type feeds continue to play a key role in the global FCC market, with arou..

Update on secondary seals for fluid machines

Bloch, Heinz P., Hydrocarbon Processing Staff; Carmody, C., AESSEAL plc

Elastomer-based O-rings are used as secondary sealing components in millions of fluid machines. Although O-ring seals are primarily intended for fluid containment between different but nonrotating com..