Turbines

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..

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 News

Thinnes, Billy, Hydrocarbon Processing Staff

IChemE awards highest professional honor to Shell The Institution of Chemical Engineers (IChemE) awarded its highest honor to Shell in recognition of the company’s worldwide skills and profession..

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..

HP Engineering Case Histories: Case 80: Sudden temperature change in a centrifugal compressor

Sofronas, A., Consulting Engineer

A process upset occurred that caused the gas temperature of a centrifugal compressor to increase from the design condition of Tstart = 300°F to Tinf = 600°F in t = 0.25 hours. Some engineers..

HP Viewpoint: Optimize control systems with preventive maintenance

Parisi, P., Compressor Controls Corp.

Ensuring equipment integrity by conducting thorough maintenance provides multiple benefits, from maximizing machine uptime and minimizing process shutdowns, to prolonged equipment service life and imp..

HP Reliability: Things to know and do before starting new initiatives

Bloch, Heinz P., Hydrocarbon Processing Staff

HP editors frequently attend technical conferences to keep informed on the many factors impacting the hydrocarbon processing industry (HPI). The focus of these conferences often differs. However, one ..

Automate furnace controls to improve safety and energy efficiency

Mickity, D., Phillips 66

Furnace firing is the biggest single operating expense in any refinery. Consider a medium-size refinery (250,000 bpd) that consumes 2,000 MMBtu/h. At a cost of $5/MMBtu, that’s $87.6 MM/yr being ..

Use online conditioning to monitor electric motors

Wilhelm, B., GE Measurement and Control; Neti, P., GE Global Research Center

Quality and health assessments of motor insulation are important aspects during the manufacturing, as well as the operation, of electrical motors. Today, there are several offline insulation quality a..