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Maintenance & Reliability

HP Engineering Case Histories: Case 73: Useful troubleshooting tools to keep at hand

Consulting Engineer: Sofronas, A.

Over the past 45 years, the author has pursued troubleshooting machinery and pressure vessels. It has also been the subject of this column. The troubleshooting tools used in this endeavor have been an..

HP Innovations

Hydrocarbon Processing Staff: Blume, Adrienne

Training simulator to aid ethylene operatorsHyperion Systems Engineering has delivered to the Linde Group an operator training simulator (OTS) for ONGC Petro-additions Ltd.’s ethylene plant in Da..

HP Reliability: Gain more flexibility with special liners for reciprocating compressor cylinders

Hydrocarbon Processing Staff: Bloch, Heinz P.

By changing only the crank-end head, piston and rod assembly, the same cylinder body can be mounted on any of the common 5-in. to 7-in. stroke compressor frames that have been manufactured in the last five decades.

HP Automation Safety: Maintenance capability: Does it matter in the long term?

exida LLC: Goble, W.

I remember working in a test department, where a particular technician, known as Mike, seemed to destroy a significant percentage of the equipment he worked on. Since he reported to me, I tried extra ..

Rerating rotating equipment optimizes olefins plant performance

Elliott Engineered Solutions: Renard, D.

Rerating your installed compressors and steam turbines can become a cost-effective, time-saving solution for increasing throughput without having to invest in new equipment.

Investigate power limitations in a large steam turbine

Fluor Canada Ltd.: Ghaisas, N.

An investigation was carried out to rectify power limitations for a steam-turbine driver of a cracked-gas compressor (CGC) in a world-class ethylene plant.DescriptionThe turbine is a nine-stage, impul..

Seal safety may require going beyond typical standards

AESSEAL plc: Shaw, S.

Top industry professionals believe users must reach beyond typical standards in applying safer mechanical seals when hazardous and toxic chemicals are involved.

Prevent methane hydrate formation in natural gas valves

GE Oil & Gas: Glaun, A.  |  Shahda, J.

The discussion here focuses on the thermodynamics involved and on the requirements for a successful natural gas valve application in which the incidences of hydrate formation and icing of the valve are reduced.

Consider both actual and virtual spare parts inventory

Hydrocarbon Processing Staff: Bloch, Heinz P.

Globally, hydrocarbon processing industry (HPI) facilities operate hundreds of thousands of fluid machinery assets. The various service-specific internal components of these assets are supported by ma..

Flare header failure: An investigation

Suncor Energy Inc.: Tharakan, J.

A 60-in. flare header suffered three identical failures with buckling and cracking at the circumferential weld at the bottom of the pipe. The failures are believed to have originated during hot relief..