Piping
HRSG water/steam sampling: Do it right or face potential consequences
Many large industrial facilities—including refineries, and chemical and petrochemical plants—are increasingly turning to co-generation for process steam and power production.
The effects of highly corrosive fluids on valves and disasters that can be avoided
Some of the highly corrosive fluids in the oil and gas industry contain the following compounds: carbon dioxide, hydrogen sulfide, chlorides and moisture.
Use a simple vapor equation for sizing two-phase pressure relief valves
Pressure relief valves (PRVs) protect process equipment from the hazards of excessive over-pressure.
Reliability: When to consider liquid-ring compressors
Liquid-ring compressors (FIG. 1) use the centrifugal whirling of a sealing liquid to create a series of piston-like water columns to trap gas or vapor between the impeller cells of a rotor installed eccentric to its casing.
Business Trends: Non-OEM parts—Buyer beware
What is the harm in wearing a knock-off Rolex watch?
Investigations of high pressure drop observed in ASU columns
The measured pressure drop of columns in air separation units (ASUs) is often reported as being higher than the predicted pressure drop.
HP Flashback: Excerpts from the 1960s: Petrochemicals rise in prominence and new know-how in refining processes
Petrochemicals rise in prominence and new know-how in refining processes
Investigation and diagnosis of startup foaming issues at a new tail gas treater
In May 2021, Phillips 66 started up a new methyl diethanolamine (MDEA)-based tail gas unit at its Belle Chasse, Louisiana, refinery.
HP Flashback: Operations expand and technologies advance during global conflict: Excerpts from the 1940s
This articles details several case studies on the use of x-ray technology for inspection purposes. This includes for the inspection of casings, forgings and welded structures, among others.
Piping interface type selection
Most oil and gas process plant projects involve multiple work packages executed by different lump sum turnkey (LSTK) contractors executing work within their own package, with a final piping interface connection at an agreed boundary limit to accomplish the interface joint between two parties and successfully close the piping interface.

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