When the Cochin pipeline stopped delivering propane into the U.S., Minnesota-based Alliance Midstream established a new rail-supplied facility.
Software can provide a powerful and easy tool to predict machine operation under different conditions.
New regulations challenge oil and gas producers to optimize operations, and oil-free reciprocating gas compressors can help.
One of the critical parameters in compressor design and selection is the compression ratio, often denoted as r. The compression ratio is simply the ratio of the absolute stage discharge pressure to...
 When long-time pump users enter the compressor world, they must leave behind familiar flow terms, like GPM, GPH, BPH, etc. and embrace new terms, like SCFM, ICFM, CFM and ACFM, which define the...
A Note from Robert X. Perez: Welcome back to Compressor University! Here is the second installment from the Atkins, Hinchliff and McCain article. This month they continue their review of...
Pumps & Systems, February 2009 Computer simulations of pumps and compressors can now serve the same function as hardware testing. These simulations can be done in less time with less cost...
A note from Robert X. Perez: Welcome back to Compressor University!  We are constantly asked to push our machinery a little harder. The days of underloaded, overdesigned machines have gone...
Pumps & Systems, December 2008As the need to increase efficiency and meet lower emissions requirements puts pressure on gas turbine operators, they look for innovative solutions that do not...
Most energy engineers realize the high cost of energy that extra horsepower air compressors waste while trying to maintain pre-set air pressures. They also realize the cost of leaks in their nitrogen,...
A Note from Robert X. Perez: Welcome to this month's installment of Compressor University! We are frequently asked to guess the answer to challenging machinery condition questions such as:   ...
Overall vibration trending is excellent for monitoring rotating machinery health, but not generally effective for tracking reciprocating compressors. A new generation of Reciprocating Machinery...
Pumps & Systems, November 2008Seven considerations for selecting the proper heat transfer fluid.1. Service TemperatureConsider the service temperature of the fluid, since the thermal stability...
Temperature as Indicator of Bearing Operating Condition
Pumps & Systems, September 2008 A note from Robert X. Perez: Welcome to this installment of Compressor University!Most high-speed centrifugal compressors rely on fluid film bearings-such as...
Welcome to the first installment of Compressor University. The mission of this column is to educate readers in a practical manner about industrial compressor technology with an emphasis on efficiency,...
Pumps & Systems, November 2007 Propane refrigeration systems are often required in the natural gas processing industry to provide the required chilling in condensing heavy components for a...
A look at the role that liquid ring vacuum pumps and compressors play in the ethanol and biodiesel production process. Biofuels: Renewable Energy Sources The energy requirements of our society...