Environment & Safety
Prevent methane hydrate formation in natural gas valves
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.
Optimize vacuum ejector operations
Vacuum distillation unit (VDU) designs generally involve jet ejectors due to their low capital and operating expenses, high reliability, durability and simplicity. Once the ejector is installed and co..
HP Viewpoint: Consider integral-gear compressors in CO2 services
In 1998, the author began researching suitable technology for compressing 95 MMSCFD of “bone dry” (–100°F dew point) carbon dioxide (CO2) from 16.7 psia to 2,710 psia. The compress..
HP Industry Perspectives: US-based ultra-low-sulfur gasoline rule released
In late March, the US Environmental Protection Agency (EPA) released the long-awaited ruling for ultra-low-sulfur gasoline, also known as the Tier 3 rule. This proposed rule lowers the sulfur content ..
HP Impact: Poll says US citizens want more solar, wind and natural gas
No fewer than two in three US citizens want the country to put more emphasis on producing domestic energy using solar power (76%), wind (71%) and natural gas (65%). Far fewer want to emphasize the pro..
HP Innovations: Innovations
Membrane element improves gas processingUOP's new Separex Flux+ membrane element is designed to increase natural gas processing capacity, compared with existing technology, allowing producers to captu..
Overflow systems are the last line of defense
The overflow system is the last line of defense against the excessive container filling. An overflow system consists of an overflow nozzle with internal and/or external piping and, in some cases, a si..
Enbridge offers online training to first responders on pipeline emergencies
The online training program features 3-D, interactive graphics to help first responders better visualize response to pipeline incidents. Content includes the basics of gas and crude pipeline operations, how to safely handle products transported by pipelines and emergency response tactics.
Union workers threaten strike at ExxonMobil refinery in Baytown
About 850 union employees could halt work on June 15 at the 584,000-bpd refinery unless new contract language is agreed to. The USW has raised concerns about safety in Baytown since June 2011, after a worker suffered burns on 25% of his body because of a problem with a steam vent valve.
Neste Oil to upgrade heaters at Porvoo refinery
As part of the investment, fired heaters at the refinery's crude distillation unit will be replaced with new-generation heaters, which Neste says will help ensure more consistent, incident-free operations at the site and yield annual energy savings worth an estimated €4 million.
- Valero Energy Q4 profit beats estimates; shares surge 1/30
- Dow launches "Transform to Outperform" to raise the competitive industry benchmark for productivity and growth to enable improved returns 1/30
- Russian oil refineries' peak maintenance expected in January and September 1/30
- U.S. lifts some Venezuela sanctions to ease oil sales 1/30
- Keppel, Aster plan sustainable aviation fuel project in Singapore 1/30
- Boeing, Israel's Technion to develop sustainable aviation fuel, as sector grapples with 2050 goal 1/30

