Maintenance & Reliability
Cracking in C3 cut/propylene Horton spheres
Here's how the problem was diagnosed and solved
Analysis of pressure increase during filling of pressurized LPG storage systems
Use this method to determine when a vapor handling system is needed
Increased plant safety puts focus on tank gauging
Safety integrity level requirements are now being incorporated
HP Reliability: Consider screw compressors with a reliability focus
 In 2007, an engineer at a mid-western US refinery commented on flooded screw compressors. He said, "Every industrial service I have seen has had issues with oil contamination of the flood oil in..
Improve pump reliability with advanced composite wear rings
The results were reduced vibration and seal leaks at this plant
Sound-based predictive maintenance: a cost-effective approach
An electronic stethoscope, digital recorder and computer program can detect and diagnose many incipient equipment failures
Ultrasonic flowmeters improve delayed coker reliability
A US refiner significantly reduced flowmeter maintenance costs and improved safety by changing to ultrasonic flowmeters for coker furnace feed flow. A second refiner chose to install ultrasonic meters from the start.
Improving decoking water system reliability in delayed coker units
Here's how the erosion and corrosion problems were solved
Mechanical seals and energy efficiency
Savings can be realized by using the most suitable API seal flush plan
Case 44: Cracking due to sudden temperature changes in piping
Excessive thermal stresses can be the cause
- Ketjen announces pricing adjustment for hydroprocessing catalysts effective January 15, 2026 1/9
- Germany's Uniper nears agreement to buy green ammonia from India 1/9
- Digital Exclusive—Valve maintenance: An open and shut case? 1/9
- Serbia's Russian-owned NIS refiner buys first crude since U.S. sanctions waiver 1/9
- U.S. refiner Marathon Petroleum says it will be bidding for Venezuelan crude oil 1/9
- Shell flags chemicals and products unit loss, raising doubts over $3.5 B buyback 1/8
