Engineering & Design

Metallurgy solution to prevent polythionic acid stress corrosion cracking in hydroprocessing

Hoehn, R. K., Bradley, S. A., M. W. Mucek, Honeywell UOP; Anada, H., Osuki, T., Nippon Steel and Sumitomo Metal Corp.

Hydrotreating is a staple process found in nearly every refinery. The process removes undesirable feed contaminants, such as sulfur, nitrogen and metals, and saturates olefins and/or aromatics to produce high-quality products.

Editorial Comment: It’s all in the makeup of things

Nichols, Lee, Hydrocarbon Processing Staff

This issue of Hydrocarbon Processing features a topic that has been addressed in sections of the magazine for several decades, but has never been a focal point of the publication. That topic is materials manufacturing.

Evaluate structural stiffness for piping stress analysis

Choudhury, M. G., Tripathi, R., Reliance Engineering Group (REG)

Hydrocarbon plants use a system of pipes of various sizes, pressures and temperatures. Sometimes these pipes have pulsating flows that result in piping system vibration. These piping systems must be designed for a high degree of reliability, which requires a comprehensive piping stress analysis for thermal, sustained, occasional and dynamic loading conditions.

Consider pitot tube pumps for low-flow, high-head applications

Alshaye, A., Saudi Aramco

Low-flow, high-head pumping requirements in refining and petrochemical plants make up less than 2% of the total pump population. This minor percentage is creating significant reliability concerns, which result in low mean-time between failures (MTBF), as well as high maintenance costs.

Borealis awards Jacobs FEED contract for PDH plant in Belgium

DALLAS — Jacobs Engineering Group Inc. has been awarded a contract to complete a front end engineering design (FEED) study for a propane dehydrogenation (PDH) plant located at the existing Borealis production site in Kallo, Belgium.

Curacao nixes refinery operation deal with China firm

(Reuters) — The government of Curacao has scrapped a preliminary agreement with China’s Guangdong Zhenrong Energy (GZE) to operate the island's aging Isla refinery, saying the company misrepresented itself and was unable to take on such a large endeavor.

Chevron Phillips ethane cracker at Cedar Bayou hits milestone

​Chevron Phillips Chemical Company LP announced that its world-scale ethane cracker at Cedar Bayou in Baytown, Texas successfully achieved the major milestone of mechanical completion.

Engineering Practices—CAD for plant layout: Being right by being safe

Trivedi, U. B., Hitech iSolutions LLP

When we think of oil and gas industry hazards, we often perceive them as an enormous oil rig engulfed in flames in the middle of nowhere.

Engineering Case Histories—Case 99: Pooling knowledge and experience builds personal and team success

Sofronas, A., Consulting Engineer

With the help of an excellent mentor, I became adept at analyzing equipment and structures at the start of my career, using analytical techniques.

Incorporate assurance into an operational readiness program—Part 2

Picheo, G., Reed, W., Jacobs Consultancy

Investors have a critical need for assurance that the asset they are invested in will achieve continuous operation at the designed rates, as well as meet—and hopefully surpass—reliability, availability and maintenance targets safely.