Environment & Safety Gas Processing/LNG Maintenance & Reliability Petrochemicals Process Control Process Optimization Project Management Refining

Goble, W.

exida LLC, Sellersville, Pennsylvania

HP Automation Safety: It is easier to sit on the couch than go exercise

exida LLC: Goble, W.

I like a routine each morning where I get up early and work on long-term projects—important tasks that lack the urgency of a short deadline, like reading that new safety critical systems book, wr..

HP Automation Safety: What are safety engineering ethics?

exida LLC: Goble, W.

In many professional engineer (PE) programs, continuing education is required. In some US states, this education includes specific requirements for engineering ethics training. The author recently att..

HP Automation Safety: MTTR: Reality vs. calculation

exida LLC: Goble, W.

Many reliability engineers trained before IEC 61508 know the acronym MTTR as “mean time to repair.” I certainly learned that definition. Naturally, I think of the time it takes to repair som..

HP Automation Safety: Maintenance capability: Does it matter in the long term?

exida LLC: Goble, W.

I remember working in a test department, where a particular technician, known as Mike, seemed to destroy a significant percentage of the equipment he worked on. Since he reported to me, I tried extra ..

HP Automation Safety: It’s all about the safety PLC—not!

exida LLC: Goble, W.

Focus on the big safety improvements and the real problems. This fundamental concept applies to many tasks in addition to functional safety.

HP Automation Safety: ‘Sticktion’: A dangerous failure mode

exida LLC: Goble, W.

I set a wet glass on the old wooden kitchen table at our home. It sat there all night. The next morning, when I went to grab the glass, it stuck to the table. Yes, this event has happened before. But,..

HP Automation Safety: The imaginary hacker

exida LLC: Goble, W.

Under recent economic conditions, it is understandable that a control-system cyber-security audit is not the top priority for many plant operators. Less staff due to layoffs and deferred maintenance c..

HP Control: Distillation column dual-temperature control-Part 1

Petrocontrol: Friedman, Y. Z.
exida LLC: Goble, W.

This editorial takes issue with a claim by Mr. Greg Shinskey that distillation dual-composition control cannot be done effectively by a multivariable predictive controller (MPC), but can be done effec..

HP Automation Safety: The ups and downs of mentoring

exida LLC: Goble, W.

Although it seems like old news to me, I have recently read articles describing an eminent engineering talent shortage. It could be real, especially considering the economic pain of the present enviro..

HP Automation Safety: Safety culture for operations and maintenance

exida LLC: Goble, W.

While recently analyzing failure records from different petrochemical plants, some interesting trends emerged from the information. A particular instrument model experienced significantly different fa..

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