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Process Engineering Stories

Hydrogen Transition #1

There has been a lot of dialogue and discussion lately on transitioning to hydrogen from natural gas. Much of this discussion is centered on reusing

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Adding Value #26

Doing what we do best. When we are onsite we are always looking out for problems with control logic that is causing equipment problems. Here

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Adding Value #25

Quality control /assurance is sometime taken for granted. After all there is a minimum level of confidence that we expect in terms of quality from

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Adding Value #24

A client was evaluating a used plant for an expansion project. Of course it was advertised as a great deal, much less than a new

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Adding Value #23

Another recent client problem we were able to troubleshoot successfully dealt with a TEG dehydration system. The lean TEG out of the regenerator (reboiler) never

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Adding Value #22

We performed an investigation for a client who had recently had a serious incident. Their wells flow through a sand separator before going through a

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Adding Value #21

About a year ago we did a plant evaluation for a client. One of the major findings was that to match the data we had

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Adding Value #20

It’s amazing how some problems keep repeating themselves. That’s where the RCE experience and expertise comes into play for our clients. Recently a gas plant

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Adding Value #19

Here at RCE, some times we’re so good at our job that we cost ourselves business. We had been engaged in designing a new Trans-Mix

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Adding Value #18

The RCE “rule” is that you must have a pre-alarm before a shutdown. The reason for this “rule” is that it is imperative to give

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Adding Value #17

Inadvertent valve opening is a scenario that comes up time and time again during process hazards reviews. An example of why we spend the time

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Adding Value #16

Sometimes operations have to make adjustments to account for issues with equipment performance. One recent example was a GSP type of gas plant that had

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Adding Value #15

Garbage in equals garbage out. That’s an old saying but it still applies to many things. In this case it relates to trying to define

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Adding Value #14

A gas plant was utilizing all their residue compressors to process 200 MMSCFD when it designed to have one as a spare. RCE engineers took

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Adding Value #13

Interesting optimization finding. A gas plant was operating in what appeared to be pretty good shape. Ethane recoveries were right around 90%, which are not

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Adding Value #12

A new plant was started up recently and instead of getting ethane recoveries in the mid 90% range as expected, recoveries were in the mid

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Adding Value #11

A few months after start-up a plant was having problems with high refrigeration condensing pressure. The first step was to get an analysis of their

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Adding Value #10

We recently visited a gas plant whose ethane recoveries were suffering. The plant personnel said they knew what the problem was and that was lack

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Adding Value #9

How does this get designed this way? How does this get through multiple reviews including PHA’s without being noticed? How does this get built without

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Adding Value #8

Client received EPC bids from two contractors. While the client was reviewing commercial terms, schedule, etc. RCE performed a technical review. RCE pointed out to

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Adding Value #7

Our client was notified by the NGL pipeline that they were going to be penalized for excessive methane (C1) in the NGL’s that were being

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Adding Value #6

RCE was involved with the design of a small refrigeration gas plant. In the span of a single week, RCE through its comprehensive review of

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Adding Value #5

During a plant visit, RCE engineers noticed that the Refrigeration Economizer was operating at a pressure very close to that of the Refrigeration Accumulator. The

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Adding Value #4

Lawsuit against a pipeline company alleging that delivered gas to the facility was above the 7 lbs H2O/MMSCF specification. This caused the facilities regulators to

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Unreasonable PSV logic

RCE was supporting it’s client as owner’s process engineer on a large project. During early P&ID reviews RCE noted to the EPC Contractor that the

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Adding Value #3

RCE engineers visited a new client’s plant that was originally built as a Residue Recycle (RR) process around 30 years ago. At some point the

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Adding Value #2

During start-up, the column was flooding and carry-over was evident. The latent heat of evaporation of the liquids carried over caused severe problems with maintaining

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Adding Value #1

Prolonged bypassing of the expander in JT mode led to thermal stresses that caused a plate-fin heat exchanger to fail (cracked). Rather than installing the

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Kentucky Hydrocarbons/DPI

Performed preliminary engineering and cost estimating for expanding an existing 55 MMSCFD cryogenic gas plant to 65 MMSCFD and improving overall liquids recoveries. The new

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