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Started By
Message
re: Big boom and house shook in South EBR near Iberville line
Posted on 11/3/19 at 2:47 pm to TigerstuckinMS
Posted on 11/3/19 at 2:47 pm to TigerstuckinMS
quote:
We'll find out, but the EO molecule is a highly stressed ring that just wants to open up and react with shite.
That and a lot of the other stuff you wrote is the reason ethylene oxide (oxirane) is often used in FAE weapons.
0
Posted on 11/3/19 at 2:49 pm to udtiger
I live about 4 miles from Dow. Was sleeping in this morning and didn't hear it. My mom lives close to Dow. She heard it and her house shook, but had no idea what it was at first. Talked to some other people. All said it either woke them up or scared the shite out of them.
Posted on 11/3/19 at 2:51 pm to OweO
quote:
I live about 4 miles from Dow
quote:
by OweO
quote:Like, about 4 miles away from Dow too?
My mom lives close to Dow.
Come on man, we all know you live with your mom.
Posted on 11/3/19 at 2:55 pm to saint tiger225
quote:
Come on man, we all know you live with your mom.
She lives less than a mile from Dow. But sure.. I'll play along.
Posted on 11/3/19 at 4:06 pm to CheEngineer
Not what I was told by Shell I got the job for my company to take down the unit. It was quite profitable
Posted on 11/3/19 at 4:10 pm to supadave3
Valve shops specializing in PSV's perform these services including testing certification.
Posted on 11/3/19 at 4:32 pm to CitizenK
Posted on 11/3/19 at 5:32 pm to CheEngineer
That’s the presentation I ended up finding as well. I was wondering what the anti-fouling agent was the age through the elbow in 6 months causing the failure.
Posted on 11/3/19 at 6:35 pm to CheEngineer
Well that is fine but not what Shell engineers were telling us. They were saying it was a relief valve that failed. That is all that I'm saying. Shell maintenance staff who had been at Norco when the CCU blew up, were saying the same thing at Geismar in 2000, as well.
The one positive thing at Norco was that the site shutdown system did shut down each unit in exact sequence it was supposed to immediately after the explosion.
I was director of marketing for Kimmins, Houston office at the time. No, I am not an engineer, my degree was in chemistry.
The one positive thing at Norco was that the site shutdown system did shut down each unit in exact sequence it was supposed to immediately after the explosion.
I was director of marketing for Kimmins, Houston office at the time. No, I am not an engineer, my degree was in chemistry.
Posted on 11/3/19 at 7:31 pm to CitizenK
That’s cool no big deal just had never heard about it being an RV. That event is pretty widely shared across the industry as why you have to identify and design injection point mix points correctly. Also just a thought if it was the RV on the FCCU ovhd more than likely the vessel operated at 5-10 psig but was designed for 50 psig and to actually rupture that column would probably take over 100 psig which my guess would be pretty difficult to get there but again just a thought.
Posted on 11/3/19 at 7:36 pm to X123F45
What you mean all three?
Posted on 11/3/19 at 8:08 pm to CitizenK
quote:
Well that is fine but not what Shell engineers were telling us. They were saying it was a relief valve that failed. That is all that I'm saying.
I’m sure the info they were telling you was what you said, but I would trust OSHA report over word of mouth.
Posted on 11/3/19 at 8:19 pm to CheEngineer
That would be API 570 for design of injection points in pipelines.
API 570
The Shell Norco 1988 explosion was due to accelerated corrosion of an overhead vapor line from the depropanizer. They knew about the pipe wall loss with UT (ultrasonic thickness) measurements but thought it would last until the next shutdown.
An injection quill modification caused the corrosion to get worse at a point where they did not UT. A relatively minor change even when done with Management of Change but unfortunately the damage mechanism was not recognized.
API 570
The Shell Norco 1988 explosion was due to accelerated corrosion of an overhead vapor line from the depropanizer. They knew about the pipe wall loss with UT (ultrasonic thickness) measurements but thought it would last until the next shutdown.
An injection quill modification caused the corrosion to get worse at a point where they did not UT. A relatively minor change even when done with Management of Change but unfortunately the damage mechanism was not recognized.
Posted on 11/3/19 at 8:22 pm to MikeD
quote:Shell told him wrong. The report is correct. I know this because my son had to study the case carefully and in depth.
I’m sure the info they were telling you was what you said, but I would trust OSHA report over word of mouth.
I wish I could say more. You can take this to the bank.
Posted on 11/3/19 at 8:46 pm to CheEngineer
On the fractionator column which laid over in the explosion, not the cat cracker
Posted on 11/3/19 at 8:48 pm to Redbone
I'm not arguing with anyone only reporting what I was told.
Posted on 11/3/19 at 8:56 pm to CitizenK
quote:
cat cracker
That was my nickname when I used to play street basketball.
Well, technically it was Pussy arse Cracker.
Posted on 11/3/19 at 9:08 pm to paulie
quote:
The Shell Norco 1988 explosion was due to accelerated corrosion of an overhead vapor line from the depropanizer. They knew about the pipe wall loss with UT (ultrasonic thickness) measurements but thought it would last until the next shutdown. An injection quill modification caused the corrosion to get worse at a point where they did not UT. A relatively minor change even when done with Management of Change but unfortunately the damage mechanism was not recognized.
Thank you for this very informative posr
Posted on 11/3/19 at 9:39 pm to CitizenK
quote:It's all good. We just talkin. I'm just passing on something from someone close to the issue. Folks now know both stories.
I'm not arguing with anyone only reporting what I was told.
Posted on 11/3/19 at 9:48 pm to djangochained
quote:
What you mean all three?
Operators love to eat engineers, but that plant needs a few thousand more safety and engineering personnel.
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