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Posted on 5/3/10 at 6:25 pm to shaunk128
quote:
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From the poli board ... someone posted a FOX news article about this and raised the question of the currents that far down ... and the pressure. How thick is the metal/steel and can it withstand the pressure 5000 feet down?
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quote:
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You are only looking at about 2,400 Psi of pressure acting on the outside of this cofferdam. The cofferdam can withstand this easily. Trust me these guys are not idiots and would not build something like this and not think of the pressures that the water will put on it at that depth.
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Once again. The cofferdam DOES NOT have to be able to withstand the pressure of the water at 5,000 feet due to it being open at the bottom. As it is lowered into the water and down to it's final location the internal pressure will equal the external pressure. Now if this cofferdam were completely sealed then yes, it would have to be capable of standing up to the pressure, but then again .. if it were completely closed .. you wouldn't be able to cover anything with it.
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From the poli board ... someone posted a FOX news article about this and raised the question of the currents that far down ... and the pressure. How thick is the metal/steel and can it withstand the pressure 5000 feet down?
--------------------------------------------------------------------------------
quote:
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You are only looking at about 2,400 Psi of pressure acting on the outside of this cofferdam. The cofferdam can withstand this easily. Trust me these guys are not idiots and would not build something like this and not think of the pressures that the water will put on it at that depth.
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Once again. The cofferdam DOES NOT have to be able to withstand the pressure of the water at 5,000 feet due to it being open at the bottom. As it is lowered into the water and down to it's final location the internal pressure will equal the external pressure. Now if this cofferdam were completely sealed then yes, it would have to be capable of standing up to the pressure, but then again .. if it were completely closed .. you wouldn't be able to cover anything with it.
This post was edited on 5/3/10 at 6:30 pm
Posted on 5/3/10 at 7:26 pm to Tigers58
Does anyone know the name of the dispersant that was used?
Posted on 5/3/10 at 7:42 pm to BROffshoreTigerFan
quote:
yep, i said this 4 days ago and got nailed for it.
I think what you were saying that got so bashed 4 days ago is that every company should plan and equip themselves for every potential bad turn that may arise. What you were saying wasn't feasible.
Nope - "THEN the "dome" they are talking about that takes weeks to be put in place should already be placed in reasonable promity to the oil rigs to where they can simply be moved within a few days to these disasters. Or "relief" wells should be automatically put in place."
Thats what I said. What you are remembering are what the idiots after me said I said.
Posted on 5/3/10 at 7:51 pm to jeffsdad
quote:
Or "relief" wells should be automatically put in place
This part is pretty idiotic FYI.
Posted on 5/3/10 at 8:15 pm to jeffsdad
100 million to drill the well.
They are not gonna drill two for a just in case.b
Posted on 5/3/10 at 8:17 pm to LNCHBOX
quote:
"relief" wells should be automatically put in place."
Agreed those automatic wells are the way to go. I mean why spend months moving to a well site, setting up, spudding and drilling a well when you can just automatically put one in place?
Posted on 5/3/10 at 8:28 pm to lsugradman
quote:
Agreed those automatic wells are the way to go. I mean why spend months moving to a well site, setting up, spudding and drilling a well when you can just automatically put one in place?
Even better they can spud the relief well at the same time so both of them can blowout.
Posted on 5/3/10 at 8:28 pm to jeffsdad
It's been stated that these types of "buildings" exist and that they have been used before in this field, but not quite this environment. Never this deep and never for a leak like this.
Keeping that in mind, they couldn't use one that's already been built. They're having to have one specially made. I don't know the reason for this, and I know you don't know the reason for this. I can speculate that perhaps none of the ones in existence fit. Maybe there is rubble in the way that's preventing them access with the standard equipment. Who knows. Point is, even if they planned for everything, this still could have happened.
I'll let the few responses before me about the relief wells speak as to who the idiots are.
Keeping that in mind, they couldn't use one that's already been built. They're having to have one specially made. I don't know the reason for this, and I know you don't know the reason for this. I can speculate that perhaps none of the ones in existence fit. Maybe there is rubble in the way that's preventing them access with the standard equipment. Who knows. Point is, even if they planned for everything, this still could have happened.
quote:
Thats what I said. What you are remembering are what the idiots after me said I said.
I'll let the few responses before me about the relief wells speak as to who the idiots are.
Posted on 5/3/10 at 8:46 pm to BROffshoreTigerFan
Is the cofferdamn going to fit of the BOP?
If so arent they going to have to cut the riser off?
If so arent they going to have to cut the riser off?
Posted on 5/3/10 at 8:53 pm to BROffshoreTigerFan
quote:
Keeping that in mind, they couldn't use one that's already been built. They're having to have one specially made
THANKS! an answer.
Posted on 5/3/10 at 9:25 pm to jeffsdad
quote:From the pics on the USCG site it looked like they were modifying existing domes. One looked like they were cutting a slot in it to fit over pipe that's not on the bottom. Or maybe they were planning to sink it rather than tie off to a clump weight.
Keeping that in mind, they couldn't use one that's already been built. They're having to have one specially made
Also have to keep in mind that the rig (Disco Enterprise) also needs modifications. It's not designed to collect, store, offload crude in this manner.
I bet some Coonasses welders, fitter, and helpers are making some nice OT right now!
Posted on 5/3/10 at 10:13 pm to Taxing Authority
quote:
Also have to keep in mind that the rig (Disco Enterprise) also needs modifications. It's not designed to collect, store, offload crude in this manner.
I am not sure where you have heard this at. I have spent many days on the Enterprise while they were flowing wells back into thier hull. The discoverer Enterprise is capable of storing +/- 30,000 bbls with equipment to pump it off into other vessels.
Besides some pumps to assist in collecting the oil I dont think they will need any maijor modifications. They will be ready when the oil arrives.
Posted on 5/3/10 at 10:38 pm to shaunk128
quote:Bp's presser. Are they set up to take fluid from a pipe on the drill floor, as opposed to the well test manifold? Or maybe that's the plan?
I am not sure where you have heard this at.
This post was edited on 5/3/10 at 10:40 pm
Posted on 5/3/10 at 11:01 pm to Taxing Authority
can someone with oilfield experience give me some good reasons as to why the cofferdam WOULDN'T work?
looking at the physics of the thing, it seems like it should work just fine as long as placement goes relatively according to plan, but then i'm not an engineer.
looking at the physics of the thing, it seems like it should work just fine as long as placement goes relatively according to plan, but then i'm not an engineer.
Posted on 5/3/10 at 11:44 pm to Decatur
quote:
Does anyone know the name of the dispersant that was used?
I agree with this guy:
"And what about the toxicity of the dispersants? Riisgard and Charter have different views. "The 'second' and 'third generations' of dispersants are not toxic," Riisgard wrote in his email. I'd like to assume that authorities in the Gulf are using nontoxic dispersants; it would be nice if they would disclose that information."
I know the government signed off on it, but it would be nice to know what they're dumping massive amounts of into the water besides oil. Not saying it's a bad faith move, but the public deserves to know.
What's in it?
Posted on 5/4/10 at 2:16 am to BROffshoreTigerFan
quote:
There was a guy on the board that was within 20 or 30 miles of the rig fishing when it exploded. They went over and helped out looking for survivors and doing anything they could do. He had posted in the first sticky thread we had about the explosion. I don't recall who the poster was or anything. I wonder if this was him and his friends?
Posted by spacewrangler - 4/22/10 at 8:44 a.m - The guy 30 miles out.
Posted on 5/4/10 at 2:52 am to tigerdup07
(no message)
Posted on 5/4/10 at 5:52 am to yurintroubl
quote:
yurintroubl
Thanks for that. I wanted to give proper credit, but I couldn't find it. Hell, I was even wrong about the thread it was in.
And in response to the link about the dispersants they are dropping in, take that article with a grain of salt. At one point he says this:
quote:
And what precisely are they dumping? That's where the mystery comes in. "The exact makeup of the dispersants is kept secret under competitive trade laws," Propublica reports
He follows up with a gasp and an uppity tone.
What he said above is true, but the way he said it, is false. They won't provide the chemical compound, or makeups, or formula. That's patented and trade secret. But you can bet your arse they have an MSDS sheet on it if it's being transported and used in any way shape or form.
He's just another journalist who is spewing scare tactics in the form of stupidity.
Posted on 5/4/10 at 6:09 am to BROffshoreTigerFan
I read or heard there are 7 other rigs "like" this one that exploded. Are they speaking of rigs that are in very deep water or structured like this one? or both?
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