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re: Assumption Parish sink hole environmental impact: Links in OP
Posted on 8/9/12 at 1:40 pm to Jester
Posted on 8/9/12 at 1:40 pm to Jester
quote:
You could probably inject it with some sort of cement, but it would be pretty complicated. In my personal opinion, they should be reviewing that as an option for adjacent mines. They may be able to cement in a few in close proximity to provide stability. The cement would need a similar specific gravity to the type of salt in the dome.
You are injecting into a cavern. where one get that volume of cement?
It is time to inject brine back into the well to equalize pressures. This is also a long shot. But it will fill the vaccum and stop a rush of fresh water from an aquifer or the surface from coming in and disolving more of the salt cavern. There is no way that I know of to fix a salt cavern you may be able to slow the process down which would give the natural processes time to heal itself.
I'm not saying this will work, but it is a good place to start. in the mean time get some seismic shot and you will have a better understanding of the problrm at hand.
3
Posted on 8/9/12 at 1:51 pm to hardhead
And where would you get the brine from?
Posted on 8/9/12 at 1:59 pm to hardhead
The lower cavern was already filled with radiated H2O. The problem arose when they cut the casing in the cap and attempted to extend the life of dome and produce more brine. If that cavern is anything near the size of a SPR site cavern, it would take months of cement production to fill. Even brine would erode the walls to some degree, thats the reason for the diesel liner thats now floating. My greatest concern is the NORM waste they stored in the cavern. I have no desire to catch glowing green trout at the camp.
Posted on 8/9/12 at 2:00 pm to Nodust
drill a brine well ... or a bunch of brine wells.
not saying it is possible but that is where I would start looking. May be a brine pipeline nearby. Oil wells usually produce brine that is injected back into another formation, there is an avenue.
Not saying this is the awnser, just saying this avenue should be explored.
not saying it is possible but that is where I would start looking. May be a brine pipeline nearby. Oil wells usually produce brine that is injected back into another formation, there is an avenue.
Not saying this is the awnser, just saying this avenue should be explored.
Posted on 8/9/12 at 2:01 pm to Grassy1
quote:
The Advocate article that NoDust referenced is a MUST READ.
No coincidence on that resignation, indeed.
heads are going to roll before this is all over with.
This is going to be a bad deal for many people that haven't even been mentioned yet
Posted on 8/9/12 at 2:12 pm to tgrbaitn08
quote:
heads are going to roll before this is all over with.
This is going to be a bad deal for many people that haven't even been mentioned yet
And rightly so. That area has been having issues for months, and DNR had the paperwork from Texas Brine that they had integrity issues with that dome. The whole "we had gas bubbles coming up in Bayou Corne so we concentrated there" argument is a crock of shite. The pipelines can be inspected within days, wtf did they do the rest of the time?
Posted on 8/9/12 at 2:19 pm to KT70
quote:
That would be a lot of cement!
No doubt about it.
Posted on 8/9/12 at 2:22 pm to hardhead
quote:
It is time to inject brine back into the well to equalize pressures. This is also a long shot. But it will fill the vaccum and stop a rush of fresh water from an aquifer or the surface from coming in and disolving more of the salt cavern. There is no way that I know of to fix a salt cavern you may be able to slow the process down which would give the natural processes time to heal itself.
You can't inject back into that well. That would be like pouring brine into a lake. That well/cavern is collapsed. It's beyond saving. Your issue is saving the integrity of the entire dome. That's why they should be doing everything possible to strengthen the adjacent wells and caverns.
quote:
I'm not saying this will work, but it is a good place to start. in the mean time get some seismic shot and you will have a better understanding of the problrm at hand.
They definitely need to put some serious money into mapping that entire dome system and surrounding area.
Posted on 8/9/12 at 2:24 pm to Capt ST
quote:
DNR had the paperwork from Texas Brine that they had integrity issues with that dome.
Poor timing?
Posted on 8/9/12 at 2:29 pm to Jester
quote:
hat would be a lot of cement!
No doubt about it.
According to the Assumption Blog the cavern is about 2500 feet tall and 300 feet diameter
Powerpoint from Blog
ETA - Also from Assumption Parish blog
quote:
Today, DEQ monitored the atmosphere at the slurry site for radiation and no detectable amount of radiation was present.
This post was edited on 8/9/12 at 2:31 pm
Posted on 8/9/12 at 2:32 pm to Nodust
quote:
According to the Assumption Blog the cavern is about 2500 feet tall and 300 feet diameter
That's pretty big
Posted on 8/9/12 at 2:37 pm to LSU Tigershark
Damn, this has turned into a PETE master debater thread. Some decent ideas though. I would like to hear what the government or TX company have devised as a solution
Posted on 8/9/12 at 2:49 pm to Hammertime
Getting finances in order for settlements
Posted on 8/9/12 at 3:04 pm to LSU Tigershark
quote:
Getting finances in order for settlements
They better get ready.
Here is another question. The sinkhole is over 350' diameter and 400' deep. If no more sinking happens, what will become of the slurry spot? Will it solidify or will it be a small but deep lake?
Posted on 8/9/12 at 3:07 pm to Nodust
quote:
Today, DEQ monitored the atmosphere at the slurry site for radiation and no detectable amount of radiation was present.
It would be nice if they monitored the water at the site, as well. I guess no one is wanting to approach the hole. I sure as hell wouldn't want to be the one to take a sample.
Posted on 8/9/12 at 3:07 pm to LSU Tigershark
2.36 million cubic ft
plus 1/3 excess=3.14 million cubic feet of cement
salt makes cement cure faster so start from the bottom and stage it up.
i would love th get the comission on that job! haha
btw a cement truck holds 27 cubic ft of cement, so that is 116,268 truck loads (cement mixers)
houston we have a problem
plus 1/3 excess=3.14 million cubic feet of cement
salt makes cement cure faster so start from the bottom and stage it up.
i would love th get the comission on that job! haha
btw a cement truck holds 27 cubic ft of cement, so that is 116,268 truck loads (cement mixers)
houston we have a problem
Posted on 8/9/12 at 3:13 pm to hardhead
quote:Instant OB baller
i would love th get the comission on that job! haha
Posted on 8/9/12 at 3:13 pm to Nodust
quote:
Here is another question. The sinkhole is over 350' diameter and 400' deep. If no more sinking happens, what will become of the slurry spot? Will it solidify or will it be a small but deep lake?
Well, it isn't going to fill itself back in and solidify. It probably won't be a super deep lake, either. The critical angle of repose of that mud is not going to create a sinkhole like you typically see. Go see how high you can "stack" wet mud. That's what you're dealing with.
It's probably going to grow outward quite a bit as the walls of the hole collapse. It will continue to collapse until the mud settles at less than the critical angle.
It's hard for me to say much more without detailed information on the size and geometry of the hole, but that earth is almost certainly not done settling.
Posted on 8/9/12 at 3:14 pm to hardhead
quote:
btw a cement truck holds 27 cubic ft of cement, so that is 116,268 truck loads (cement mixers)
I'm thinking more drilling mud than quikrete.
Posted on 8/9/12 at 3:15 pm to Jester
Lets send Tino to scout for sacs 
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