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HelicopterOff Topics › Gulf Rig Explosion
06-04-2010 08:14 AM  7 years agoPost 201
spaceman spiff

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Tucson

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30 psi will not do anything, first you have to overcome 2200 psi of water pressure at the bottom of the ocean before you can pump up anything..
2200 PSI is correct - if you are trying to overcome that pressure from the surface with a gas in a tube that has no mass.

if you replace that weightless gass in the tube with salt water, you get a giant beer funnel that produces its own 2200 PSI before you even add a pump.... pour something dense into the beer funnel like mercury or politicians and the blader would explode and or split the pipe.

Only thing you have to overcome is the RELATIVE pressure from the oil to the water at that depth. If the oil is 2230 PSI and the water is 2200 the difference is 30 PSI. That is what has to be overcome to stop the flow.

Same thing is true for a pump placed at 5000 feet. what goes into the pump is already 2200 pounds before the pump even starts turning. (pumping water into the bladder)

Disclaimer: i don't know the oil pressure, it seems neither does BP, but safe to say the 2200 PSI water pressure is not the problem with the bladder idea.

Could it work? maybe, maybe not. I sincerely hope we don't get the chance to find out.

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06-04-2010 09:54 AM  7 years agoPost 202
nitro fun

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Oc ca

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the oil is over 5000psi out of the pipe, 2030psi will not stop it.

if the riser is 20", then place a 40" pipe on top with a flange that will seal, and it will lower the psi of the oil to a more manageable level. but they are trying to put on a upside down funnel which will increase velocity of the oil, i dont know the size of the outlet, but the live video dont look good.

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HelicopterOff Topics › Gulf Rig Explosion
06-04-2010 12:30 PM  7 years ago •• Post 203 ••
spaceman spiff

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Tucson

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OK,

Getting back to the beer funnel / bladder, you can get over 29,000 PSI if using mercury ( .491 PSI / inch of mercury. times 5000 feets times 12...) admittedly a risky idea, but thats what the potential is

Not sure what to build it out of though.

kinda bums me out they gave up on the clean cut so quickly, after wasting so much time on the mud.

5000 PSI? if so, we're screwed.

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06-04-2010 12:50 PM  7 years agoPost 204
SSN Pru

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uuhh, I don't think you want to use mercury...

Stupidity can be cured. Ignorance is for life!

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06-04-2010 01:05 PM  7 years agoPost 205
spaceman spiff

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Tucson

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Agreed.

what else is denser than salt water and fluid at cold temperatures? Must be something. fine mud in oil?

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06-04-2010 01:10 PM  7 years agoPost 206
SSN Pru

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Taxachusetts

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drilling fluid is denser than sea water. That's why they use it when drilling a well in lieu of seawater (they also use it to lube the drill). Interestingly enough, a survivor from the Deepwater Horizon claims that the drilling mud was removed from the well bore before the third cement plug was in place and that the mud was replaced with seawater. The survivor claimed that this was one of the mis-steps leading to the blow out.

Stupidity can be cured. Ignorance is for life!

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06-04-2010 01:52 PM  7 years agoPost 207
fla heli boy

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cape coral, florida

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it will be interesting to see what (if any) information comes out as to the mistakes and reasons that caused all of this.

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06-04-2010 04:33 PM  7 years agoPost 208
GyroFreak

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Orlando Florida​...28N 81W

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I just got back to watching the videos and it looks like they have something over the BOP. Anybody have any updates on whats happening ????

I think about the hereafter. I go somewhere to get something, then wonder what I'm here after ?

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06-04-2010 04:40 PM  7 years agoPost 209
Metalizer

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Canton, Ohio

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...

Can someone please tell me why they can not unbolt the flange and replace with a new one with a valve or riser allready fitted?

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06-04-2010 05:19 PM  7 years agoPost 210
Jawbone44

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Spring, TX

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I just got back to watching the videos and it looks like they have something over the BOP. Anybody have any updates on whats happening ????
They put a "cap" on it last night. They are currently using it to pump oil to the surface. The oil still pouring out is coming from vents on the side of the cap that they are closing in succession to prevent more crystals from forming.

"Some problems don't have solutions, only outcomes" --Isaac Asimov

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06-04-2010 06:18 PM  7 years agoPost 211
spaceman spiff

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Tucson

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Wish they had mentioned the vents. from the video link, looked like a total failure last night.
Can someone please tell me why they can not unbolt the flange and replace with a new one with a valve or riser allready fitted?
good question.

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06-04-2010 06:31 PM  7 years agoPost 212
11290

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Evansville, IN and​Orlando, FL

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Can someone please tell me why they can not unbolt the flange and replace with a new one with a valve or riser already fitted?
Wondered and posted elsewhere, that same question. People keep saying that there is a drill pipe in the inside of the piping but now that it is cut off along with the pipe, just make up a flanged spool piece with a valve on top and set it on the existing valve flange. Somewhere I'm just missing out on what the situation is.

The other thing, they had the large box in place early on and had problems with ice crystals in the delivery pipe. Now I'm not sure if this is possible or not but, why not just put the box back over the BOP and pump the entire box full of concrete and encase the BOP and all. Surely there would be enough concrete to offset the well pressure. This would allow time at least, for the other wells to be completed.

I've had experience placing underwater concrete but obviously not to that depth. We only placed down to about 120'. Definitely not the same as 5000' but surely it can be done if they were going to concrete the BOP after pumping in all the mud.

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06-04-2010 07:57 PM  7 years agoPost 213
Rappy 60

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Paris, France

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The other thing, they had the large box in place early on and had problems with ice crystals in the delivery pipe. Now I'm not sure if this is possible or not but, why not just put the box back over the BOP and pump the entire box full of concrete and encase the BOP and all. Surely there would be enough concrete to offset the well pressure. This would allow time at least, for the other wells to be completed.
You have to be careful not to breech the well head. Concrete can put side pressures against the well bore and cause it to crack close to the well head. That would be a disaster. You also have to kill the well first before cementing as oil will contaminate the cement.

One other thing to worry about is corrosion. This well has been gushing uncontrolled for well over a month. All that time sand and rock have been coming up with the oil through the well bore.

Dale

Load "*",8,1

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06-04-2010 11:36 PM  7 years agoPost 214
spaceman spiff

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Tucson

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You also have to kill the well first before cementing as oil will contaminate the cement.
... so is the mud and golfball trick a common procedure?

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06-05-2010 12:01 AM  7 years agoPost 215
Rappy 60

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Paris, France

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so is the mud and golfball trick a common procedure?
Using drilling mud is a common procedure. Golf balls are not. The reason they used golf balls is to block the flow of oil. The mud is used to push the oil/gas back down the well bore.

Dale

Load "*",8,1

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06-05-2010 03:00 AM  7 years agoPost 216
EvoFlight50

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Southbury, CT

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One of our biggest natural disasters ever and our second in command is ........ having a ball at the Flyers game.

Great country we live in.

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06-05-2010 03:11 AM  7 years agoPost 217
philip 01

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ft worth

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6 1/2 more years.

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06-05-2010 04:23 AM  7 years agoPost 218
Metalizer

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Canton, Ohio

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...

http://www.huffingtonpost.com/2010/...i_n_590635.html

I dont think these IDIOTS ever used a funnel to change there car oil. Theres something realy fishy going on here. No buddy is this stupid. To think you could run such high volumes of thick fluid up a few tiny leach lines without a seal. A bucket. That heavy bucket keeps rockin so they just keep making things worse. BP needs to stick with what they know how to do. Push Paper. And let the tooling industries take over.
The United States better take this off the hands of these people that dont have a clue. Seize There Equipment and hire there good personal that knows what there doing but probably is to scared to say anything.
If they bust that BOP up and keep missing the relief wells, theres a very frightening chance that half the Gulf will be in Flames.

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06-05-2010 04:26 AM  7 years agoPost 219
Dennis (RIP)

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Oregon

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Seize There Equipment and hire there good personal that knows what there doing but probably is to scared to say anything.
Why would anyone be scared of saying anything here in the USA?

We have more big mouths here than anywhere else in the world.

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06-05-2010 04:28 AM  7 years agoPost 220
philip 01

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ft worth

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wonder what happens when moisture from the gulf turns in to rain and oil is mixed in with the rain water. hmmm.

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