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BOP listing 12 degrees?

Posted on 6/24/10 at 11:11 am
Posted by jennBN
Member since Jun 2010
3235 posts
Posted on 6/24/10 at 11:11 am
Can someone who is not forcing a political agenda or someone without foil on their head please explain the significance of this? You O&G guys please weigh in...
Posted by Tchefuncte Tiger
Bat'n Rudge
Member since Oct 2004
60846 posts
Posted on 6/24/10 at 11:30 am to
This post was edited on 6/24/10 at 11:32 am
Posted by Debaser
Houma
Member since Jan 2007
850 posts
Posted on 6/24/10 at 11:47 am to
That's the thing they are worried about. The well pressure is causing the well to cave in. No way to stop this thing now.
Posted by jennBN
Member since Jun 2010
3235 posts
Posted on 6/24/10 at 11:48 am to
I knew what listing meant. I was curious of the significance in terms of well integrity. If the BOP goes on to its side what does that mean for flow rate and the relief wells?
Posted by Debaser
Houma
Member since Jan 2007
850 posts
Posted on 6/24/10 at 11:55 am to
The communication among the sectors of the well are not holding. It means that the hole is getting bigger and eventually will cave in. The releif well prob will not work because the "hole" will become a cavern. No way to pump enough mud down a small diameter hole to bottom plug the well. In short, listing is a bad, bad thing. The first sign that the releif well won't work.
Posted by jennBN
Member since Jun 2010
3235 posts
Posted on 6/24/10 at 12:00 pm to
quote:

The first sign that the releif well won't work.


I am worried about that. No one is saying much about it right now. If the well caves, and relief wells don't work, is there anyway to stop the oil? I feel like a roach on my back...
Posted by GM4UA
Mobile, AL
Member since Nov 2008
268 posts
Posted on 6/24/10 at 1:01 pm to
I believe that the BOP was pulled over about 10 degrees by the weight of the rig when it went down. It's been that way since the beginning.
Posted by Volvagia
Fort Worth
Member since Mar 2006
52483 posts
Posted on 6/24/10 at 1:12 pm to
quote:

BOP listing 12 degrees?


quote:

Can someone who is not forcing a political agenda or someone without foil on their head please explain the significance of this?


Oh shite
Posted by Volvagia
Fort Worth
Member since Mar 2006
52483 posts
Posted on 6/24/10 at 1:13 pm to
quote:

I believe that the BOP was pulled over about 10 degrees by the weight of the rig when it went down. It's been that way since the beginning.


I hope this is true.

And TBH, I think it is more likely this.
Posted by back9Tiger
Mandeville, LA.
Member since Nov 2005
16446 posts
Posted on 6/24/10 at 2:35 pm to
quote:

The well pressure is causing the well to cave in. No way to stop this thing now.



sigh....
Posted by Bussemer
Heading South
Member since Dec 2007
2565 posts
Posted on 6/24/10 at 2:53 pm to
quote:

The communication among the sectors of the well are not holding. It means that the hole is getting bigger and eventually will cave in. The releif well prob will not work because the "hole" will become a cavern. No way to pump enough mud down a small diameter hole to bottom plug the well. In short, listing is a bad, bad thing. The first sign that the releif well won't work.


You're going on the List as well.
Posted by PeaRidgeWatash
Down by the docks of the city
Member since Dec 2004
15210 posts
Posted on 6/24/10 at 3:05 pm to
What the former CEO of Shell Oil said was that the fear is that the listing of the BOP could be indicating that the well pipe in the earth may be deteriorating and that if this happens to the area where they want to tap in with the relief wells, doing so would be impossible and the worse case scenario is that the well could be spewing into the GOM for a decade or more. These transcripts reveal alot, but it is tedious to go through them... LINK
This post was edited on 6/24/10 at 3:06 pm
Posted by omegaman66
greenwell springs
Member since Oct 2007
24962 posts
Posted on 6/24/10 at 3:30 pm to
No expert here but this is my understanding.

The relief wells will intersect a little above the reservoir.

The well bore probably has a leak somewhere.

It is probably not near the bottom or the top kill would have worked.

The well holds up the BOP since the gulf floor is very muddy and will not hold up much of anything.

So the first part of the seafloor, from the seafloor down to about a few hundred feets (1000???)holds the well casing which then supports the BOP.

If the oil is pressuring out at the rupture it is possible that it could erode the earth around the bore hole.

If the upper part of the borehole has the geology eroded away the BOP will pull it over and the well will likely be shear beneath the gulf floor.

The well will then spew oil until the bottom kill can stop it.
Posted by genuineLSUtiger
Nashville
Member since Sep 2005
75892 posts
Posted on 6/24/10 at 4:11 pm to
Had an uncle who is working in the area tell me that it could take 5-7 years for the reservoir of oil to bleed out if the cave-in happened. He said you don't even want to know the effects that would have in the gulf region.
Posted by omegaman66
greenwell springs
Member since Oct 2007
24962 posts
Posted on 6/24/10 at 4:21 pm to
Ummm... I do want to know.
Posted by GM4UA
Mobile, AL
Member since Nov 2008
268 posts
Posted on 6/24/10 at 5:08 pm to
quote:

I hope this is true.


Weeks ago, when they showed one of the ROVs taking inclinometer readings, the cameras clearly showed the BOP inclined in the direction of the bent riser. I'd imagine that much stress would bend most anything.
Posted by jennBN
Member since Jun 2010
3235 posts
Posted on 6/24/10 at 7:05 pm to
So either it has been this way since the rig sunk, or it is the end of all life as we know it Hopefully the truth lies somewhere in the middle and these relief wells are successful.
Posted by tigerfan1974
Member since Dec 2009
607 posts
Posted on 6/24/10 at 7:18 pm to
The well can still be killed with the relief well even if the surface conductor caves in.
Posted by LSUthrilla
Baton Rouge
Member since Sep 2008
2099 posts
Posted on 6/24/10 at 8:11 pm to
quote:

The well can still be killed with the relief well even if the surface conductor caves in.


This is what I believe to be true as well unless I am not fully visualizing this properly.

You have the well bore down to the oil resivoir which is at a >>P than that of the surroundings which is why the oil is gushing out. Because of the violent nature of the expelled oil along with the entrained abrasive elements (ie sand etc) it is causing the well bore to erode away not cave in as one poster said. It would be impossible for the well bore to cave inward near the surface due to the large pressure differential.

Because all other methods have ceased to work, including the top kill method one can speculate the reason is because there is actually a leak somewhere between the casing of the BOP and that of the oil resevoir. What the relief well(s) intend to accomplish is to decrease the pressure differential between the oil resevoir and that of the leaky well bore.

Intuitively this makes sense that it would work it is just how long it will take to drill the relief well(s). Please feel free to critique what I have written as I have no first hand knowledge of what is truly taking place. Is this correct??
Posted by jennBN
Member since Jun 2010
3235 posts
Posted on 6/24/10 at 9:09 pm to
quote:

Is this correct??


I hope so! I am waiting to hear from the other experts...Tigerfred... etc.etc....
This post was edited on 6/24/10 at 9:10 pm
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