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Ok, when you have say that something is probably stupid
Posted on 6/3/10 at 4:20 pm
Posted on 6/3/10 at 4:20 pm
then it probably is but I'm going to ask it anyway. Is there a flange that connects the riser the BOP and can they not unbolt it or cut the bolts to give them a clean connection to the Top Hat?
I have a can of WD40 and ball-peen hammer if they need it.
I have a can of WD40 and ball-peen hammer if they need it.
Posted on 6/3/10 at 4:22 pm to Schwaaz
no shite huh
Need one like this except big as a volkswagen.

Need one like this except big as a volkswagen.
Posted on 6/3/10 at 4:25 pm to meauxjeaux2
If the saw can cut the riser then can it not cut bolts?
We (public) own an auto manuf. maybe they can build one big wrench the size of a Volkswagen but the warranty will be shitty.
We (public) own an auto manuf. maybe they can build one big wrench the size of a Volkswagen but the warranty will be shitty.
This post was edited on 6/3/10 at 4:28 pm
Posted on 6/3/10 at 4:27 pm to Schwaaz
I was wondering the same thing, then bolt on another BOP and close the valves
Posted on 6/3/10 at 4:28 pm to Schwaaz
Well I know when I worked on jack-ups and we had to nipple up lots of riser spools hanging from a riding belt we would often use a hydraulic hammer wrench. Of course those weren't designed for use in water. I've wondered if they have something similar that is rated for use in 5,000 feet of water. It would be one hell of a hydraulic line from surface.
Posted on 6/3/10 at 4:32 pm to redstick13
I'm not sure what that flange on top the BOP is rated for though. It would likely need to be rated for 15,000 psi.
Posted on 6/3/10 at 4:34 pm to redstick13
Just hook a new riser to it and let the oil rise into a tanker? No need to stop the flow if they get a clean connection with no water coming in.
Posted on 6/3/10 at 4:57 pm to Schwaaz
I was referring to someone who mentioned bolt another BOP on. I'm with you on bolting another riser on. There must be a reason they aren't going that route tho.
Posted on 6/3/10 at 5:03 pm to redstick13
my guess is gubermet time 
Posted on 6/3/10 at 5:13 pm to jeff967
Since none of us really know what the seal system they have looks like we're all taking stabs in the dark. It would not be very easy to land a flange on that other flange from a floating structure above. It would be bouncing all over and I could only imagine how hard it would be to stab a flange from 5,000 feet away on a boat and line the holes up.
Posted on 6/3/10 at 5:39 pm to redstick13
Unbolt that leftover riser flange without binding and pull it down with allthread.
But again I defer to redstick. What is the torque on those bolts. Can they be removed with the tools available?
I'm shady tree. Even though I worked in manufacturing for 25+ years with a BS in Biology from UGA. Go figure.
I want this spill stopped as well as the next guy and one thing I have learned from my working experience, is that there is NO STUPID SUGGESTIONS.
Initially, yeah, they can be stupid, but it starts people thinking. Ok, I never looked at that as a problem or I never looked at it that way...How about.....
A good engineer has bigger ears than ego.
An aside. This works great when you deal with inanimate processes and systems. Applying it to social issues is asking for trouble.
Posted on 6/3/10 at 5:43 pm to nuwaydawg
I'd estimate the torque on those bolts to be around 10,000 ft/lbs.
Posted on 6/3/10 at 6:09 pm to redstick13
quote:
I'd estimate the torque on those bolts to be around 10,000 ft/lbs.
120,000 inch/lbs.? I can't imagine.
Posted on 6/3/10 at 6:22 pm to redstick13
quote:
I'd estimate the torque on those bolts to be around 10,000 ft/lbs.
Could they be cut off?
I admit Schwaz, I wondered the same thing. And if they could attach another BOP, why not instead just bolt on a super-high pressure valve and shut it there? I know there are probably lots of reasons on why they can't do it, but sitting here watching the diamond cutter the other night and seeing that close up of that flange and bolts, I couldn't help but wonder.
This post was edited on 6/3/10 at 6:25 pm
Posted on 6/3/10 at 7:25 pm to redstick13
quote:
Since none of us really know what the seal system they have looks like we're all taking stabs in the dark. It would not be very easy to land a flange on that other flange from a floating structure above. It would be bouncing all over and I could only imagine how hard it would be to stab a flange from 5,000 feet away on a boat and line the holes up.
and you forgot the most important issue. Fluid is flowing out of the well with at least a 15000psi BHP. With the fluid being pushed out that fast, I would like to see you try and put something over it. The hydrostatic pressure above the seafloor is about 3000psi and that can't do anything to the flow. If you put anything right on top the BOP it is just gonna be blown off
Posted on 6/3/10 at 7:39 pm to Tigerstudent08
quote:
If you put anything right on top the BOP it is just gonna be blown off
You put it on there open and then when secured you can close it. It will hold because I am sure they would load it up with blind rams.
Posted on 6/3/10 at 7:44 pm to offshoretrash
The ID on a BOP is very small, especially compared to the OD. It has to much surface area so the fluid would make it impossible to sit directly on top. And then you have to get a gasket in there and line all the bolt holes up. Putting flanges on is tough enough on the rig floor, I cant imagine how hard it would be at 5000 ft and using ROV's with fluid pouring out
Posted on 6/3/10 at 8:02 pm to Tigerstudent08
At 700,000lbs it would sit there but it would be very hard to do this.
Posted on 6/3/10 at 8:06 pm to offshoretrash
700,000lbs?!? What BOP weighs 700,000lbs? and where do they get a crane that can lift this much? I am out on Petronius and neither of their cranes can lift this type of weight
Posted on 6/3/10 at 8:10 pm to Tigerstudent08
Seems you could run guide wires through several of the bolt holes and guide it. Nothing's easy and we are just yapping about ideas.
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