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Started By
Message
What steps will they take from preventing this in the future?
Posted on 5/7/10 at 2:56 pm
Posted on 5/7/10 at 2:56 pm
Take note, I really know nothing about Oil Rigs except what I've read since this happened.
And in this thread I'm addressing the failure of the BOP, not so much what happened to the rig itself, cause I know nothing about that.
But it seems to me they could possibly put some Shut off valves on along the riser pipe. Maybe one every 1000 feet or so that would help with the situation that has occurred. I don't know if this would be possible or not. Obviously I'm sure when they get the relief well done and the well head capped they will bring the BOP up to examine why it failed, and make improvements based on those discoveries as well.
What do you ya'll think?
And in this thread I'm addressing the failure of the BOP, not so much what happened to the rig itself, cause I know nothing about that.
But it seems to me they could possibly put some Shut off valves on along the riser pipe. Maybe one every 1000 feet or so that would help with the situation that has occurred. I don't know if this would be possible or not. Obviously I'm sure when they get the relief well done and the well head capped they will bring the BOP up to examine why it failed, and make improvements based on those discoveries as well.
What do you ya'll think?
This post was edited on 5/7/10 at 3:12 pm
3
Posted on 5/7/10 at 3:00 pm to NATidefan
quote:
What steps will they take from preventing this in the future?
Step 1: Wait to find out what actually went wrong before asking this question.
Posted on 5/7/10 at 3:03 pm to NATidefan
Prevent what from happening? We don't know what happened. Until then you can speculate all you want but only time will tell. Let focus on the famlies of the missing 11, stopping the leak the cleaning this fricking mess up. Then they can worry bout what happened and how to prevent it.
Posted on 5/7/10 at 3:04 pm to Volvagia
quote:
Step 1: Wait to find out what actually went wrong before asking this question.
I agree... but minds ponder on Friday afternoons.
This post was edited on 5/7/10 at 3:05 pm
Posted on 5/7/10 at 3:06 pm to tgrbaitn08
quote:
Prevent what from happening? We don't know what happened. Until then you can speculate all you want but only time will tell. Let focus on the famlies of the missing 11, stopping the leak the cleaning this fricking mess up. Then they can worry bout what happened and how to prevent it.
fricking A dude, it was just a question. Lay off.
Posted on 5/7/10 at 3:07 pm to Volvagia
Valves on the riser would be of no use here as the drill pipe is still in the riser.
I would maybe think of putting some type of top kill access on the BOP.
I would maybe think of putting some type of top kill access on the BOP.
Posted on 5/7/10 at 3:08 pm to NATidefan
It's all good. I wasn't trying to sound hostile. Sorry bout that.
Posted on 5/7/10 at 3:09 pm to Oyster
quote:
Valves on the riser would be of no use here as the drill pipe is still in the riser.
I would maybe think of putting some type of top kill access on the BOP.
That makes sense. I hadn't heard the drill was still in the pipe.
This post was edited on 5/7/10 at 3:10 pm
Posted on 5/7/10 at 3:11 pm to tgrbaitn08
quote:
It's all good. I wasn't trying to sound hostile. Sorry bout that.
No prob, my apologies.
Posted on 5/7/10 at 3:18 pm to NATidefan
It's like asking what's to prevent Saban from being a nice guy again,,,, it never happens so what makes you think we need to prepare to stop it again?
Posted on 5/7/10 at 3:27 pm to NATidefan
Caveat: we DO NOT KNOW WHAT HAPPENED, but ...
I saw one suggestion somewhere that perhaps there should be 2 sets of BOPs spaced 10 or more feet apart on the sea floor. In that case, if one set of BOPs got jammed by thick downhole equipment coming up the hole, then the 2nd set should be far enough from the equipment jam to function properly to close the hole.
another suggestion has been to make cement bond logs (CBL) mandatory. it is a 360 degree sonic test of the final integrity of the cementing job. one post said that the CBL crew was on the rig to run the CBL, but that the BP guy sent them home that afternoon saying that the CBL job had been cancelled. I don't know if that's true, but I'll bet they wish they had run a CBL now.
I saw one suggestion somewhere that perhaps there should be 2 sets of BOPs spaced 10 or more feet apart on the sea floor. In that case, if one set of BOPs got jammed by thick downhole equipment coming up the hole, then the 2nd set should be far enough from the equipment jam to function properly to close the hole.
another suggestion has been to make cement bond logs (CBL) mandatory. it is a 360 degree sonic test of the final integrity of the cementing job. one post said that the CBL crew was on the rig to run the CBL, but that the BP guy sent them home that afternoon saying that the CBL job had been cancelled. I don't know if that's true, but I'll bet they wish they had run a CBL now.
Posted on 5/7/10 at 3:29 pm to Jaydeaux
quote:
It's like asking what's to prevent Saban from being a nice guy again,,,, it never happens so what makes you think we need to prepare to stop it again?
In the world we live in.......really? If there is one thing I can promise is they will try to figure out what happened and then go to extensive work on trying to prevent it from happening again.
Posted on 5/7/10 at 3:31 pm to gliterein
Do it right the first time! There were frickups in this situation that will all come to light and they will be tied to human error. Not all the problems were human error, but if everything would have been done correctly, I seriously doubt we are talking about this today.
Posted on 5/7/10 at 3:32 pm to the LSUSaint
I suspect that Saint is right about this.
Posted on 5/7/10 at 3:32 pm to NATidefan
I was j/k yes there will be mass panic over something that almost never happens. Love the nipples. That can cheer anyone up
Posted on 5/7/10 at 3:35 pm to gliterein
quote:
I suspect that Saint is right about this.
Probably so... it's usually the case. But I still bet they still put in more safety/prevention devices of some sort.
Posted on 5/7/10 at 5:30 pm to NATidefan
two sets of BOP's is sort of technically impossible at this point. a set of BOP's weighs about 500k lbs. going to two sets would be a total of 1,000,000 lbs sitting on the wellhead. this has the potential to put hellacious bending bending moments on the wellhead systems.
so in a case where the rig is pushed a little bit off location by high winds and seas under normal operations, you have an increased risk of snapping the wellhead off beneath the BOP stack -- and a worse mess than the one we're currently in. as there would be nothing left to latch back on to at the seafloor.
FWIW, i think the biggest regulatory changes will involve BOP autoshear/deadman systems and isolating productive intervals behind casing -- like having a mechanical barrier in addition to cement to provide long term isolation.
so in a case where the rig is pushed a little bit off location by high winds and seas under normal operations, you have an increased risk of snapping the wellhead off beneath the BOP stack -- and a worse mess than the one we're currently in. as there would be nothing left to latch back on to at the seafloor.
FWIW, i think the biggest regulatory changes will involve BOP autoshear/deadman systems and isolating productive intervals behind casing -- like having a mechanical barrier in addition to cement to provide long term isolation.
Posted on 5/7/10 at 5:52 pm to oilfieldtiger
The biggest surprise to me personally is that rig sinking.
I know alot can go on out there, but I would have lost a TON of money betting on that thing not sinking.
Which leads me to say this, in the furture, one thing that can be addressed is the construction of these monsters in a way that they can't sink.
I really don't believe this is a huge issue if the thing doesn't sink.
I know alot can go on out there, but I would have lost a TON of money betting on that thing not sinking.
Which leads me to say this, in the furture, one thing that can be addressed is the construction of these monsters in a way that they can't sink.
I really don't believe this is a huge issue if the thing doesn't sink.
Posted on 5/7/10 at 7:25 pm to the LSUSaint
Even if it doesn't sink, it has still lost power and the ability to hold itself in position.
Posted on 5/7/10 at 7:33 pm to the LSUSaint
quote:
one thing that can be addressed is the construction of these monsters in a way that they can't sink.
they are -- these rigs are loaded w/ water tight doors that automatically close in the event of a disaster, especially those leading into the legs and pontoon areas.
from what i understand, a big problem was that a number of these doors were severely damaged during the initial blast. furthermore, having a gas/oil fed fire buring for days on deck led to the deformation of the structure to the point that it became unstable.
and as the poster above me said, it would have eventually lost all power and drifted off location, likely failing a riser component near the surface, and leaving uncontrolled flow at the seafloor similar to what is happening now.
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