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Blowout preventer. are they an indication of methane? they're testing for that. the third problem is a small leak in the flange of the capping stack. that essentially is the bottom of the ceiling cap. and they don't seem too concerned about that. so, the government green lighted this test to go ahead for another 24 hours which takes us to about mid afternoon today. and we'll see if they get another 24 hours. but in the meantime, bp has announced yet another plan b. i call this one plan b to about the 20th power. it is called "static kill" and it is a version of top kill you'll remember. and es...

Putting a top flange on the blow out preventer and use it as an attachment point to seal the well. >> it was supposed to be snug. >> yep and it worked. it has sealed it. so it's curious as to how b.p. will ever retrace their steps to give this plumber credit because they did get so many suggestions. maybe we took one idea from here, one idea from this pot. one idea from our hotline. hard for us to say if we really used his sketch. >> it all adds up to one thing, that they now have new -- yesterday, the house resource committee passed new rules that talked about how they're gonna prevent this f...

New capping stack. there are only two ways for that to be released because we did not move that middle ram back. it will start going out the kill line and the choke line. we will then close the kill line and start to slowly close the choke line and take the pressure readings at that time as we intended to do. to let you know what happened. this is the choke line off of the capping stack. as you know, this comes out of the assembly and goes up. if you have seen the video, this is that big yellow device with the curved pipe that goes up with the oil coming out of it. it connects back to the capp...

The traditional b.o.p. after we removed that nub on the riser pipe that had been cut off, that they actually did simulations and actually created a physical model to practice putting the flanges together and bolting them. whether or not they practiced on that particular flange or not or tested it, we'll find out and get back to you. i know there was extensive systems integration testing zbun a way to model it and test the package before putting it in the water. >> eileen fleming with public radio. how confident are you in the relief well's structure and engineering and that that won't blow up ...

Diameter. they're very cautious. that's the reason we're not coming off the mid-august prediction. it's going to be very methodical. in relation to why this wasn't done earlier, i'm assuming you're talking about the capping stack it had to be designed, tested and brauought to site an as you see, there are, obviously, some leaks we're having to fix and things like that. a range of capping devices that have been developed probably over ten, or all developed under different scenarios and we can actually remove it and put a flange on it and built a model of this on land and tested it before they b...