Page 10 - Integrity Test News Today : Breaking News, Live Updates & Top Stories | Vimarsana

That this line is going. they wouldn't know exactly where that oil is leaking into, that's why they're doing these -- part of leading to this process was the seismic testing and all sorts of different tests to kind of get a picture before this test was done of what the earth's surface looks like below it and what it all looks like. and then at the end of this test they'll go back and do another seismic test and compare it all. and that's what will give them the results of this integrity test. >> we've had our fingers crossed so many times that something was going to work. but a lot of optimism...

Slowly, slowly closed the well. once that was complete at 3:25 p.m. eastern, that is when we saw the amazing image, no oil coming out of the well, and that is when bp began what they have been calling the integrity test. as you know, they are measuring to make sure that the pressure stays high in the well, and if it drops, that basically means there is a leak someplace they need to find, and this test is expected to last at least a few more hours and it could go for as long as two days, wolf. >> we may not know until saturday whether this is successful or not. jessica, thank you very much. ed ...

A huge moment in the course of what we've been covering over the last three months. i mean, i don't think there's any words that can add to this to explain why this is such a crucial moment in the hope that what we see on the right of your screen there is what we can hope -- would hope would continue from here on out so we know that we're in the middle or the beginning of this integrity test. it will last a couple of days, and why this is significant, because if one of the two options that they hope will play out here, essentially what we could be seeing is even if it's not capped, even if it'...

The new well cap has been under way for three hours. there's still lots of risk and uncertainty as this test moves forward. we're keeping a very close watch on the live cameras beneath the surface. let's go to cnn's ed lavandera. first, he's in new orleans to tell our viewers what is happening right now. ed? >> reporter: well, wolf, i really think the news of this moment is just the visual aspect of this. for almost three months we've seen oil gushing into the gulf of mexico, and even though it's very likely a temporary moment here to be able to see pictures coming from 5,000 feet below the su...

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