it was clean and solid and had a nice ring on the top of it and that ring was able to be clamped to this new capping stack that has all of the valves in it. and then all of a sudden this well made aluminum and iron down to a piece of 150,000 pound stack dropped on top of this, bolted together and sealed together, all of a sudden we have the oil coming out the top of this. well, yesterday, and of course today, they started closing the valves, cranking them ever so slowly. they wanted the pressures to stay high so that when the oil finally stopped coming out of the top, there it is, still coming out, when it finally stopped coming out, we knew the pressure stayed 6,000, 7,000 psi, pounds per square inch, more pressure than you and i could ever withstand, if that pressure stayed high, there was no oil leaking anywhere and that s what they wanted to see and that s what we have right now.
live pictures from what we ve been calling the leak cam. as you can see, there is nothing leaking now. so far the capping stack is holding, we presume. otherwise engineers would have started venting oil to relieve the oil. probably relieving some political pressure on the white house, which has take answer lot of fire over the last 80 or so days for it is handling of the crisis. henry joins us now. ed, what are you hearing? reporter: earlier today the president was giving a statement on the south lawn of the white house, reacting to the fact that the cap was if place. he told me that he sees this as a positive development. as you noted, these tests are still ongoing. the president said that he doesn t want to get ahead of that. he s planning on making a statement before he heads out on a weekend to maine.
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preventer, it was there, it was not a good seal. they came out, took the bolts out and took it away. then they brought in a new one, a new top. it was clean and solid and had a nice ring on the top of it and that ring was able to be clamped to this new capping stack that has all of the valves in it. and then all of a sudden this well made aluminum and iron down to a piece of 150,000 pound stack dropped on top of this, bolted together and sealed together, all of a sudden we have the oil coming out the top of this. well, yesterday, and of course today, they started closing the valves, cranking them ever so slowly. they wanted the pressures to stay high so that when the oil finally stopped coming out of the top, there it is, still coming out, when it finally
live pictures from what we ve been calling the leak cam. as you can see, there is nothing leaking now. so far the capping stack is holding, we presume. otherwise engineers would have started venting oil to relieve the oil. probably relieving some political pressure on the white house, which has take answer lot of fire over the last 80 or so days for it is handling of the crisis. henry joins us now. ed, what are you hearing? reporter: earlier today the president was giving a statement on the south lawn of the white house, reacting to the fact that the cap was if place. he told me that he sees this as a positive development.