00:00The families were waiting desperately, but when we started this second stage,
00:06it was a bit slower than the soldiers, because we had to make a new perforation,
00:12which had to be much bigger.
00:18Therefore, we had to reach 10 to 13 feet per day, and we had to reach 2.300 feet.
00:26We had to have patience.
00:30We were very open to hear different options.
00:37The company I was working for sold drilling tools for the mine rescue.
00:43So, I was sent there by my boss.
00:48I noticed they were using the Prata 950.
00:51To see that drill rig, I just couldn't believe it, because it was very slow.
00:57I had an idea.
01:01Instead of drilling a new hole, to use the previously drilled hole as a guide.
01:11Follow the path to the miners, and make it wider.
01:16It seemed obvious to me, but at that point, nobody had presented it, because it was impossible to be done
01:24with the drill rig that they had at that point.
01:38I was able to do that.
01:39The drill rig, going through the drill rig.
01:41It's very simple to me.
