the 2002 incident in pennsylvania, quecreek, much the same experience. we planned for a lot of things to go wrong. things obviously did go wrong in the drilling process as they probably did here but during the rescue operations things went as smooth as we could have ever hoped and this is unfolding to be very, very similar to that so there should be a lot of pride among the people planning for this and have designed this rescue effort. just a wonderful thing. the workers now we just saw them spraying lubricant on what looks like the door of the capsule. there was an initial little jam-up there, the door having trouble opening and looks like they have fixed that problem and making preparations to send the door back down. the 17th miner. we ll keep our eye on this situation as it unfolds. take a quick break here. i do a lot of different kinds of exercise,
american companies help chilean offings in this rescue operation. jeff righten is a senior service technician with schramm and helped drill the rescue holes at the chilean mine. thank you very much, jeff, for joining us. give us a sense of the challenge that led to tonight. how did you get this far? caller: a lot of good team work from many different companies, main christianson, many american companies come down there with a great rig. the hole was extremely difficult, it was such a hard rock formation but seems we had the right combination and able to get her done. what kind of rock did you have to cut through to get down 2,000-plus-feet? caller: open, we are talking granite, talking a lot of soft and hard formation that is what made it so hard, in the drilling process, hard rock is good, when drilling such a large hole. all of a sudden with he would hit patches of soft that is what made it hard for us we trying to get to a certain destination and
can actually see have been few. but that s changing. on the surface parts of a giant crane, which will lower and hoist the steel capsules which will bring the miners to the surface. also being put into place is the mobile hospital unit which will be the miners first stop on their return to the world. there is not long to go now says this relative. a breakthrough maybe on sunday or between saturday and sunday. the drills keep hammering away and half a mile below the miners work shifts to clear up the debris the drills produce. to avoid disappointing them should something go wrong, the miners have not been told exactly how much progress is being made. but on the surface, chile s mining minister made a prediction. we are advancing pretty well in plan b. we will restart the drilling
whoa. looks like you scared me. you are really lucky. reporter: what just happened? the gas went down. come back and blow it out the holes. if i turn it up a little bit, it will burn a flame off the top. reporter: the gas bubbles through the well. you can t see the hose in the bottom of that. it s all gas. reporter: it was, at one time clear? crystal clear. reporter: it steams off like alka-seltzer. what s causing it? like a lot of people in rural pennsylvania, he has been fraked. this area is seeing boom in the natural gas business because of a geological formation known as the shale, a drilling process called hydraulic fraking.
provide for his dfamily. i did something they said had never been done and that was get shale and a drilling process 100 on each one of the 12 tests. called hydraulic fracturing. reporter: despite this, the fracking, as it s known, drills doin and sideways into the city of cincinnati revoked its massive shale rock that lies electrician job offer. thousands of feet low, the city looked at gene and injecting mostly water an some saw that he had two felony chemicals, which cause many earthquakes. convictions in his past and that ck fractures the rock, said, therefore, you can t work for the city. releasing clear, odorless, it didn t care about his rehabilitation, didn tare that floating gold. he was rarched numbercl one in s natural gas trapped inside the class each of the five years of marcellus shale. the training program. hundreds of trillions of cubic reporter: singleton feet worth. enough to supply the northeast successfully fought to get for decades to come. cincinnati to ba