1 year, 11 months ago
What happened between 9:47 and 9:50 pm on April 20, 2010 on Deepwater Horizon?
http://online.wsj.com/article/SB10001424052748704113504575264721101985024.html
1. April 20, 2010, The Sea was still as glass
2. 20 men out of the 126 member crew were operating the drilling apparatus. The drill had bore through 13,000 feet of rock in 5000 feet of water.
3. Minutes before the disaster, Captain Kutcha was unaware of drill operation problems.
4. At 9:47 pm, workers heard a sudden hiss of methane gas. Methane is near the reservoirs of oil.
5. After two minutes the pressure spiked significantly. A torrent of methane gas struck the rig. Power fail and everything started jumping up and down wildly.
6. Damon Bankston said drill mud was flying out the drilling derrick like a volcano. He radioed the bridge of Deepwater Horizons and told them there was trouble at the well.
7. Ms Fleytas said all the equipment power went black. The backup battery kick on and no engines or thrusters were operational. Multiple gas alarms were sounding.
8. One of the six stabilizing engines was revving.
9. No methane had been detected on deepwater horizon before the jolt. There was no general alert that indicated trouble forcing emergency shutdown preventing combustion of the methane. Top managers were not able to get to the drilling operation area to evaluate the problem.
10. Jason Anderson tried to divert gas away from the rig by closing the bag, but that did not work. Jason Anderson told Randy Ezell, he was prepared to trigger the 450 ton blowout preventer and seal the oil well at the floor. Mr. Ezell prepared to go to the floor. Seconds, later the methane ignited.
11. The revving engine may have caused the methane to ignite shearing off critical sections of Deepwater Horizon.
The disaster makes me sick. I wish it never happened, but it did. What happened in those critical minutes?
1. April 20, 2010, The Sea was still as glass
2. 20 men out of the 126 member crew were operating the drilling apparatus. The drill had bore through 13,000 feet of rock in 5000 feet of water.
3. Minutes before the disaster, Captain Kutcha was unaware of drill operation problems.
4. At 9:47 pm, workers heard a sudden hiss of methane gas. Methane is near the reservoirs of oil.
5. After two minutes the pressure spiked significantly. A torrent of methane gas struck the rig. Power fail and everything started jumping up and down wildly.
6. Damon Bankston said drill mud was flying out the drilling derrick like a volcano. He radioed the bridge of Deepwater Horizons and told them there was trouble at the well.
7. Ms Fleytas said all the equipment power went black. The backup battery kick on and no engines or thrusters were operational. Multiple gas alarms were sounding.
8. One of the six stabilizing engines was revving.
9. No methane had been detected on deepwater horizon before the jolt. There was no general alert that indicated trouble forcing emergency shutdown preventing combustion of the methane. Top managers were not able to get to the drilling operation area to evaluate the problem.
10. Jason Anderson tried to divert gas away from the rig by closing the bag, but that did not work. Jason Anderson told Randy Ezell, he was prepared to trigger the 450 ton blowout preventer and seal the oil well at the floor. Mr. Ezell prepared to go to the floor. Seconds, later the methane ignited.
11. The revving engine may have caused the methane to ignite shearing off critical sections of Deepwater Horizon.
The disaster makes me sick. I wish it never happened, but it did. What happened in those critical minutes?
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The best site I found is listed below. It is the postings of people on drill rigs in the Gulf of Mexico. It has a running commentary from the initial fire to comments on the information given during the current Congressional hearings.
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