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May 13, 2010

Alfin Tracks in Detail the Engineering Work to Stop the Gulf Oil Leak

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Alfin has been doing an excellent job of tracking the work that is being done to stop the Gulf Oil Leak. Here is the coverage from most recent to earlier coverage.

1. Crunch time on the gulf floor.

Environmental damage from the ongoing oil spill continues to be limited, due to the nature of the hydrocarbon mix, favourable weather and currents in the warm Gulf waters, and a good surface response by air, land, and sea.
Oil Spill Video: Bob Marshall gives Wednesday update


2. Leak changes show less oil and more gas

3. The second, smaller containment dome, "Top Hat" is on the seafloor, being prepared for placement over the gushing wellhead.

Meanwhile, BP engineers retrieved the "brain" of the failed blowout preventer (BOP) and performed "brain surgery" to allow them to get an accurate read on the pressure at the well head. Next, they hope to perform the "top kill" or "junk shot" operation -- shoving rubber junk and matting through the BOP in an attempt to clog it, and stop the oil flow. They would then top the plug off with cement. BP had conservatively estimated that it would require 3 months to drill the relief wells, but if they are lucky they may cut that time in half.


4. Details on drilling of 2 relief wells

5. Sea and air forces doing a good job of dispersing the oil.

6. Stopping the seafloor oil gusher with a tighter and warmer containment dome.

7. The ten biggest oil spills in history. The Exxon Valdez and the current Gulf Oil Spill do not make the top ten list.

8. Methane Calthrates clog the Deep Horizon Oil Recovery.

9. Wind holds oil offshore.

10. Plan C and D to cap leaking oil well

11. Subsea oil recovery system information

12. The first containment dome and the blowout preventer.

13. Media and Intelligentsia panic and problem solvers get to work

14. Oil man puts Deep Horizon oil spill in perspective.

15. Early plan A failure

16. Oceanic well lacked acoutist safety switch control

17. Watts up with that provided an early view of the oil leak.

18. Extreme measures necessary to shut down the oil leak. 19. More oil seeps naturally than from humans.

The Exxon Valdez oil spill in Alaska's Prince William Sound released 10.8 million gallons of oil -- or almost 250,000 barrels of oil. But natural oil seeps off California release up to 80 times that amount. And natural seeps in the Gulf of Mexico release twice the amount as the Exxon Valdez every year.


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