Apr 272010
 
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NASA's Aqua satellite captured this image of the Gulf of Mexico on April 25, 2010 using its Moderate Resolution Imaging Spectroradiometer (MODIS) instrument. ocean. Under unique viewing conditions, oil slicks can become visible in photo-like images, but usually, radar imagery is needed to clearly see a spill from space.

Oil leaking from the site of the sunken Deepwater Horizon is expected to reach the US coast sometime during the coming weekend. Most appears to be little more than surface sheen with little depth.

Attempts by several remotely operated vehicles, ROVs, have so far failed to close the Blow Out Preventer and oil continues to leak at about 1,000 barrels a day. Additional options are still being developed to trigger the BOP.

Two drillships, Transocean’s Development Driller 3 and Discoverer Enterprise are moving into position to drill relief wells and stop the leaks.

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The base of a pollution containment chamber is moved to a construction area at Wild Well Control, Inc. in Port Fourchon, La., April 26, 2010. The chamber will be one of the largest ever built and will be used in an attempt to contain an oil leak related to the mobile offshore drilling unit Deepwater Horizon explosion. U.S. Coast Guard photo .

Construction has begun on a collection dome that will be deployed to the sea floor to collect and funnel oil as it escapes from the well, a method that has never been tried this deep before.  The first rig to be used for drilling a relief or cut-off well arrived last night, several more are planned – a relief well would take several months to complete.

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Discoverer Enterprise (Top) Development Driller 3 (Bottom)


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