Montana nonprofit capping abandoned oil wells
Abandoned Oil Wells Raise Fears of Pollution - The New York Times
Feds to remove cap from Gulf oil spill well so that blowout preventer can be raised - al.com
BP affixes new cap on Gulf oil well; tests ahead - Deseret News
BP to start testing new cap on Gulf oil well | WPBN
BP's new oil cap headed for well, then testing | MPR News
Gulf oil cap holding; BP encouraged - CSMonitor.com
Cap placed on ruptured US oil well | News | Al Jazeera
Gulf Well Cap Removed, Oil Gushes Freely Again - YouTube
Oil Well Cap
Wellhead - Wikipedia
National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling | Response | Stemming the Flow - Capping Stack
Group caps abandoned wells to cut methane emissions - The Washington Post
Update: Change in cap at oil spill site will mean more oil gushing, then should reduce flow - al.com
Surface Equipment : Well Head - IndustriMigas | #1 Oil and Gas Blog
Oil Stops Flowing as BP Begins to Test Cap on Leaking Gulf Well - WSJ
BP places tighter cap on gulf well – The Denver Post
BP working to settle cap over oil well
BP affixes new cap on Gulf oil well; tests ahead – The Mercury News
BP affixes new cap on Gulf oil well; tests ahead
Wellbore: What it is, How it Works, Examples
BP Resumes Testing Of Gulf Gusher Cap : The Two-Way : NPR
Efforts to Stop the Leaking Oil in the Gulf of Mexico - Graphic - NYTimes.com
Raw Video: BP Places Cap Over Leaking Oil Well - YouTube
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