A worker fabricates a pollution containment chamber at Wild Well Control Inc. in Port Fourchon Louisiana

 
A worker fabricates a pollution containment chamber at Wild Well Control Inc. in Port Fourchon Louisiana
A worker fabricates a pollution containment chamber, known as "top hat" at Wild Well Control Inc. in Port Fourchon, La, May 10, 2010. The chamber is the second built by Wild Well Control and will be used in an attempt to contain a second oil leak that was caused by the mobile offshore drilling unit Deepwater Horizon explosion. Photo taken May 10, 2010. REUTERS/ Petty Officer 3rd Class Patrick Kelley-US Coast Guard/Handout (UNITED STATES - Tags: DISASTER ENERGY ENVIRONMENT)