Handout file photo shows fire boat response crews battling the blazing remnants of the offshore oil rig Deepwater Horizon off Louisiana

 
Handout file photo shows fire boat response crews battling the blazing remnants of the offshore oil rig Deepwater Horizon off Louisiana
Fire boat response crews battle the blazing remnants of the offshore oil rig Deepwater Horizon off Louisiana in this April 21, 2010 handout file photo. Plaintiff lawyers claimed a victory on August 26, 2011 when a U.S. federal judge overseeing hundreds of lawsuits against BP and others over last year's big oil spill in the Gulf of Mexico allowed much of the case to move ahead, including punitive damages claims. REUTERS/U.S. Coast Guard/Handout/Files (UNITED STATES - Tags: CRIME LAW DISASTER ENERGY ENVIRONMENT) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS