offshore drilling unit Q4000 attempts a technique known as top kill
GULF OF MEXICO - Flaring operations aboard the Transocean drillship Discoverer Enterprise are suspended as the mobile offshore drilling unit Q4000 attempts a technique known as "top kill" at the Deepwater Horizon incident site May 26, 2010. The drillship had been burning natural gas that was being brought to the surface through a tube inserted in the damaged wellhead. (USCG) 10Spill0526-G-8744K-007