An expert testified that when something goes wrong with a well, the fail-safe device's shears are supposed to clamp down, cut and seal the drill pipe, preventing the oil from escaping. But in the case of the Deepwater Horizon rig in the Gulf of Mexico, it didn't work quite right.» E-Mail This » Add to Del.icio.us
At first, BP tried to stop the oil rushing into the Gulf of Mexico by flipping a blowout preventer switch. A week ago, they attempted to capture the leak with a 100-ton box. The latest experiment? Trying to guide a skinny, mile-long tube into the gusher.» E-Mail This » Add to Del.icio.us
A key safety device known as the blowout preventer used in the BP oil rig in the Gulf had a hydraulic leak and other problems that likely prevented it from working as designed, congressional investigators said Wednesday.