Oil slick: BP had ignored warning signs.

Since the explosion of the platform on April 20 BP tries in vain to plug the breach.Keywords: slick, BP, signals, U.S., LOUISIANA.

BP employees are accused of not taking into account three warnings announcing the imminent danger, just before the fatal explosion Deepwater Horizon platform in the Gulf of Mexico.

The oil slick that is ravaging the Gulf of Mexico would it have been avoided? Some U.S. lawmakers on Tuesday that revealed April 20 explosion of the platform BP was preceded by three signs warning of impending danger. Three indices occurred less than an hour before the disaster.
The first warning came "51 minutes before the explosion," say representatives Henry Waxman and Bart Stupak, based on an internal report to BP. He tripped, they said, because "the amount of liquid out of the well has become more important than pumped into the well."
The second warning sign goes off ten minutes later. At that time, although the wells have been closed for a test, "it continued to flow and pressure in drilling has increased unexpectedly.
The last signal occurs 18 minutes before the accident, stress finally parliamentarians. "An abnormal pressure is then observed and it led to the closure of the pump. Too late. The explosion of the platform a few minutes later made eleven dead. The facility, her dark April 22.

"A very large anomaly":
The note released Tuesday by two U.S. Congressmen reveals that the oil group recognized a "fundamental error" committed during pressure tests conducted a few hours before the explosion of the platform. An investigator also said BP has elected to both that an error could have occurred as the pressure relieved, so - 98 kg per cm2 - showed "a very large anomaly. Another point raised by Henry Waxman and Bart Stupak: problems in the equipment supposed to prevent an explosion.
Both elected Chairman of the Subcommittee investigation committee of the Energy and Commerce, which reviewed over 105,000 pages of internal documents from BP, Transocean, Halliburton and the Cameron Group, which built the BOP. BP did not immediately respond to the note of two parliamentarians.
Since the tragedy, the oil company has stopped trying to close the gap. In vain. She is always prepared Tuesday to inject cement into the well of oil, which continues to fly at 1,500 m depth. BP has acknowledged, however, have only two out of three chance of actually quitting the worst oil spill in U.S. history. To increase its chances, the British oil company also said it would launch in the "coming days" an operation to inject liquids into the wells to reduce pressure, then the butcher with cement.

Barack Obama in Louisiana Friday:
"Final preparations are underway to attempt to close the wells, if the operation went well today (...), will make a decision tonight or early tomorrow morning for an attempt to plug the wells tomorrow (Wednesday editor's note) said Tuesday before the Senate David Hayes, Deputy Secretary for Internal Affairs, responsible for managing natural resources. In the event of another failure, the group plans to include other operations, but not before the end of the month.
Obama must turn to visit Friday to Louisiana to "assess" the operations against the oil spill. This will be the second visit of U.S. President in the region since the crisis began. The fragile ecosystem of wetlands Louisiana is a breeding ground for fish, crabs and shrimps which total 2.4 billion dollars per year for the fishing industry and tourism. U.S. authorities Tuesday extended a 22% share of U.S. territorial waters closed to fishing in the Gulf of Mexico.