The Spill Of The Bp Oil Spill

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The BP oil spill was one of the worst oil spills to ever happen in the US. There are many factors that caused this horrible spill to happen; to be exact there were eight failures of the oilrig that caused this disaster. The first failure was the cement at the bottom of the borehole was not sealed properly. This caused the oil and gas to start leaking into the pipe leading to the surface of the rig. The second failure was that the valve leading to the surface was sealed improperly with cement. In addition, there were two mechanical valves, which failed to stop the leak of gas and oil. The crew was also to blame because they did pressure tests, which they did not read properly. This made the crew believe the oil well was under control when it was not. The crew also did not spot the leak before the explosion; there was an increase in pressure inside the well fifty minutes before the explosion but the crew did not interpret it as a leak. Next, about eight minutes before the rig exploded, mud and gas began to come out onto the floor of the rig. The crew tried to stop this by activating the blowout preventer, which is at the top of the well, however this caused the blowout preventer to malfunction. The rig had side vents that were suppose to release this mud and gas, but instead it was diverted to a device that separates only small amounts of mud and gas. This device quickly became overwhelmed and flammable gas was sent all over the rig. The alarm on the rig should have sounded

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