2010 gulf of mexico oil spill
It too was filled with cement, and it also contained two mechanical valves designed to stop the flow of oil and gas.
What caused the bp oil spill
What was the size of the area affected by the oil spill? Cleanup workers first surround the slick with floating booms to keep it from spreading to harbors, beaches or biologically important areas like marshes. By then, four million barrels of crude had seeped into the surrounding water, endangering marine wildlife and throwing local ecosystems out of balance. Two U. On the night of April 20 a surge of natural gas blasted through a concrete core recently installed by contractor Halliburton in order to seal the well for later use. Additional changes to federal regulations would roll back protections put in place in the aftermath of the Deepwater Horizon disaster. State and federal workers and contractors for BP recorded more than 6, dead birds, 2, of which were visibly oiled. The day before the accident, the crew had pumped cement to the bottom of the borehole, a standard procedure intended to prevent oil leaking out. Valve failure The bottom of the pipe to the surface was sealed in two ways. Related Securities.
This involves using robot submarines to cut off what is left of the leaking riser pipe, then lowering a containment cap over the wellhead assembly. While this technique had worked in shallower water, it failed here when gas combined with cold water to form methane hydrate crystals that blocked the opening at the top of the dome.
Halliburton said that it had noticed "a number of substantial omissions and inaccuracies" in the BP report, and said that it was "confident that all the work it performed with respect to the Macondo well was completed in accordance with BP's specifications.
July 3 — A supertanker converted into a "super skimmer" begins tests.
Bp oil spill facts
The condition of critical components in the yellow and blue pods and the use of a non-OEM [original equipment manufacturer] part, which were discovered after the pods were recovered, suggest the lack of a robust Transocean maintenance management system for Deepwater Horizon BOP. For years following the spill there were reports of fish with lesions and deformities, and some reports of eyeless and deformed shrimp after the spill. Booms extend 18—48 inches 0. If you value what you get from Mother Jones, please join us with a tax-deductible donation today so we can keep on doing the type of journalism demands. However, consuming Gulf seafood is now completely safe. Various risks were identified and evaluated, in particular that an increase in microbial activity might reduce subsea oxygen levels, threatening fish and other animals. Subscribe to our free newsletters. BP contracted Polaris to assess the area affected and provide recommendations for cleanup. The huge spill has soiled hundreds of miles of coastline, and threatens a fragile ecosystem. How have birds and marine life been affected? Source: bp.
It has run a series of full-page newspaper adverts to coincide with the one-year anniversary of the spill.
A very thin slick is called a sheen, which often looks like a rainbow and can be seen in parking lots after a rainstorm. These slicks can wreak havoc on coastal ecosystems and animals, so cleanup workers use dispersants —chemicals that break down the oil into smaller particles that mix with water more easily—to prevent them from forming.
Deepwater horizon oil spill clean up
June 29 — BP said that its oil-capture systems at the leaking well in the Gulf of Mexico collected or burned off 25, barrels of oil on Tuesday. According to the Deepwater Horizon final report : "This disaster was preventable if existing progressive guidelines and practices been followed", but BP "did not possess a functional safety culture. May 28—Obama tours the Louisiana Gulf coast on his second visit. The dangers are even greater when poured into the source of a spill, because they are picked up by the current and wash through the Gulf. Obama also says BP is responsible for the cleanup. A fishing ban for federal waters off the Gulf is modified, expanded and extended to May Not all of the deaths were thought to have been caused by the oil spill. For years following the spill there were reports of fish with lesions and deformities, and some reports of eyeless and deformed shrimp after the spill. Overwhelmed separator The crew had the option of diverting the mud and gas away from the rig, venting it safely through pipes over the side. Some floated to the ocean's surface to form oil slicks, which can spread more quickly by being pushed by winds.
It took nearly three months to stem the flow of oil from the ruptured undersea well. A final device was created to attach a chamber of larger diameter than the flowing pipe with a flange that bolted to the top of the blowout preventer and a manual valve set to close off the flow once attached.
Members of Congress accuse BP of cutting corners and ignoring warnings for the sake of profit. The day before the accident, the crew had pumped cement to the bottom of the borehole, a standard procedure intended to prevent oil leaking out.
August 25, Eleven, from Texas, Louisiana and Mississippi. The CBS crew was told by the authorities: "this is BP's rules, not ours," when trying to film the area.
Samantha Joye's research team from the University of Georgia believes that more oil is lurking beneath the surface of the water. Obama, on his third trip to the region, warns BP against skimping on compensation to residents and businesses. This coalition gained significant influence in the clean up of the oil spill to try and gain some control over the situation. June 28 — BP is forced to defend its chief executive after Russia's deputy prime minister said he expected Hayward to resign soon. The report said: "The BOP [blowout preventer] maintenance records were not accurately reported in the maintenance management system. After most of the oil is removed by skimmers, workers use sorbents to mop up the trace amounts left behind. There were some reports of deformed wildlife after the spill. July 6 — Summer storms push oil from the Gulf of Mexico spill deeper into Louisiana's wetlands and temporarily slow efforts to contain damage. The plan was criticised for its expense and poor results. The executives blame each other's companies. They used skimmer boats to remove a majority of the oil and they used sorbents to absorb any remnant of oil like a sponge. Seabirds were initially harmed by crude surface oil—even a small bit of oil on their feathers impeded their ability to fly, swim and find food by diving.
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