Aubrey Anderson‑Emmons

[189][190] PAHs are often linked to oil spills and include carcinogens and chemicals that pose various health risks to humans and marine life. Many low-wage workers in the fishing and service industries, for example, have been seeking compensation for lost wages and jobs for three years. [44][45][46][47] The well was in the final stages of completion after cement had been emplaced for its last casing string. [160], After the well was capped, the cleanup of shore became the main task of the response works. The magnitude of this spill is something our nation had not seen before, causing significant impacts to wildlife and the fishing community along the large coastal areas of Louisiana, Mississippi, Texas, Alabama, and Florida. Two days later, following a series of pressure tests, it was announced that the well was completely sealed. [72][73] Next, it placed a 125-tonne (280,000 lb) containment dome over the largest leak and piped the oil to a storage vessel. [67] In 2013, some scientists at the Gulf of Mexico Oil Spill and Ecosystem Science Conference said that as much as one-third of the oil may have mixed with deep ocean sediments, where it risks damage to ecosystems and commercial fisheries. [170][171], The first video images were released on 12 May, and further video images were released by members of Congress who had been given access to them by BP. model type), deepwater, dynamically positioned, column-stabilized,[2] semi-submersible mobile offshore drilling unit, designed to drill subsea wells for oil exploration and production using an 18.75 in (476 mm), 15,000 psi (100,000 kPa) blowout preventer, and a 21 in (530 mm) outside diameter marine riser. [19][20], Numerous investigations explored the causes of the explosion and record-setting spill. [116], Dispersants are said to facilitate the digestion of the oil by microbes. The civil and criminal proceedings stemming from the explosion of Deepwater Horizon and the resulting massive oil spill in the Gulf of Mexico began shortly after the April 20, 2010 incident and have continued since then. [364] David Rainey, BP's former vice-president for exploration in the Gulf of Mexico, was charged with obstructing Congress by misrepresenting the rate that oil was flowing out of the well. [342][343] The plea was accepted by Judge Sarah Vance of the United States District Court for the Eastern District of Louisiana on 31 January 2013. DWH restoration projects and monitoring data will also be incorporated into DIVER as information becomes available. [13] Subsea injection had never previously been tried but due to the spill's unprecedented nature BP together with USCG and EPA decided to use it. [261] NOAA had closed 86,985 square miles (225,290 km2), or approximately 36% of Federal waters in the Gulf of Mexico, for commercial fishing causing $2.5 billion cost for the fishing industry. All executed documents included herein are considered final for the assessment of injuries related to the Deepwater Horizon oil spill. The oil well over which it was positioned was located on the seabed 4,993 feet (1,522 metres) below the surface and extended approximately 18,000 feet (5,486 metres) into the rock. [21], Deepwater Horizon worked on wells in the Atlantis (BP 56%, BHP Billiton 44%) and Thunder Horse (BP 75%, ExxonMobil 25%)[32] oil fields. The oil leak was discovered on the afternoon of April 22, 2010 when a large oil slick began to spread at the former rig site. These numbers, coupled with the National Audubon Society scientists' observations of bird colonies and bird mortality well after the acute phase, have led scientists to conclude that more than one million birds ultimately succumbed to the lethal effects of the Gulf oil spill. Sample results of laboratory analysis on tissue, sediment, oil, and water. "[339][340] The DOJ also said Transocean, the owner and operator of the Deepwater Horizon rig, was guilty of gross negligence as well. [30], The Deepwater Horizon was a 10-year-old[31] semi-submersible, mobile, floating, dynamically positioned drilling rig that could operate in waters up to 10,000 feet (3,000 m) deep. [272][273] On 8 July, Florida Governor Charlie Crist called for a special session of the state legislature to draft an amendment to the state constitution banning offshore drilling in state waters, which the legislature rejected on 20 July.[274][275]. OR&R Photos on Flickr. BP had earlier agreed to pay $2.4 billion but faced additional penalties that could range from $5 billion to $20 billion. NOAA Photos from the NRDA assessment and restoration projects. [328] The federal judge assigned to the case, Judge Barbier, refused to halt the settlement program, saying he had not seen evidence of widespread fraud, adding that he was "offended by what he saw as attempts to smear the lawyer administering the claims."[329]. [5] In 2010 it was one of approximately 200 deepwater offshore rigs capable of drilling in waters deeper than 5,000 ft (1,500 m). [284], Industry claimed that disasters are infrequent and that this spill was an isolated incident and rejected claims of a loss of industry credibility. [21][320] The report states that the main cause was the defective cement job, and Halliburton, BP and Transocean were, in different ways, responsible for the accident.

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