Introduction The purpose of this paper is to examine one of the largest offshore oil spills in U.S. history, BP’s Deepwater Horizon explosion in 2010. This paper seeks to investigate closely the system and the reasons of failure, to answer the questions behind numerous studies on this accident, Is Deepwater Horizon explosion inevitable? and What can we do to avoid such accidents? Within the scope of Perrow’s normal accident theory, this paper aims to draw conclusions to the above questions and set forth recommendations to be considered in other similar oil drilling systems.
Case background On April 20, 2010, BP-operated Deepwater Horizon oil rig exploded, claiming the lives of eleven people and injuring 17 others. The fire continued for
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Accidents that result from the confluence of these two attributes are considered “normal accident” as they are inevitable, given the level of complexity and tight coupling inherent in the system (Perrow, 1999). A high level of interconnectedness between system components, reliance on indirect information sources, an unpredictable environment, or incomprehensibility of a system to its operators indicates complexity within a system (Perrow, 1999). Since systems are designed, run and built by humans, they cannot be perfect. Every part of the system is subject to failure; the design can be faulty, as can the equipment, the procedures, the operators, the supplies, and the environment. Since nothing is perfect, humans build in safeguards, such as redundancies, buffers, and alarms that tell operators to take corrective action. But occasionally two or more failures can interact in ways that could not be anticipated. These unexpected interactions of failures can defeat the safeguards, and if the system is also “tightly coupled” thus allowing failures to cascade, it can bring down a part or all of system. The vulnerability to unexpected interactions that defeat safety systems is an inherent part of highly complex systems; they cannot avoid this (Perrow, 1984).
On the other hand, tight coupling is often indicated by a tendency within the technical system for small failures to be magnified and instigate major failures elsewhere in the system with
The Deepwater Horizon oil spill disaster that took place in the Gulf of Mexico in April 2010 is the largest oil spill to have ever occurred in USA waters. As efforts to hold the current spill continues, the higher chances of clean up damage compensation technique, and also enhancing prevention of future oil spill responses and recovery. The rig was owned and under the operation of Transocean, a Switzerland-based offshore drilling firm, and leased to BP plc, one of the biggest oil firms in the world. The explosion and fire that led to eleven fatalities and several injuries took place despite specialized oil spill prevention equipment also known as a blowout preventer, which is designed to avert such a kind of disaster. The quantity
On April 20, 2010, a cement seal of an oil well malfunctioned, leading to the explosion and sinking of the Deepwater Horizon oilrig. Acknowledged as one the worst accidental oil spills, killing 11 people. The BP pipe discharged oil for 87 days following the failure. It is estimated 3.19 million barrels of oil had leaked into the Gulf of Mexico. Even though this incident happened 7 years ago, it is still relevant because there has been more insight from years of analyzing what went wrong, as well as more effective ways to handle the aftermath of a situation like that. This is an interesting situation because it is a two-part failure; of course, the initial equipment glitch, as well as the insufficiency measures they took to
The Deepwater Horizon Oil Spill occurred on April 20, 2010 in the Gulf of Mexico. This oil spill was the largest spill in history in front of the Exxon Valdez oil spill of 1989. This oil spill released about 4.9 million barrels of oil into the ocean. This spill not only wreck havoc on the marine life but also the economic players that depended on ocean such as fisherman, tourism, and offshore drilling located along the gulf coast. Along will the spill the oil rig which was named Deepwater Horizon also went up in flames. This proved that the issue went far beyond just an oil rig that blew a line. Since this oil spill had drastic impacts all along the coast, BP which was the most liable for this incident faced criminal charges based on what happened. BP which knew the risks of deep ocean drilling failed to take the necessary safety procedures to reduce the risks of such incident occurring, thus was the reasoning behind placing most of the fault on them and not the other companies. The lack of regulatory oversight led to the issues and cost-cutting procedures opened the rig up to possible malfunctions like the one that occurred. During the spill into the gulf, BP sealed the well with cement which seemed to stop a majority of the oil from escaping the well. BP also recognized that the well was “dead” which was proven wrong when scientists still could conclude was leaking minor amounts of oil into the ocean. This spill not only proved to be harmful to the environment but also
Deepwater Horizon was an oil rig in the Gulf of Mexico that exploded, leaving eleven dead and seventeen injured. The eleven people’s bodies were never found. These eleven people were platform workers. Imagine that.
‘A general view of accident causation in complex systems’, in Human Error, Cambridge University Press, Cambridge.
BP is one of the largest company producers in both oil and natural gas in the United States, venturing on exploration and discovery, Deepwater drilling and gas supply chains. On April 20, 2010, 11 men lost their lives after an explosion in the semi-submersible drilling on the Deepwater Horizon oil rig working on the Macondo exploration well for BP in the Gulf of Mexico. The well blowout and subsequent oil spill pumped 3.2 million barrels in the Gulf of Mexico the biggest marine disaster in US history. The fire burned for 36 hours before the rig sank, and the hydrocarbons leaked into the Gulf of Mexico before the well was closed and sealed. After the explosion and sinking of the Deepwater Horizon oil rig, a sea-floor oil gusher flowed for 87 days, until it was capped on July 15th 2010.
On April 20, 2010, the British Petroleum (BP) leased Deepwater Horizon drilling rig took an unexpected kick of gas pressure from an oil well in the Gulf of Mexico. The release ignited, and through the failure of the blowout preventers progressed into a firestorm. The fire consumed the drilling rig platform, sinking it, causing 11 casualties, and the subsequent release of 4.9 million barrels of oil into in the gulf before the release contained (British Petroleum). The incident is
There were a number of causes for the Deepwater Horizon oil spill, most of which had more to do with the human element that with any technology itself. The four biggest ways that humans contributed to the disaster, as explained by journalist David Coburn, was the fact that British Petroleum’s (BP) past success built a sense of complacency, the shifting the burden of proof, the normalization of deviance and the fact that promoters for an industry also serve as that industry’s regulatory enforcers.
The BP Oil Spill An Introductory Background - One of the most controversial ecological disasters in recent history focused on multinational British Petroleum and their Gulf of Mexico Operations. The Deepwater Oil Disaster began on April 20, 2010 with an explosion on the Deepwater Horizon Oil platform, killing 11, injuring 17. It was not until July 15th, however, that the leak was stopped by capping the wellhead, after releasing almost 5 million barrels (206 million gallons) of crude oil, or 53,000 barrels per day into the Gulf of Mexico. It was not until September 19th that the relief well process was complete and the U.S. Government, EPA, and Coast Guard agencies declared the well breach effectively stopped (Cavnar, 2010).
On April 20th, 2010 an explosion occurred that would be considered one of the worst oil spills in U.S. history. The explosion was cause by a surge of natural gas that made it way to the Horizon rig’s platform that ignited. This caused the rig to capsize and sink, thus breaking risers that were being use to counter act the large amount of pressure from oil and natural gasses (Pallardy, 2015). The explosion killed 11 workers and injured 17 others. The explosion caused a massibe leak in the oil wellhead. It took 87 days for the wellhead to be closed and it is estimated that over that time around 210 million gallons of oil leaked into the gulf (Gulf Oil Spill, 2011).
On April 20, the explosion on the Deepwater Horizon drilling rig in the Gulf of Mexico led to the largest accidental release of oil into marine waters in history. As a result, a huge loss of money and life was caused and affected serious environmental damage to wild animals and water pollution. BP was accused of their irresponsibility that it took 87 days before the well was closed and sealed. BP’s shares
The Deepwater Horizon oil drilling rig caught fire on April 20, 2010, exploring and sinking after some days. The explosion was as a result of the equipment failure, perhaps the blowout protector, and the emerging explosion and fire killed 11 people, injuring others. The aftermath of the explosion became the largest issue in the US, estimated to surpass 1989 Exxon Valdez spill. The environmental contamination was huge, greatly impacting marine life in the Gulf of Mexico and surrounding beaches of Louisiana, Alabama, and Mississippi.
Deepwater Horizon oil Spill: BP’s drilling platform in the Gulf of Mexico had an explosion in April 2010, causing the “largest oil spill catastrophe in the petroleum industry history”. It caused the death of 11 men and injury to several others. “More than 150,000 barrels of crude oil gushed into the sea, every day, for almost 5 months and up to 68,000 square miles of the Gulf 's surface were covered” (1).
In 2010, BP’s Deepwater Horizon rig exploded, causing millions of barrels of crude oil to be leaked out into the Gulf of Mexico. The extensive oil spill created a lot of pollution and far-reaching effects on the tourism industry. The resultant damage to marine wildlife such as fish will continue to be felt for many years to come. Weeks after the event, and while it was still in progress, the Deep Water Horizon oil spill was being discussed as a disaster that will impact global economies, markets, and mining policies. The potential consequences included structural shifts in energy policy, insurance marketplaces and risk assessment, and financial liabilities to be incurred by BP. The law that affected the operation of BP’s business was the Clean Water Act, which regulates the discharge of pollutants in US’s waters (EPA, 2008). Following the oil spill, regulations have been put in place to regulate oil drilling operations. The Obama administration proposed new regulations on offshore oil and gas drilling. The regulation focused on oil and gas drilling companies to use stronger blowout Preventers that have the capability to close an offshore well in case a drilling breach occurred accidentally.
As a ramification, it is difficult for human operators to anticipate faults within the system and prevent and manage the risks incurred by an operational accident accordingly, making them “incomprehensible”. Therefore, organisational accidents in complex systems are inevitable as despite defensive measures implemented to mitigate their risk, such as the training of operators and regular maintenance, the fragile design of the systems is the core reason why accidents occur.