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Unformatted text preview: e wellhead in order to escape the hazardous area in the event of an uncontrolled blowout. Based on this mindset, the engines should not be shutdown because of the need for DP power. Even if the process of manual activation is fully understood by those responsible for it on a DP MODU, it adds additional complexity to response of the well control event. Further, the philosophy creates a conflict since the rig needs to maintain power to get off location while maintaining that power creates a possible ignition source during the presence of free gas on the rig. The DP MODU operating philosophy when considering the performance of an Emergency Shutdown (ESD) is a possible contributing cause in the Deepwater Horizon explosion. D. Other Possible Ignition Sources 1. Electrical Equipment in Hazardous Areas The most likely location for the ignition of flammable gas by unguarded electrical equipment would be in the area on or near the drill floor. The Deepwater Horizon drill floor required the use of...
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This note was uploaded on 01/18/2014 for the course BEPP 305 taught by Professor Nini during the Fall '11 term at UPenn.

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