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Theses/Dissertations

Louisiana State University

2012

Deepwater Horizon

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Genomic Expression Response To Experimentally-Weathered South Louisiana Crude Oil In Gulf Killifish Profiled Across Tissues, Doses And Time., Whitney Rose Pilcher Jan 2012

Genomic Expression Response To Experimentally-Weathered South Louisiana Crude Oil In Gulf Killifish Profiled Across Tissues, Doses And Time., Whitney Rose Pilcher

LSU Master's Theses

Almost five million barrels of south Louisiana crude oil were released into the environment following the explosion of the Deepwater Horizon oil platform on April 20, 2010, however, little is known of the effects of the spill to native species of the northern Gulf of Mexico. Field studies provide a context for ecological realism but laboratory- based studies can connect the specific cause to a specific biological response. A previous field study, completed in 2010, tracked genome expression responses in native killifish resident in oiled and several non-oiled marshes in the northern Gulf of Mexico. Those data suggested significant biological …


Measurement Of Interfacial Tension In Hydrocarbon/Water/Dispersant Systems At Deepwater Conditions, Mohamed Abdelrahim Jan 2012

Measurement Of Interfacial Tension In Hydrocarbon/Water/Dispersant Systems At Deepwater Conditions, Mohamed Abdelrahim

LSU Master's Theses

The events of the Deepwater Horizon oil spill in the Gulf of Mexico were associated with great water depths that made it difficult to understand the behavior of the spilled oil as it came in contact with the seawater. The remedial subsea application of chemical dispersants draws interest to evaluate the interfacial interactions between the oil and water at such great water depths. Most importantly, a quantification of the interfacial tension (IFT) between the spilled oil and seawater at deepwater conditions can provide insight into the effectiveness of the chemical dispersion of spilled oil. In this study, Macondo crude oil …


An Analysis Of Change In Policy Context Regarding Corexit Dispersant Use Following The Deepwater Horizon Oil Spill, Kelly Arceneaux Jan 2012

An Analysis Of Change In Policy Context Regarding Corexit Dispersant Use Following The Deepwater Horizon Oil Spill, Kelly Arceneaux

LSU Master's Theses

On April 20, 2010, an explosion on the offshore drilling platform Deepwater Horizon located in the Gulf of Mexico resulted in the largest oil spill in U.S. history. The subsequent use of massive amounts of chemical dispersants near the Gulf floor, an untested method, led to great controversy regarding the regulation, use, and toxicity of dispersants of the COREXIT family of products, as well as of dispersants in general. This study compares dispersant (COREXIT brand products in particular) regulation and use in the United States, Norway and the United Kingdom; the latter two countries are among the largest oil producers …