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Formation dynamics of subsurface hydrocarbon intrusions following the Deepwater Horizon blowout

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dc.contributor.author Socolofsky, Scott A.
dc.contributor.author Adams, E. Eric
dc.contributor.author Sherwood, Christopher R.
dc.date.accessioned 2011-06-02T13:04:53Z
dc.date.available 2011-11-12T09:29:04Z
dc.date.issued 2011-05-12
dc.identifier.citation Geophysical Research Letters 38 (2011): L09602 en_US
dc.identifier.uri http://hdl.handle.net/1912/4632
dc.description Author Posting. © American Geophysical Union, 2011. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Geophysical Research Letters 38 (2011): L09602, doi:10.1029/2011GL047174. en_US
dc.description.abstract Hydrocarbons released following the Deepwater Horizon (DH) blowout were found in deep, subsurface horizontal intrusions, yet there has been little discussion about how these intrusions formed. We have combined measured (or estimated) observations from the DH release with empirical relationships developed from previous lab experiments to identify the mechanisms responsible for intrusion formation and to characterize the DH plume. Results indicate that the intrusions originate from a stratification-dominated multiphase plume characterized by multiple subsurface intrusions containing dissolved gas and oil along with small droplets of liquid oil. Unlike earlier lab measurements, where the potential density in ambient water decreased linearly with elevation, at the DH site it varied quadratically. We have modified our method for estimating intrusion elevation under these conditions and the resulting estimates agree with observations that the majority of the hydrocarbons were found between 800 and 1200 m. en_US
dc.description.sponsorship Funding for this project was supported by the National Science Foundation under RAPID grants CBET‐1045831, CBET‐1046890, and OCE‐1048976, and by the U. S. Geological Survey, Coastal and Marine Geology Program. en_US
dc.format.mimetype application/pdf
dc.format.mimetype application/postscript
dc.format.mimetype text/plain
dc.language.iso en_US en_US
dc.publisher American Geophysical Union en_US
dc.relation.uri http://dx.doi.org/10.1029/2011GL047174
dc.subject Deepwater Horizon en_US
dc.subject Fluid dynamics en_US
dc.subject Intrusion en_US
dc.subject Multiphase flow en_US
dc.subject Oil well blowout en_US
dc.subject Plume en_US
dc.title Formation dynamics of subsurface hydrocarbon intrusions following the Deepwater Horizon blowout en_US
dc.type Article en_US
dc.identifier.doi 10.1029/2011GL047174


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