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Analyses of Oil Produced during in Situ Reverse Combustion of a Utah Tar Sand

Samuel M. Dorrence, Kenneth P. Thomas, Jan F. Branthaver, Richard V. Barbour

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Abstract

Oils produced during an in situ reverse combustion experiment in the Northwest Asphalt Ridge Utah tar sand deposit have been characterized. Elemental analyses, distillation data, pour points, specific gravities, chromatographic separations, IR, and C-13 NMR spectra, and molecular weights are reported for the oils. These data are compared with data obtained on a bitumen sample extracted from a core taken at the site prior to the experiment. Data indicate that most of the oil produced during the experiment is very similar to the original bitumen.

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What this paper is about

Oils produced during an in situ reverse combustion experiment in the Northwest Asphalt Ridge Utah tar sand deposit have been characterized. Elemental analyses, distillation data, pour points, specific gravities, chromatographic separations, IR, and C-13 NMR spectra, and molecular weights are reported for the oils. These data are compared with data obtained on a bitumen sample extracted from a core taken at the site prior to the experiment. Data indicate that most of the oil produced during the experiment is very similar to the original bitumen.

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Available abstract

Oils produced during an in situ reverse combustion experiment in the Northwest Asphalt Ridge Utah tar sand deposit have been characterized. Elemental analyses, distillation data, pour points, specific gravities, chromatographic separations, IR, and C-13 NMR spectra, and molecular weights are reported for the oils. These data are compared with data obtained on a bitumen sample extracted from a core taken at the site prior to the experiment. Data indicate that most of the oil produced during the experiment is very similar to the original bitumen.

Key concepts: Asphalt, Oil sands, tar (computing), In situ, Ridge, Combustion, Distillation, Geology

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