Isotopic composition of xenon in petroleum from the shell bullwinkle field |
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| Authors: | J Nuzzo M Hyman M W Rowe M N Rao R L Palma J Westrich |
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| Institution: | (1) Department of Chemistry, Texas A&M University, 77843 College Station, TX;(2) Department of Physics, Sam Houston State University, 77341 Huntsville, TX;(3) Shell Development Corporation, P.O. Box 481, 77001 Houston, Texas;(4) Present address: Barrens Consulting Co., 273 Pepe’s Farm Road, 06470 Milford, CT;(5) Present address: SN4, NASA-JSC, 77858 Houston, TX |
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| Abstract: | We have measured the abundance and isotopic composition of xenon in petroleum samples from the Shell Bullwinkle Field off
the coast of Louisiana. We used an oxidation and purification procedure designed to insure complete extraction and clean up
of xenon from the petroleum.
The xenon isotopic composition was found to be similar to the atmospheric value for one petroleum sample. While the results
of the second sample suggest possible enrichment of the heavier isotopes, the errors associated with these excesses preclude
a definitive statement to that effect. No monoisotopic enrichment in129Xe was detected in either sample, the presence of which might have allowed us to deduce the petroleum age. Our results represent
only the second xenon measurement from petroleum, and the concentrations are within the range of values published in the earlier
report. |
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| Keywords: | Xenon petroleum isotopic composition mass spectrometry |
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