Significance of Isotopically Labile Organic Hydrogen in Thermal Maturation of Organic Matter
- Indiana University, Department of Geological Sciences
Isotopically labile organic hydrogen in fossil fuels occupies chemical positions that participate in isotopic exchange and in chemical reactions during thermal maturation from kerogen to bitumen, oil and gas. Carbon-bound organic hydrogen is isotopically far less exchangeable than hydrogen bound to nitrogen, oxygen, or sulfur. We explore why organic hydrogen isotope ratios express a relationship with organic nitrogen isotope ratios in kerogen at low to moderate maturity. We develop and apply new techniques to utilize organic D/H ratios in organic matter fractions and on a molecular level as tools for exploration for fossil fuels and for paleoenvironmental research. The scope of our samples includes naturally and artificially matured substrates, such as coal, shale, oil and gas.
- Research Organization:
- Indiana University
- Sponsoring Organization:
- Dr. Nicholas Woodward, Department of Energy, Basic Energy Sciences, Office of Science SC-64, 19901 Germantown Rd., Germantown MD 20874-1290 phone 301-903-5802; Nick.Woodward@science.doe.gov
- DOE Contract Number:
- FG02-00ER15032
- OSTI ID:
- 974200
- Report Number(s):
- Final Report
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
04 OIL SHALES AND TAR SANDS
08 HYDROGEN
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
CHEMICAL REACTIONS
COAL
EXPLORATION
FOSSIL FUELS
HYDROGEN
HYDROGEN ISOTOPES
ISOTOPIC EXCHANGE
KEROGEN
NITROGEN
NITROGEN ISOTOPES
ORGANIC MATTER
OXYGEN
SUBSTRATES
SULFUR
hydrogen stable isotopes
coal
kerogen
oil
bitumen
natural gas
maturation