Export to Refworks Export to EndNote Email
Report an Issue

Laboratory Constraints on the Stability of Petroleum at Elevated Temperatures [electronic resource] : Implications for the Origin of Natural Gas

Published:
Washington, D.C. : United States. Dept. of Energy. Office of Science, 2011.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
4,766 KB : digital, PDF file
Additional Creators:
Woods Hole Oceanographic Institution, United States. Department of Energy. Office of Science, United States. Department of Energy. Office of Energy Research, and United States. Department of Energy. Office of Scientific and Technical Information
Access Online

Availability

I Want It

Finding items...

Restrictions on Access:
Free-to-read Unrestricted online access
Summary:
Results of prior DOE supported research conducted at the Woods Hole Oceanographic Institution have demonstrated the participation of sedimentary minerals and water as reactants and catalysts in chemical transformations associated with the degradation of oil and the formation of low molecular weight organic compounds. The occurrence of such processes in natural environments can be difficult to recognize because the composition of organic alteration products may not be substantially different than those produced by thermal cracking. The goals of this study were the development of diagnostic tools based on hydrogen and carbon isotopes that can be used to identify geochemical processes responsible for the formation of thermogenic natural gas. In addition, our activities were expanded to include experimental investigation of CO2 reduction in aqueous systems at elevated temperature and pressures and an assessment of microbial activity in relatively low temperature (<70°C) natural gas reservoirs in southeastern Oklahoma. Specific objectives included: ● A laboratory investigation of geochemical processes that regulate the hydrogen isotope composition of low molecular weight hydrocarbons in natural gas at elevated temperatures and pressures. ● A laboratory investigation of factors that regulate the carbon isotope composition of organic acids in basinal brines. ● A laboratory assessment of the role of methanol during reduction of CO2 to CH4 under hydrothermal conditions. ● Characterization of microbial ecosystems in coproduced fluids from the Potato Hills gas field to assess the role of microbes in the generation of natural gas.
Report Numbers:
E 1.99:1008348
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
03/14/2011.
Seewald, Jeffrey, S.
Type of Report and Period Covered Note:
Final; 12/15/1996 - 03/14/2008
Funding Information:
FG02-97ER14746
View MARC record | catkey: 14378831