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Book Chapter

Application of Gas Isotopes to the Thermal History Analysis of Basins

By
Xinyu Xia
Xinyu Xia
Power Environmental Energy Research Institute, 738 Arrow Grand Circle, Covina, California 91722, USA e-mail: tang@peeri.org
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Yongchun Tang
Yongchun Tang
Power Environmental Energy Research Institute, 738 Arrow Grand Circle, Covina, California 91722, USA e-mail: tang@peeri.org
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Published:
January 01, 2012

Abstract

Carbon isotope composition can be used to derive natural gas generation temperature and source rock maturity by applying a rigorous parallel first-order reaction model based on quantum chemistry and microkinetics. In gas generation reactions, the breaking of 13C–12C and 12C–12C bonds has different frequency factors and activation energies. After the optimizing of these kinetic parameters with laboratory experiments, we can use the model to derive natural gas formation temperature and source rock maturity with given carbon isotope composition data. This method is useful for analyzing the thermal history of a basin along with petroleum generation and accumulation history of reservoirs, especially for strata that lack vitrinite for reflectance measurements.

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SEPM Special Publication

Analyzing the Thermal History of Sedimentary Basins: Methods and Case Studies

Nicholas B. Harris
Nicholas B. Harris
University of Alberta
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Kenneth E. Peters
Kenneth E. Peters
Schlumberger and Stanford University
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SEPM Society for Sedimentary Geology
Volume
103
ISBN electronic:
9781565763173
Publication date:
January 01, 2012

GeoRef

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