DDS-067 Chapter H [Back]

A Possible Deep-Basin High-Rank Gas Machine Via Water Organic-Matter Redox Reactions

Contents
Abstract
Introduction
Natural Gas Generation Mechanisms
The Hydrolytic Disproportionation of Organic Matter
Evidence for the Hydrolytic Disproportionation of Organic Matter
Hydrogenation of Kerogen by Water in the Laboratory

Excess CO₂ Production.
Excess HC Production

Evidence for Kerogen Hydrogenation in Nature

Coals
Los Angeles Basin Upper Miocene Shales
Bakken Formation Shales
Conclusions and Implications from the Natural Data

A Deep High-Rank Gas-Generation Machine?

Lignite High-Temperature Experiments
Phosphoria Formation Shale High-Temperature Experiments
Anna Shale Member of Pawnee Limestone High-Temperature Experiments
Anna Shale Member 425 ° C Variable Water
CO₂ Carbon-Isotopic Values
Reservations and Ramifications of a Deep-Basin Gas Machine

Further Research .
Conclusions
References Cited
Appendix. Replication of HC Generation in the Laboratory

Figures
1-12. Plots of:
1. Generated CO₂ versus experimental temperature for aqueous-experiments with three different source rocks
2. Generated CO₂ versus experimental temperature for aqueous-experiments with two source rocks and a coal
3. HC-generation products versus experimental temperature for aqueous-pyrolysis experiments with a coal and a source rock
4. ROCK-EVAL data for a worldwide suite of coals versus reflectance
5. ROCK-EVAL hydrogen indices versus vitrinite reflectance for worldwide suite of coals
6. ROCK-EVAL data versus burial temperature for rocks from Los Angeles Basin

7. ROCK-EVAL hydrogen index versus burial depth for Bakken shales, Williston Basin
8. HC-generation products for high-temperature ( > 350 ° C) aqueous-experiments on the Phosphoria Formation shale
9. HC-generation products for high-temperature ( > 350 ° C) aqueous-experiments on the Anna Shale Member of Pawnee Limestone
10. Generated CO₂ and HC-generation products for constant temperature ( 425 ° C) aqueous-pyrolysis experiments with the Anna Shale of Pawnee Limestone versus experimental rock/ water ratio
11. Carbon-isotopic values of CO₂ generated in variable-aqueous-pyrolysis experiments for three rocks versus temperature
12. Carbon-isotopic values of generated CO₂ for aqueous-pyrolysis experiments on six rocks versus starting CaCO₃ content of the rocks
[Back]