Stocks of naturally formed hydrocarbon gases which are usually associated with petroleum fields. Useful for heating, they are principally methane, but can be ethane, butane, or propane.
Brief overview of gas hydrates and current research. Site also contains links to related USGS research and publications and web sites of other groups participating in gas hydrate research.
Study of the effects on the environment of hydrocarbons and produced water (brines) at Skiatook Lake, Osage Reservation, Oklahoma, with links to maps, photos, and data.
World Petroleum Assessment 2000 estimates of the quantities of conventional oil, gas, and natural gas liquids outside the United States that have the potential to be added to reserves in the next 30 years (1995 to 2025).
A rigorous geologic foundation for estimating world undiscovered energy resources. Links to world energy resources text and maps (PDF format), total petroleum system (TPS), and world geologic maps.
The Central Energy Team, Denver, in the USGS Energy Resources Program, provides assessments of energy resources (coal, oil, natural gas). Site links to world and national assessments, publications and products, and Methane Field Conference.
Catalog of USGS publications on energy resources of the U.S. including online publications, paper publications, and geospatial products (interactive maps and GIS data)
Methane (natural gas), while frequently developed with petroleum, also occurs in association with coal and accounts for about 7.5 percent of U.S. natural gas production. Links to digital publications on coalbed methane.
U.S. Department of the Interior |
U.S. Geological Survey