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 descriptions, contacts, and links to other information and products for research programs of the USGS Central Energy Team on gas hydrates, petroleum expulsion, unconventional natural gas, petroleum systems, and reserve growth.
This updated global inventory reports on natural gas hydrate recovered or inferred from geophysical, geochemical, or geological evidence. Includes links to world location maps, inventories, references and posters. Also in PDF format files.
Distribution and characteristics of natural oil and gas seeps in California, including processes of formation and effects on the environment; with discussion of tar pits and asphaltum.
Links to overview, major programs, products and publications on coal, oil & gas, environment & human health, and resource economics, and special applications (Geo-Data Explorer (GEODE) and Kidzone)
Links to Energy Resources Program research on coal, oil & gas, other energy sources, environment & human health, publications, energy resource assessment, and Geo-Data Explorer (GEODE).
Home page for the Western Region Energy Resources Program with links to Alaska petroleum studies project, coal, oil and gas, other energy sources, environment and human health, publications, energy links, and GEODE.
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.
Field trip to Powder River Basin coalbed methane (CBM) development areas showing impacts related to drilling, facilities, pipeline networks, access roads, withdrawal, and disposal of co-produced water from CBM wells.
Investigation of the upper- and middle continental slope of the Mississippi Canyon, including the Gulf of Mexico, for the distribution of gas-hydrate deposits with links to a DEM image map, bathymetry data, and research technology.
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U.S. Geological Survey