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.
Online report summarizing the economic analysis of the U.S. Geological Survey's 2002 petroleum assessment of the Federal lands in the National Petroleum Reserve Alaska (NPRA) study area.
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.
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.
Homepage about the Geology Discipline with links to what's new, publications, real-time hazards information, partnerships, fellowship program, and major science programs.
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.
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.
U.S. Department of the Interior |
U.S. Geological Survey