http://www.modernexploration.com

http://www.eia.doe.gov/pub/oil_gas/petroleum/analysis_publications/oil_market_basics/default.htm

http://tonto.eia.doe.gov/oog/info/twip/twip.asp

http://www.doe.gov/engine/content.do

The U.S. Department of Energy's (DOE) Office of Scientific and Technical Information (OSTI) provides access to a wealth of energy, science, and technology research and development (R&D) information from the Manhattan Project to the present.
http://www.osti.gov/index.html

Energy Information Administration

http://www.eia.doe.gov/

Texas U.S. Geological Survey

http://water.usgs.gov/wid/html/tx.html#43.3

Gulf of Mexico Regional Ocean Prediction System

http://ees-www.lanl.gov/EES5/Publications/RegionalOcean.html

National Petroleum Council

http://www.npc.org/

http://www.uspto.gov/

http://www.fedworld.gov/

American Gas Association

http://www.aga.org/

http://www.altavista.com/

All the good ones

http://www.allsearchengines.com/