Deposits (pools) of highly valuable liquid hydrocarbons or fossil fuels.
Economics of undiscovered oil in the federal lands of the National Petroleum Reserve, Alaska [ More info] 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.
In-place oil shale resources examined by grade in the major basins of the Green River Formation, Colorado, Utah, and Wyoming [ More info] We estimated a total of 4.285 trillion barrels of oil in-place in the oil shale of this area using a geology-based assessment methodology.
In-Place Oil Shale Resources Underlying Federal Lands in the Piceance Basin, Western Colorado [ More info] We estimated an in-place oil shale resource of 1.07 trillion barrels under Federal mineral rights, or 70 percent of the total oil shale in place, in this area.
Remaining recoverable petroleum in giant oil fields of the Los Angeles Basin, southern California [ More info] We estimated between 3.2 and 5.6 billion barrels of additional oil may be recovered with existing technology in this area using a probabilistic geology-based assessment methodology.
Additional oil and natural gas research [ More info] 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.
Arctic National Wildlife Refuge, 1002 Area, petroleum assessment, 1998, including economic analysis [ More info] Arctic National Wildlife Refuge (ANWR) 1002 area's petroleum resource assessment. Text available in PDF and HTML formats.
Assessment of remaining recoverable oil in selected major oil fields of the Permian Basin, Texas and New Mexico [ More info] The mean total volume of potential additional oil resources that might be added using improved oil-recovery technologies was estimated to be about 2.7 billion barrels of oil.
Assessment of remaining recoverable oil in selected major oil fields of the San Joaquin Basin, California [ More info] The mean total volume of potential oil reserves that might be added in the nine fields using improved oil-recovery technologies was estimated to be about 6.5 billion barrels of oil.
Assessment of Undiscovered Hydrocarbon Resources of the Western Oregon and Washington Province [ More info] We estimated mean volumes of 2.2 trillion cubic feet (TCF) of undiscovered natural gas and 15 million barrels of oil (MMBO) in the using a geology-based assessment methodology.
Assessment of Undiscovered Natural Gas Resources of the Arkoma Basin Province and Geologically Related Areas [ More info] We estimated mean volumes of 38 trillion cubic feet (TCF) of undiscovered natural gas, 159 million barrels of natural gas liquid (MMBNGL), and no oil in accumulations of 0.5 million barrels (MMBO) or larger in this area.
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