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Energy Resources

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United States Assessments of Undiscovered Oil and Gas Resources

USGS Energy Resources Program provides periodic assessments of the oil and natural gas endowment of the United States and the World. This website provides access to new, prioritized, assessment results and supporting data for the United States, as part of the Energy Policy and Conservation Act (EPCA).
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United States Assessments of Undiscovered Oil and Gas Resources

USGS Energy Resources Program provides periodic assessments of the oil and natural gas endowment of the United States and the World. This website provides access to new, prioritized, assessment results and supporting data for the United States, as part of the Energy Policy and Conservation Act (EPCA).
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Alaska Petroleum Systems

The Alaska Petroleum Systems project has three main objectives: (A) conduct research that increases our understanding of Alaska petroleum systems, (B) conduct assessments of undiscovered oil and gas resources, and (C) deliver energy-resource information to land and resource managers, policy makers, and the public.
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Alaska Petroleum Systems

The Alaska Petroleum Systems project has three main objectives: (A) conduct research that increases our understanding of Alaska petroleum systems, (B) conduct assessments of undiscovered oil and gas resources, and (C) deliver energy-resource information to land and resource managers, policy makers, and the public.
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World Oil and Gas Resource Assessments

The USGS World Energy Project conducts geologic studies that provide an understanding of the quantity, quality, and geologic distribution of world oil and gas resources. Our geologic studies are conducted in an impartial manner and are performed in collaboration and partnership with energy experts within and outside government. Through synthesis and improved understanding of global oil and gas...
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World Oil and Gas Resource Assessments

The USGS World Energy Project conducts geologic studies that provide an understanding of the quantity, quality, and geologic distribution of world oil and gas resources. Our geologic studies are conducted in an impartial manner and are performed in collaboration and partnership with energy experts within and outside government. Through synthesis and improved understanding of global oil and gas...
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Permian Basin Oil and Gas Assessments

The USGS has conducted several assessments of undiscovered oil and gas in formations in the Permian Basin of western Texas. This inlcudes the following.
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Permian Basin Oil and Gas Assessments

The USGS has conducted several assessments of undiscovered oil and gas in formations in the Permian Basin of western Texas. This inlcudes the following.
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Southwestern Wyoming Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potentional of the Southwestern Wyoming Province 5037 of southwestern Wyoming, northwestern Colorado, and northeastern Utah.
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Southwestern Wyoming Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potentional of the Southwestern Wyoming Province 5037 of southwestern Wyoming, northwestern Colorado, and northeastern Utah.
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Powder River Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Powder River Basin Province 5033.
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Powder River Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Powder River Basin Province 5033.
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Williston Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of conventional and continuous oil and gas resources of the Devonian Three Forks Formation and Devonian and Mississippian Bakken Formation in the Williston Basin Province 5031 of North Dakota, Montana, and South Dakota.
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Williston Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of conventional and continuous oil and gas resources of the Devonian Three Forks Formation and Devonian and Mississippian Bakken Formation in the Williston Basin Province 5031 of North Dakota, Montana, and South Dakota.
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Anadarko Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Anadarko Basin Province 5058.
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Anadarko Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Anadarko Basin Province 5058.
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Uranium Mineral Systems

To assure adequate uranium to supply electricity from nuclear power, the US Geological Survey is working to better understand the genetic controls, distribution, and quantities of domestic uranium. Because of the heavy reliance on imported uranium, scientists also lead international groups of uranium resource experts to monitor world uranium supply. This research benefits the mining industry...
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Uranium Mineral Systems

To assure adequate uranium to supply electricity from nuclear power, the US Geological Survey is working to better understand the genetic controls, distribution, and quantities of domestic uranium. Because of the heavy reliance on imported uranium, scientists also lead international groups of uranium resource experts to monitor world uranium supply. This research benefits the mining industry...
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Stable Isotope Natural Gas Reference Materials

The U.S. Geological Survey has developed a suite of natural gas standards. These reference gases are the replacement for the prior standards maintained by the U.S. National Institute of Standards and Technology. Details regarding development of the HCG RMs are provided in USGS Scientific Investigations Report 2021-5136. The natural gas standards are intended to serve as the primary carbon and...
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Stable Isotope Natural Gas Reference Materials

The U.S. Geological Survey has developed a suite of natural gas standards. These reference gases are the replacement for the prior standards maintained by the U.S. National Institute of Standards and Technology. Details regarding development of the HCG RMs are provided in USGS Scientific Investigations Report 2021-5136. The natural gas standards are intended to serve as the primary carbon and...
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Oil Shale

The USGS Energy Resources Program has studied oil shale resources of the United States, with a significant effort on the Eocene Green River Formation of Colorado, Utah, and Wyoming. This formation contains the largest oil shale deposits in the world. Oil shale, despite the name, does not actually contain oil, but is a precursor of oil that is converted to crude oil when heated.
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Oil Shale

The USGS Energy Resources Program has studied oil shale resources of the United States, with a significant effort on the Eocene Green River Formation of Colorado, Utah, and Wyoming. This formation contains the largest oil shale deposits in the world. Oil shale, despite the name, does not actually contain oil, but is a precursor of oil that is converted to crude oil when heated.
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Arkoma Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Arkoma Basin Province 5062.
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Arkoma Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Arkoma Basin Province 5062.
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