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Monday, February 27, 2012

Assessment of Potential Unconventional Carboniferous-Permian Gas Resources of the Liaohe Basin Eastern Uplift, Liaoning Province, China, 2011

USGS Publication: Fact Sheet 2012–3018
The U.S. Geological Survey estimated a mean of 448 billion cubic feet of potential technically recoverable unconventional natural gas in Carboniferous and Permian coal-bearing strata in the eastern uplift of the Liaohe Basin, Liaoning Province, China.


Friday, February 24, 2012

Shale Gas and Shale Oil Resource Potential of the Alaska North Slope

Press Release & Publication
The U.S. Geological Survey estimated potential, technically recoverable oil and gas resources for source rocks of the Alaska North Slope. Estimates (95-percent to 5-percent probability) range from zero to 2 billion barrels of oil and from zero to nearly 80 trillion cubic feet of gas.


Thursday, February 16, 2012

Assessment of undiscovered oil and gas resources of the Williston Basin Province of North Dakota, Montana, and South Dakota

Data Series for the Assessment

USGS Publication: Digital Data Series 69–W
Using a geology-based assessment method, the U.S. Geological Survey estimated mean undiscovered volumes of 3.8 billion barrels of undiscovered oil, 3.7 trillion cubic feet of associated/dissolved natural gas, and 0.2 billion barrels of undiscovered natural gas liquids in the Williston Basin Province, North Dakota, Montana, and South Dakota. This is the data series for the assessment.


Sunday, February 12, 2012

Gas Hydrate Geochemistry from 35 Wells, North Slope, Alaska

USGS Publication: Scientific Investigations Report 2011–5195
As part of a U.S. Geological Survey (USGS) and Bureau of Land Management gas hydrate research collaboration, well-cutting and mud-gas samples have been collected and analyzed from mainly industry-drilled wells on the North Slope for the purpose of prospecting for gas hydrate deposits.


Wednesday, February 08, 2012

2011 Assessment of Undiscovered Oil and Gas Resources of the Amu Darya Basin and Afghan–Tajik Basin Provinces

Afghanistan, Iran, Tajikistan, Turkmenistan, and Uzbekistan

USGS Publication: Fact Sheet 2011–3154
Using a geology-based assessment methodology, the U.S. Geological Survey estimated 962 million barrels of crude oil, 52 trillion cubic feet of natural gas, and 582 million barrels of natural gas liquids for the Amu Darya Basin Province and 946 million barrels of crude oil, 7 trillion cubic feet of natural gas, and 85 million barrels of natural gas liquids for the Afghan–Tajik Basin Province of Afghanistan, Iran, Tajikistan, Turkmenistan, and Uzbekistan. 


Wednesday, February 08, 2012

Assessment of Undiscovered Oil and Gas Resources in Conventional and Continuous Petroleum Systems in the Upper Cretaceous Eagle Ford Group, U.S. Gulf Coast Region, 2011

USGS Publication: Fact Sheet 2012–3003
Using a geology-based assessment methodology, the U.S. Geological Survey assessed means of (1) 141 million barrels of oil (MMBO), 502 billion cubic feet of natural gas (BCFG), and 16 million barrels of natural gas liquids (MMBNGL) in the conventional Eagle Ford Updip Sandstone Oil and Gas Assessment Unit (AU); (2) 853 MMBO, 1,707 BCFG, and 34 MMBNGL in the continuous Eagle Ford Shale Oil AU; and (3) 50,219 BCFG and 2,009 MMBNGL in the continuous Eagle Ford Shale Gas AU in onshore lands and State waters of the Gulf Coast.


Tuesday, February 07, 2012

Review of Rare Earth Element Concentrations in Oil Shales of the Eocene Green River Formation

USGS Publication: Open-File Report 2012-1016
Concentrations of the lanthanide series or rare earth elements and yttrium were determined for lacustrine oil shale samples from the Eocene Green River Formation in the Piceance Basin of Colorado and the Uinta Basin of Utah. Unprocessed oil shale, post-pyrolysis (spent) shale, and leached shale samples were examined to determine if oil-shale processing to generate oil or the remediation of retorted shale affects rare earth element concentrations.


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