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A new project in Japan is helping scientists make significant progress in studying gas hydrates as a potential source for natural gas production. This research advances understanding of the global distribution of gas hydrates as well as ... |
Wednesday, February 13, 2013 Type: Field Report
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USGS Releases new Frequently Asked Questions (FAQs) on Hydraulic Fracturing ("Fracking"). A new Hydraulic Fracturing Website and Multimedia Gallery is also now online. |
Thursday, January 10, 2013 Type: Site News
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This study updates a stratigraphic cross section published as plate 2 in USGS Digital Data Series 69-G. The datum is a marine/tidal ravinement surface within the Cozzette Sandstone Member of the Iles Formation and the Thompson Canyon Sandstone and Sulphur Canyon Sandstone Beds of the Neslen Formatio... |
Thursday, January 03, 2013 Type: Publication
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The Upper Cretaceous Austin Chalk forms a low-permeability, onshore Gulf of Mexico reservoir that produces oil and gas from major fractures oriented parallel to the underlying Lower Cretaceous shelf edge. Horizontal drilling links these fracture systems to create an interconnected network that... |
Thursday, December 20, 2012 Type: Publication
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The Bighorn Basin is a large Laramide (Late Cretaceous through Eocene) structural and sedimentary basin that encompasses about 10,400 square miles in north-central Wyoming and south-central Montana. The purpose of this report is to present new vitrinite reflectance data collected from Cretaceous... |
Wednesday, December 19, 2012 Type: Publication
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Much of the oil and gas in the Illinois, Michigan, and Appalachian basins of eastern North America is thought to be derived from Devonian shale that is within these basins. As the Devonian strata were buried by younger sediments, the Devonian shale was subjected to great temperature and pressure... |
Monday, December 03, 2012 Type: Publication
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Using a probabilistic geology-based methodology, a team of U.S. Geological Survey (USGS) scientists recently assessed the remaining recoverable oil in 10 oil fields of the Los Angeles Basin in southern California. The results of the assessment suggest that between 3.2 and 5.6 billion barrels... |
Wednesday, November 28, 2012 Type: Publication
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One hundred forty-four sedimentary basins (or groups of basins) in the United States (both onshore and offshore) are identified, located, and briefly described as part of a Geographic Information System (GIS) data base in support of the Geologic Carbon Dioxide Sequestration National Assessment... |
Thursday, November 15, 2012 Type: Publication
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Mercury is a toxic pollutant. In its elemental form, gaseous mercury has a long residence time in the atmosphere, up to a year, allowing it to be transported long distances from emission sources. Mercury can be emitted from natural sources such as... |
Tuesday, November 13, 2012 Type: Publication
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Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean volumes of undiscovered conventional petroleum resources in six geologic provinces of China at 14.9 billion barrels of oil, 87.6 trillion cubic feet of natural gas, and 1.4 billion barrels of natural-gas liquids. |
Thursday, November 01, 2012 Type: Publication
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Accurate S-wave velocities for shallow sediments are important in performing a reliable elastic inversion for gas hydrate-bearing sediments and in evaluating velocity models for predicting S-wave velocities, but few S-wave velocities are measured at low effective pressure. Predicting S-wave... |
Tuesday, July 20, 2010 Type: Publication
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The estimation of domestic or global CO2 storage resource in geologic formations is challenging... |
Thursday, July 08, 2010 Type: Press Release
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Using a geologic-based assessment methodology, the U.S. Geological Survey 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... |
Tuesday, June 29, 2010 Type: Publication
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The U.S. Geological Survey, in accordance with the Energy Independence and Security Act of 2007, developed a methodology to estimate storage potential that could be applied uniformly to geologic formations across the United States... |
Tuesday, June 01, 2010 Type: Publication
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Atmospheric emissions, transport and deposition of mercury (Hg) are key processes leading to the global mercury contamination problem (Wiener et al., 2003). Mercury emissions to the atmosphere arise from natural and anthropogenic sources, and by re-emission of previously deposited... |
Monday, May 17, 2010 Type: Outside Publication
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Within the United States (USA), a large group of people still use significant amounts of coal for home heating and some cooking. Among these are members of the Navajo Nation. Almost 175,000 people live within... |
Thursday, April 01, 2010 Type: Outside Publication
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Map of the Arctic sedimentary successions was assembled (A. Grantz, R.A. Scott, S.S. Drachev, and T.E. Moore, Maps showing the sedimentary successions of the Arctic Region (58°-64° to 90° N) that may be prospective for hydrocarbons. |
Monday, March 29, 2010 Type: Outside Publication
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Large amplitude waveform features have been identified in pulse-transmission shear-wave measurements through cylinders that are long relative to the acoustic wavelength. The arrival times and amplitudes of these features do not follow the predicted behavior of well-known bar waves, but instead... |
Wednesday, March 17, 2010 Type: Publication
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As part of the Department of the Interior’s evaluation of whether to segregate nearly 1 million acres of federal lands near the Grand Canyon from new uranium claims, the United States Geological Survey today released a report on uranium resources and uranium mining impacts in the area. |
Wednesday, February 17, 2010 Type: Publication
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Felsic volcanic rocks have long been considered a primary source of uranium for many kinds of uranium deposits, but volcanogenic uranium deposits themselves have generally not been important resources... |
Friday, January 22, 2010 Type: Publication
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The U.S. Geological Survey estimated volumes of technically recoverable, conventional petroleum resources that have the potential to be added to reserves from reserve growth in 70 discovered oil and gas accumulations of the United States, excluding Federal offshore areas. |
Tuesday, August 14, 2012 Type: Press Release & Publication
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The U.S. Geological Survey estimated volumes of technically recoverable, conventional petroleum resources resulting from reserve growth for discovered fields outside the United States that have reported in-place oil and gas volumes of 500 million barrels of oil equivalent or greater. The mean... |
Monday, June 18, 2012 Type: Press Release & Publication
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Using a geology-based assessment methodology, the U.S. Geological Survey estimated means of 565 billion barrels of conventional oil and 5,606 trillion cubic feet of undiscovered conventional natural gas in 171 priority geologic provinces of the world, exclusive of the United States. |
Wednesday, April 18, 2012 Type: Press Release & Publication
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National Oil and Gas Assessment Project: The USGS 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... |
Friday, February 24, 2012 Type: Press Release & Publication
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In 2011, the USGS completed an assessment of the undiscovered oil and gas potential of the Devonian Marcellus Shale within the Appalachian Basin Province of the eastern United States. |
Tuesday, August 23, 2011 Type: Press Release & Publication
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Significant Natural Gas Resources Remain to Be Discovered in Cook Inlet, Alaska: Assessment of Undiscovered Oil and Gas Resources of the Cook Inlet Region, South-Central Alaska, 2011... |
Tuesday, June 28, 2011 Type: Press Release & Publication
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USGS will update its 2008 estimate of undiscovered, technically recoverable oil and gas in the U.S. portion of the Bakken Formation, an important domestic petroleum resource located in North Dakota and Montana. Additional information includes: FAQs, podcast, fact sheet, and presentation. |
Wednesday, May 25, 2011 Type: Press Release & Publication
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The U.S. Geological Survey assessment on the economic recoverability of undiscovered, conventional oil and gas resources within the National Petroleum Reserve in Alaska (NPRA) and adjacent state waters is now available online. |
Wednesday, May 04, 2011 Type: Press Release
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"These new findings underscore the challenge of predicting whether oil or gas will be found in frontier areas and the importance of analyzing the geologic characteristics and history of an area in order to understand the oil and gas resources,” explains USGS Director, Dr. Marcia McNutt. |
Sunday, October 03, 2010 Type: Press Release & Publication
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Gulf of Mexico Gas Hydrate Joint Industry Project Leg II (Press Release & Field Report): On May 6, 2009 a government and industry consortium, lead by the U.S. Department of Energy (DOE), the U.S. Geological Survey (USGS), U.S. Minerals Management Service (MMS) and a group of U.S. and internation... |
Friday, May 29, 2009 Type: Field Report
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New Assessment of the Bakken Formation
will begin in Fiscal Year 2012 USGS will update its 2008 estimate of undiscovered, technically recoverable oil and gas in the U.S. portion of the Bakken Formation, an important domestic petroleum resource located in North Dakota and Montana. Additional information includes: FAQs, podcast, fact sheet, and presentation.
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