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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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This report identifies and contains geologic descriptions of twelve storage assessment units (SAUs) in six separate packages of sedimentary rock within the Hanna, Laramie, and Shirley Basins of Wyoming. It focuses on the particular characteristics, specified in the methodology, that influence... |
Thursday, November 01, 2012 Type: Publication
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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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2,263 scanned logs of various types including gamma ray, sonic, neutron, caliper, and lithologic descriptions are available for 621 different wells in the Piceance Basin of western Colorado. Logged intervals generally focus on the Green River Formation which contains large amounts of oil shale in th... |
Wednesday, January 02, 2013 Type: Site News
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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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Scanned copies of three legacy USGS publications with detailed stratigraphy of Late Cretaceous and Early Tertiary rocks in eastern Utah and western Colorado are now available online. MF 1050: five measured sections, in the Mesa Verde Group and Wasatch Formation, in the vicinity of De Beque Colorado ... |
Monday, December 17, 2012 Type: Technical Announcement
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Mathematicians and geochemists have long realized that compositional data intrinsically exhibit a structure prone to spurious and induced correlations. This paper demonstrates, using the Na–Cl–Br system, that these mathematical problems are exacerbated in the study of sedimentary basin brines by... |
Thursday, December 13, 2012 Type: Outside 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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There are multiple ways to characterize uncertainty in the assessment of coal resources, but not all of them are equally satisfactory. Increasingly, the tendency is toward borrowing from the statistical tools developed in the last 50 years for the quantitative assessment of other mineral commodities... |
Wednesday, November 28, 2012 Type: Outside 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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Page Last Modified: Friday, October 05, 2012
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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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