Energy Resources Program
Thursday, July 11, 2013
West Edmond field, located in central Oklahoma, is one of the largest oil accumulations in the Silurian–Devonian Hunton Group in this part of the Anadarko Basin. Production from all stratigraphic units in the field exceeds 170 million barrels of oil (MMBO) and 400 billion cubic feet of gas (BCFG), of which approximately 60 MMBO and 100 BCFG have been produced from the Hunton Group. The USGS completed a geologic-based assessment of the undiscovered oil and gas resources of the Anadarko Basin province in western Oklahoma and Kansas, northern Texas, and southeastern Colorado in 2010 (Higley et al., 2011).
Thursday, June 27, 2013
Poster awarded First Place for the Gordon I. Atwater Award recognizing best research poster presented at the 2012 Gulf Coast Association of Geological Societies Convention on October 21-24, 2012 in Austin, TX.
Wednesday, June 12, 2013
USGS Publication: Open-File ReportThe U.S. Geological Survey created a comprehensive geopressure-gradient model of the regional pressure system spanning the onshore and offshore Gulf of Mexico basin, USA. This model was used to generate ten maps that included (1) five contour maps characterizing the depth to the surface defined by the first occurrence of isopressure gradients ranging from 0.60 psi/ft to 1.00 psi/ft, in 0.10-psi/ft increments; and (2) five supporting maps illustrating the spatial density of the data used to construct the contour maps.
Friday, May 24, 2013
USGS Publication: NOGA Map Updates
The main objective of the National Assessment of Oil and Gas Project is to assess the potential for undiscovered oil and natural gas resources of the onshore United States. These maps include the latest updates to the basin assessments.
Wednesday, May 22, 2013
Estimated ultimate recoveries (EURs) are a key component in determining productivity of wells in continuous-type oil and gas reservoirs. EURs form the foundation of a well-performance-based assessment methodology initially developed by the USGS (USGS; Schmoker, 1999). This methodology was formally reviewed by the American Association of Petroleum Geologists Committee on Resource Evaluation (Curtis and others, 2001).
Monday, April 29, 2013
Press Release & PublicationUsing a geology-based assessment methodology, the USGS estimated mean undiscovered volumes of 7.4 billion barrels of oil, 6.7 trillion cubic feet of natural gas, and 0.53 billion barrels of natural gas liquids in the Bakken and Three Forks Formations in the Williston Basin Province of Montana, North Dakota, and South Dakota.
Thursday, April 11, 2013
USGS Publication: Digital Data Series DDS–69–ZThe USGS has compiled a map of shale-gas assessments in the United States that were completed by 2012 as part of the National Assessment of Oil and Gas Project. Using a geology-based assessment methodology, the U.S. Geological Survey quantitatively estimated potential volumes of undiscovered gas within shale-gas assessment units. These shale-gas assessment units are mapped, and square-mile cells are shown to represent proprietary shale-gas wells. The square-mile cells include gas-producing wells from shale intervals
Tuesday, April 02, 2013
USGS Publication: Digital Data Series 69–FIn 2002, the USGS estimated undiscovered oil and gas resources that have the potential for additions to reserves in the San Juan Basin Province, New Mexico and Colorado. Paleozoic rocks were not appraised. The last oil and gas assessment for the province was in 1995. There are several important differences between the 1995 and 2002 assessments. The area assessed is smaller than that in the 1995 assessment. This assessment of undiscovered hydrocarbon resources in the San Juan Basin Province also used a slightly different approach in the assessment, and hence a number of the plays defined in the 1995 assessment are addressed differently in this report.
Tuesday, February 05, 2013
USGS Publication: Open-File Report 2013‒1001Over the last decade, oil and gas well productivities were estimated using decline-curve analysis for thousands of wells as part of USGS studies of continuous (unconventional) oil and gas resources in the United States. The estimated ultimate recoveries (EURs) of these wells show great variability that was analyzed at three scales: within an assessment unit (AU), among AUs of similar reservoir type, and among groups of AUs with different reservoir types. 3 SHEETS
The USGS Energy Resources Program provides periodic assessments of the oil and natural gas endowment of the United States. New, prioritized, assessment results, as part of the Energy Policy and Conservation Act (EPCA) and the current National Assessment are shown above. Additional EPCA and priority basin assessment results will be posted as they become available.
Inventory of Onshore Federal Oil and Natural Gas Resources and Restrictions to Their Development (Phase III Inventory - Onshore United States)
Scientific Inventory of Onshore Federal Lands' Oil and Gas Resources and the Extent and Nature of Restrictions or Impediments to Their Development (EPCA Phase II)
Scientific Inventory Onshore Federal Lands' Oil and Gas Resources and Reserves and the Extent and Nature of Restrictions or Impediments to their Development (EPCA Phase I)
Bureau of Ocean Energy Management (BOEM) Resource Assessment
American Association of Petroleum Geologists
Bureau of Land Management
Page Last Modified: Thursday, May 11, 2017