Energy Resources Program
Wednesday, October 24, 2012
USGS Publication: Open-File Report 2012–1144
The Middle Eocene Claiborne Group was assessed using established U.S. Geological Survey (USGS) assessment methodology for undiscovered conventional hydrocarbon resources as part of the 2007 USGS assessment of Paleogene-Neogene strata of the United States part of the Gulf of Mexico Basin including onshore and State waters. Total estimated mean undiscovered conventional hydrocarbon resources in the seven assessment units combined are 52 million barrels of oil, 19.145 trillion cubic feet of natural gas, and 1.205 billion barrels of natural gas liquids.
Thursday, October 04, 2012
Press Release & Publication
The Utica Shale contains about 38 trillion cubic feet of undiscovered, technically recoverable natural gas (at the mean estimate) according to the first assessment of this continuous (unconventional) natural gas accumulation by the U. S. Geological Survey. The Utica Shale has a mean of 940 million barrels of unconventional oil resources and a mean of 208 million barrels of unconventional natural gas liquids.
Wednesday, October 03, 2012
USGS Publication: Open-File Report 2012–1194Detailed and reconnaissance field mapping and the results of geochemical and mineralogical analyses of outcrop samples indicate that the Devonian shales of the Broadtop Synclinorium from central Virginia to southern Pennsylvania have an organic content sufficiently high and a thermal maturity sufficiently moderate to be considered for a shale gas play.
Monday, October 01, 2012
Outside Publication: SPE Reservoir Evaluation & Engineering, Volume 15, Issue 05
This paper is the third in a series of different methodological tests aimed at enhancement in the assessment of unconventional resources in the form of more effective use of implicit and explicit information contained in the data, more accurate evaluation of resources, and more informative display of results. Reprocessing of estimated ultimate recovery (EUR) data at the Woodford gas shale in Oklahoma shows that subdivision of the play into areas as homogeneous as possible can produce comparable results with those obtained employing several variables correlated to local productivity.
Thursday, August 23, 2012
Outside Publication: AAPG Search and DiscoveryMany oil and gas reservoirs in Tertiary strata of southern Louisiana are located close to the interface between a sand-rich, normally pressured sequence and an underlying sand-poor, overpressured sequence. This association, recognized for many years by Gulf Coast explorationists, is revisited here because of its relevance to an assessment of undiscovered oil and gas potential in the Gulf Coast of Louisiana.
Tuesday, August 14, 2012
Press Release & Publication
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.
Monday, August 13, 2012
USGS Publication: Open-File Report 2012‒1091
Shale resource plays occur in predictable tectonic settings within similar orders of magnitude of eustatic events. A conceptual model for predicting the presence of resource-quality shales is essential for evaluating components of continuous petroleum systems.
Thursday, August 09, 2012
USGS Publication: Open-File Report 2012–1146The purpose of this report is to explain the development of an analytic probabilistic method and spreadsheet software system called Analytic Cell-Based Continuous Energy Spreadsheet System (ACCESS). The ACCESS spreadsheet can be used to calculate estimates of the undeveloped oil, gas, and NGL (natural gas liquids) resources in a continuous-type assessment unit.
Thursday, July 26, 2012
USGS Publication: Open-File Report 2012-1046A one-dimensional petroleum system modeling study of Paleogene source rocks in Louisiana was undertaken in order to characterize their thermal history and to establish the timing and extent of petroleum generation. The focus of the modeling study was the Paleocene and Eocene Wilcox Formation, which contains the youngest source rock interval in the Gulf Coast Province.
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
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