Assessments

The U.S. Geological Survey completed the following assessments of undiscovered natural gas resources of the Sacramento Basin Province of California 5008.

In 2006, the U.S. Geological Survey (USGS) completed the following assessments of undiscovered gas resources of the Eastern Oregon and Washington Province 5005.

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Western Oregon and Washington Province 5004.

The U.S. Geological Survey completed the following assessments of conventional and continuous oil and gas resources of the Devonian Three Forks Formation and Devonian and Mississippian Bakken Formation in the Williston Basin Province 5031 of North Dakota, Montana, and South Dakota.

Central Energy Resources Science Center - Gas Hydrates Project Page

The USGS has conducted several assessments of undiscovered oil and gas in formations in the Permian Basin of western Texas. This inlcudes the following.

The Alaska Petroleum Systems project has three main objectives: (A) conduct research that increases our understanding of Alaska petroleum systems, (B) conduct assessments of undiscovered oil and gas resources, and (C) deliver energy-resource information to land and resource managers, policy makers, and the public.

One of the main goals of the Gulf Coast Geologic Energy Assessments and Research (GEAR) project is to conduct assessments of undiscovered, technically recoverable petroleum resources of the U.S. Gulf Coast region. This goal is in accordance with the Energy Policy and Conservation Act (EPCA) and is performed in collaboration with the USGS National Oil and Gas Assessment project. These high-quality...

The USGS has conducted numerous assessments of undiscovered oil and gas in the Appalachian Basin, including studies of the Marcellus Shale. The region extends from Alabama to Maine. The following is an overview of the assessments.

Field Report

The U.S. Geological Survey (USGS) recently completed the first assessment of the undiscovered technically recoverable gas-hydrate resources on the North Slope of Alaska. Using a geology-based assessment methodology, the USGS estimates that there are about 85 trillion cubic feet (TCF) of undiscovered, technically recoverable gas resources within gas hydrates in northern Alaska. Read the full...