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USGS National and Global Oil and Gas Assessment Project—Northern Alaska Province Conventional Gas Resources—Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Northern Alaska Province Conventional Gas Resources—Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units and input data for the assessment of undiscovered conventional gas resources of the North Slope Province of Arctic Alaska. The assessment unit is the fundamental unit used in the National and Global Oil and Gas Assessment (NAGA) Project for the assessment of undiscovered oil and gas resources. The assessment unit is defined...
USGS National Oil and Gas Assessment Resource Summary and Federal Land Allocations USGS National Oil and Gas Assessment Resource Summary and Federal Land Allocations
All the data presented here were compiled from published U.S. Geological Survey National oil and gas assessment results, both hardcopy and digital, from 1995-present. Each record in the table has been published previously as part of a conventional or continuous assessment under the National and Global Assessment (NAGA) Project. This data release includes more than 700 records from 70...
USGS National and Global Oil and Gas Assessment Project—Utica Shale, Eastern Canada: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Utica Shale, Eastern Canada: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units, assessment input data, and resulting fact sheet data tables for the assessment of undiscovered shale-gas resources of the Ordovician Utica Shale of Eastern Canada. The assessment unit is the fundamental unit used in the National and Global Oil and Gas Assessment (NAGA) Project for the assessment of undiscovered oil and gas...
United States Documented Orphaned Well Database 2026 United States Documented Orphaned Well Database 2026
The United States Documented Orphaned Well Database (DOWDB) contains 130,121 unplugged oil and gas wells in 28 states. This release of the data is an update to, and supersedes, the initial version (Grove and Merrill, 2022). The definition of an orphaned oil or gas well varies across data sources; the database includes oil or gas wells where the state indicates that the well is an...
USGS National and Global Oil and Gas Assessment Project—Niger Delta Province: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Niger Delta Province: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units, assessment input data, and resulting fact sheet data tables for the assessment of undiscovered conventional oil and gas resources of the Niger Delta Province of Nigeria and Cameroon. The assessment unit is the fundamental unit used in the National and Global Oil and Gas Assessment (NAGA) Project for the assessment of...
USGS National and Global Oil and Gas Assessment Project—Central Arabian Peninsula: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Central Arabian Peninsula: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units, assessment input data, and resulting fact sheet data tables for the assessment of undiscovered conventional oil and gas resources of the central Arabian Peninsula. The assessment unit is the fundamental unit used in the National and Global Oil and Gas Assessment (NAGA) Project for the assessment of undiscovered oil and gas...
USGS National and Global Oil and Gas Assessment Project—Amu Darya Basin and Afghan-Tajik Basin Provinces Conventional Resources: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Amu Darya Basin and Afghan-Tajik Basin Provinces Conventional Resources: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units, assessment input data, and resulting fact sheet data tables for the assessment of undiscovered conventional oil and gas resources in the Amu Darya Basin and Afghan-Tajik Basin Provinces of Turkmenistan, Uzbekistan, Tajikistan, Afghanistan, and Iran. The assessment unit is the fundamental unit used in the National and Global...
Geochemical data for sedimentary rocks and bentonites from the U.S. Cretaceous Western Interior Seaway Geochemical data for sedimentary rocks and bentonites from the U.S. Cretaceous Western Interior Seaway
Geochemical data were generated and compiled for sedimentary rocks and bentonites deposited in the Cretaceous Western Interior Seaway from 15 drill cores and 1 outcrop spanning present-day Texas to Alaska. These data were collected to better understand Cretaceous source rocks and petroleum systems of the United States. These data accompany a manuscript that will be submitted to a journal...
Geochemical and mineralogical data for the USGS Gulf Coast 2 (GC-2) drill core for samples from the Woodbine Group to lower part of the Eagle Ford Group Geochemical and mineralogical data for the USGS Gulf Coast 2 (GC-2) drill core for samples from the Woodbine Group to lower part of the Eagle Ford Group
Geochemical data reported here were collected on samples from the USGS Gulf Coast 2 (GC-2) core that was drilled near Dallas, TX, representing a proximal location of the Eagle Ford Group. These data were collected to better characterize the properties and variability within the Eagle Ford Group, an important and prolific petroleum source rock unit. This data accompanies a manuscript that...
USGS National and Global Oil and Gas Assessment Project—Northern Africa Basins Shale-Oil and Shale-Gas Resources: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Northern Africa Basins Shale-Oil and Shale-Gas Resources: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units, assessment input data, and resulting fact sheet data tables for the assessment of undiscovered shale-oil and shale-gas resources in the Berkine, Illizi, Hamra, Murzuq, and Erdis Kufra Basins of northern Africa. The assessment unit is the fundamental unit used in the National and Global Oil and Gas Assessment (NAGA) Project...
USGS National and Global Oil and Gas Assessment Project—Berkine, Illizi, and Hamra Basins Tight-Gas Resources: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Berkine, Illizi, and Hamra Basins Tight-Gas Resources: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units, assessment input data, and resulting fact sheet data tables for the assessment of undiscovered tight-gas resources in the Berkine, Illizi, and Hamra Basins of northern Africa. The assessment unit is the fundamental unit used in the National and Global Oil and Gas Assessment (NAGA) Project for the assessment of undiscovered...
USGS National and Global Oil and Gas Assessment Project—Amu Darya Basin Province Continuous Resources: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Amu Darya Basin Province Continuous Resources: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units, assessment input data, and resulting fact sheet data tables for the assessment of undiscovered continuous oil and gas resources in the Amu Darya Basin Province of Turkmenistan, Uzbekistan, and Afghanistan. The assessment unit is the fundamental unit used in the National and Global Oil and Gas Assessment (NAGA) Project for the