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National Assessment of Oil and Gas Project - Williston Basin Province (031) Assessment Units

Dates

Publication Date
Time Period
2008
Release Date
2008

Citation

United States Geological Survey, 2008, National Assessment of Oil and Gas Project - Williston Basin Province (031) Assessment Units: U.S. Geological Survey data release, https://doi.org/10.5066/P9PE45W3.

Summary

The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleum System. The Assessment Unit is shown here as a geographic boundary interpreted, defined, and mapped by the geologist responsible for the province and incorporates a set of known or postulated oil and (or) gas accumulations sharing similar geologic, geographic, and temporal properties within the Total Petroleum System, such as source rock, timing, migration pathways, trapping mechanism, and hydrocarbon type. The Assessment Unit boundary is defined geologically as the limits of the geologic elements that define [...]

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Attached Files

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au31g.jpg thumbnail 33.56 KB image/jpeg
au31g_bundle.zip 771.37 KB application/zip

Purpose

The purpose of these files is to define and illustrate the geographic limit and geologic boundaries of the Assessment Units within the defined Total Petroleum Systems, as required for the USGS National Assessment of Oil and Gas Project. The Assessment Units were used as the fundamental units for the assessment of undiscovered oil and gas. The assessment unit boundaries define the combined geologic limits of each Assessment Unit and are described and defined in the text portions of this assessment publication.
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Communities

  • Energy Resources Program

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Harvest Set
Theme
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Provenance

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9PE45W3

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