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Devonian Siltstone Shale Assessment Unit - National Assessment of Oil and Gas Project - Appalachian Basin Province (067) Assessment Units {2002}

Geological Survey (U.S.) · 2002 Full Details

Full Details

Title
Devonian Siltstone Shale Assessment Unit - National Assessment of Oil and Gas Project - Appalachian Basin Province (067) Assessment Units {2002}
Description
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 the Assessment Unit, such as limits of reservoir rock, geologic structures, source rock, and seal lithologies. The only exceptions to this are Assessment Units that border the Federal-State water boundary. In these cases, the Federal-State water boundary forms part of the Assessment Unit boundary.
Creator
Geological Survey (U.S.)
Date Issued
2002
Access Rights
Public
Format
File
Language
English
Date Added
February 22, 2023

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Cite and Reference

  • Citation
    Geological Survey (U.S.) (2002). Devonian Siltstone Shale Assessment Unit - National Assessment of Oil and Gas Project - Appalachian Basin Province (067) Assessment Units {2002}. . https://www.pasda.psu.edu/uci/DataSummary.aspx?dataset=1338 (dataset)
  • BTAA Geoportal Link

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