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Filters: System Type: Data Release (X) > Categories: NOT Data Release - In Progress (X) > Tags: {"scheme":"none","name":"usgs"} (X) > Types: OGC WMS Layer (X) > Extensions: Shapefile (X) > Categories: pre-SM502.8 (X)

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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...
Categories: Data, pre-SM502.8; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: 41 = Raton Basin-Sierra Grande Uplift Province, 504101 = Upper Cretaceous-Tertiary Coalbed Gas, 50410101 = Upper Cretaceous-Tertiary Sandstones, 50410181 = Raton Coalbed Gas, 50410182 = Vermejo Coalbed Gas, All tags...
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The hydrogen index (HI) is a parameter obtained from Rock-Eval data which reflects general hydrocarbon generation and maturation trends in petroleum systems. In the Mississippian Barnett Shale, the hydrogen index was used to map general boundaries between regions of oil and gas generation within the extents of the formation. Hydrogen index values were obtained via Rock-Eval analyses of Barnett Shale core samples. In this system, HI values greater than 100 represent primarily oil generation and HI values less than 100 represent primarily gas generation. Secondary gas generation is indicated by HI values less than 50. In addition, the 100 HI line was utilized to establish part of the assessment unit (AU) boundaries...
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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...
Categories: Data, pre-SM502.8; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: 22 = San Juan Basin, 502201 = Fruitland, 50220101 = Tertiary Conventional Gas, 50220161 = Pictured Cliffs Continuous Gas, 50220181 = Fruitland Fairway Coalbed Gas, All tags...
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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...
Categories: Data, pre-SM502.8; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: 501901 = Paleozoic-Tertiary Composite, 50190101 = Neogene Basins, 50190102 = Ranges and Other Structures, 50190102 = Ranges and Other Structures, Arizona, All tags...
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Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of production in an assessment unit or province. A cell map was not created for the Menefee Coal-Bed Gas (50220381) assessment unit because it was considered a hypothetical assessment unit. The Mesaverde Updip oil had production wells associated with it but resource totals were below the minimum and wasn't quantitatively assessed. Each cell represents a quarter-mile square of the land surface, and the cells are coded to represent whether the wells included within the cell are predominantly oil-producing, gas-producing, both oil and gas-producing, dry,...
Categories: Data, pre-SM502.8; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: 22 = San Juan Basin, 502201 = Fruitland, 50220101 = Tertiary Conventional Gas, 50220161 = Pictured Cliffs Continuous Gas, 50220181 = Fruitland Fairway Coalbed Gas, All tags...
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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...
Categories: Data, pre-SM502.8; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: 50210301 = Leadville McCracken, 50210302 = Pennsylvanian Carbonate Buildups and Fractured Limestones, 50210361 = Cane Creek Shale OIl, 50210362 = Cane Creek Shale Gas, 50210363 = Gothic, Chimney Rock, Hovenweep Shale Oil, All tags...
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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 herein 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...
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Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each cell represents a quarter-mile square of the land surface, and the cells are coded to represent whether the wells included within the cell are predominantly oil-producing, gas-producing, both oil and gas-producing, dry, or the type of production of the wells located within the cell is unknown. The well information was initially retrieved from the IHS Energy Group, PI/Dwights PLUS Well Data on CD-ROM, which is a proprietary, commercial database containing information for most oil and gas wells in the...
Categories: Data, pre-SM502.8; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: 41 = Raton Basin-Sierra Grande Uplift Province, 504101 = Upper Cretaceous-Tertiary Coalbed Gas, 50410101 = Upper Cretaceous-Tertiary Sandstones, 50410181 = Raton Coalbed Gas, 50410182 = Vermejo Coalbed Gas, All tags...


    map background search result map search result map National Assessment of Oil and Gas Project Bighorn Basin Province (034) Depth to the top of the Cloverly Formation (Structure_Top_Cloverly.zip) National Assessment of Oil and Gas Project - Paradox Basin (021) Assessment Units National Assessment of Oil and Gas Project - San Juan Basin Province (022) Quarter-Mile Cells National Assessment of Oil and Gas Project - San Juan Basin Province (022) Assessment Units National Assessment of Oil and Gas Project - Raton Basin-Sierra Grande Uplift Province (041) Quarter-Mile Cells National Assessment of Oil and Gas Project - Raton Basin-Sierra Grande Uplift Province (041) Assessment Units National Assessment of Oil and Gas Project - Eastern Great Basin (019) Assessment Units USGS National Assessment of Oil and Gas Project - Mississippian Barnett Shale, Bend Arch-Fort Worth Basin Province Assessment Units USGS National Assessment of Oil and Gas Project - Hydrogen Index (HI), Bend Arch-Fort Worth Basin Province Assessment Units National Assessment of Oil and Gas Project Bighorn Basin Province (034) Depth to the top of the Cloverly Formation (Structure_Top_Cloverly.zip) National Assessment of Oil and Gas Project - San Juan Basin Province (022) Quarter-Mile Cells National Assessment of Oil and Gas Project - San Juan Basin Province (022) Assessment Units National Assessment of Oil and Gas Project - Raton Basin-Sierra Grande Uplift Province (041) Quarter-Mile Cells National Assessment of Oil and Gas Project - Raton Basin-Sierra Grande Uplift Province (041) Assessment Units USGS National Assessment of Oil and Gas Project - Mississippian Barnett Shale, Bend Arch-Fort Worth Basin Province Assessment Units USGS National Assessment of Oil and Gas Project - Hydrogen Index (HI), Bend Arch-Fort Worth Basin Province Assessment Units National Assessment of Oil and Gas Project - Paradox Basin (021) Assessment Units National Assessment of Oil and Gas Project - Eastern Great Basin (019) Assessment Units