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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;
Tags: 44 = Permian Basin,
504401 = Permian Basin Paleozoic Composite,
50440101 = Ellenburger Group Karst and Dolomite,
50440102 = Simpson Group Sandstones,
50440103 = Pre-Pennsylvanian Ramp and Platform Carbonates, All tags...
50440104 = Devonian Thirtyone Formation Chert and Carbonate,
50440105 = Lower Pennsylvanian (Morrow/Atoka) Shelf Sandstone and Carbonate,
50440106 = Pennsylvanian-Lower Permian (Wolfcamp) Northwest Shelf Carbonate,
50440110 = Pennsylvanian-Lower Permian (Wolfcamp) Slope and Basinal Carbonate,
50440111 = Abo Fluvial Sandstones,
50440112 = Abo Shelf/Shelf Edge Carbonates,
50440113 = Leonardian NW and E Shelf Restricted Platform Carbonates,
50440114 = Leonardian Central Basin Platform Restricted Carbonates,
50440115 = Leonardian Midland Basin Carbonate Sediment Gravity Flow Reservoirs,
50440116 = Bone Spring Slope and Basin Reservoirs,
50440117 = Spraberry Conventional Sandstones,
50440118 = San Andres NW Shelf Platform Carbonates,
50440119 = San Andres Eastern Shelf Platform Carbonates,
50440120 = San Andres Central Basin Platform Carbonates,
50440121 = San Andres-Grayburg Lowstand Carbonates,
50440122 = San Andres-Grayburg Artesia-Vacuum Trend Carbonates,
50440123 = Grayburg Central Basin Platform/Ozona Arch Carbonates,
50440124 = Delaware Mountain Group Reservoirs,
50440125 = Queen Sandstones,
50440126 = Upper Artesia Sandstones/Carbonates,
50440127 = Permian Reef Carbonates,
50440128 = Ochoan Evaporites,
50440161 = Delaware/Pecos Basins Woodford Continuous Shale Gas,
50440162 = Delaware/Pecos Basins Barnett Continuous Shale Gas,
50440163 = Midland Basin Woodford/Barnett Continuous Gas,
50440164 = Delaware Basin Wolfcamp Shale,
50440165 = Spraberry Continuous Oil,
Assessment Unit,
Earth Science,
Economic geology,
Energy Resources,
Geology,
National Assessment of Oil and Gas,
Natural Gas,
Natural Resources,
Natural gas resources,
New Mexico,
Oil,
Oil sand resources,
Oil shale resources,
Permian Basin Province,
Pollastro, R.M.,
Resource Assessment,
Schenk, C.S.,
Texas,
U.S. Geological Survey,
US35 = New Mexico,
US48 = Texas,
USGS,
USGS Science Data Catalog (SDC),
USGS World Energy Region 5,
USGS World Energy Region 5,
United States,
geoscientificInformation, Fewer tags
Cell maps for each oil and gas assessment unit were created by the USGS to illustrate 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 were then coded to indicate whether the wells included within the cell are predominantly oil-producing, gas-producing, are both oil- and gas-producing, or are dry or the type of production 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 U.S. Cells were developed as a graphic...
Categories: Data,
pre-SM502.8;
Tags: 044 = Permian Basin,
504401 = Permian Basin Paleozoic Composite,
50440101 = Ellenburger Group Karst and Dolomite,
50440102 = Simpson Group Sandstones,
50440103 = Pre-Pennsylvanian Ramp and Platform Carbonates, All tags...
50440104 = Devonian Thirtyone Formation Chert and Carbonate,
50440105 = Lower Pennsylvanian (Morrow/Atoka) Shelf Sandstone and Carbonate,
50440106 = Pennsylvanian-Lower Permian (Wolfcamp) Northwest Shelf Carbonate,
50440110 = Pennsylvanian-Lower Permian (Wolfcamp) Slope and Basinal Carbonate,
50440111 = Abo Fluvial Sandstones,
50440112 = Abo Shelf/Shelf Edge Carbonates,
50440113 = Leonardian NW and E Shelf Restricted Platform Carbonates,
50440114 = Leonardian Central Basin Platform Restricted Carbonates,
50440115 = Leonardian Midland Basin Carbonate Sediment Gravity Flow Reservoirs,
50440116 = Bone Spring Slope and Basin Reservoirs,
50440117 = Spraberry Conventional Sandstones,
50440118 = San Andres NW Shelf Platform Carbonates,
50440119 = San Andres Eastern Shelf Platform Carbonates,
50440120 = San Andres Central Basin Platform Carbonates,
50440121 = San Andres-Grayburg Lowstand Carbonates,
50440122 = San Andres-Grayburg Artesia-Vacuum Trend Carbonates,
50440123 = Grayburg Central Basin Platform/Ozona Arch Carbonates,
50440124 = Delaware Mountain Group Reservoirs,
50440125 = Queen Sandstones,
50440126 = Upper Artesia Sandstones/Carbonates,
50440127 = Permian Reef Carbonates,
50440128 = Ochoan Evaporites,
50440161 = Delaware/Pecos Basins Woodford Continuous Shale Gas,
50440162 = Delaware/Pecos Basins Barnett Continuous Shale Gas,
50440163 = Midland Basin Woodford/Barnett Continuous Gas,
50440164 = Delaware Basin Wolfcamp Shale,
50440165 = Spraberry Continuous Oil,
Assessment Unit,
Cells,
Earth Science,
Economic geology,
Energy Resources,
Geology,
National Assessment of Oil and Gas,
Natural Gas,
Natural Resources,
Natural gas resources,
New Mexico,
Oil,
Oil sand resources,
Oil shale resources,
Permian Basin Province,
Pollastro, R.M.,
Resource Assessment,
Schenk, C.S.,
Texas,
U.S. Geological Survey,
US35 = New Mexico,
US48 = Texas,
USGS,
USGS Science Data Catalog (SDC),
USGS World Energy Region 5,
USGS World Energy Region 5,
United States,
geoscientificInformation, Fewer tags
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