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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...
The structure contours were created using biostratigraphic data in the Paleo-Data, Inc., Tenroc Regional Geologic Database. The depths of the microfossil locations were associated with the wells data provided by the Louisiana Department of Natural Resources. Because of the proprietary nature of the Tenroc database, no actual data can be shown and only those data points contained in the Louisiana State wells database are included in the control points layer. Contouring was accomplished in Dynamic Graphics, Inc., EarthVision modeling software (v.5) using minimum tension gridding. Three custom programs were used to convert contour lines generated from grids in EarthVision to Arc/Info coverages and then to shapefiles....
Categories: Data,
pre-SM502.8;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Coal,
Coalbed Methane,
Coalbed methane resources,
Contours,
Earth Science,
The drilling history documents oil and gas wells in the Lower Miocene 1 sequence as a whole and in 10-year intervals. The wells included in this interval are determined by completion date and by comparing the depth of the wells to structure contours of the Lower Miocene 1 sequence. The data are provided in a single file (lm1_prod.shp) as well as eight 10-year interval files covering 1920 through 1999. These datasets contain basic data and interpretations developed and compiled by the U.S. Geological Survey's Framework Studies and Assessment of the Gulf Coast Project. Other major sources of data include publicly available information from state agencies as well as publications of the U.S. Geological Survey and other...
Categories: Data,
pre-SM502.8;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Coal,
Coalbed Methane,
Coalbed methane resources,
Earth Science,
Economic geology,
The drilling history documents oil and gas wells in the Lower Miocene 2 sequence as a whole and in 10-year intervals. The wells included in this interval are determined by completion date and by comparing the depth of the wells to structure contours of the Lower Miocene 2 sequence. The data are provided in a single file (lm2_prod.shp) as well as nine 10-year interval files covering 1910 through 1999. These datasets contain basic data and interpretations developed and compiled by the U.S. Geological Survey's Framework Studies and Assessment of the Gulf Coast Project. Other major sources of data include publicly available information from state agencies as well as publications of the U.S. Geological Survey and other...
Categories: Data,
pre-SM502.8;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Coal,
Coalbed Methane,
Coalbed methane resources,
Earth Science,
Economic geology,
The USGS Central Region Energy Team assesses oil and gas resources of the United States. The onshore and State water areas of the United States comprise 71 provinces. Within these provinces, Total Petroleum Systems are defined and Assessment Units are defined and assessed. Each of these provinces is defined geologically, and most province boundaries are defined by major geologic changes. The Eastern Oregon-Washington Province is located in eastern Oregon and eastern Washington, encompassing all or parts of Baker, Clackamas, Crook, Deschutes, Gilliam, Grant, Harney, Hood River, Jefferson, Linn, Malheur, Marion, Morrow, Sherman, Umatilla, Union, Wallowa, Wasco, Wheeler Counties in Oregon and all or parts of Adams,...
Categories: Data,
pre-SM502.8;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: 05 = Eastern Oregon-Washington,
500501 = Creataceous-Tertiary Composite,
50050101 = Eastern Oregon and Washington Conventional Gas,
50050102 = Republic Graben Gas,
50050161 = Columbia Basin Convention Gas,
The Pod (or pods) of Mature Source Rock is a critical element of the Total Petroleum System and incorporates all source rocks that potentially have generated hydrocarbons within the system. The Pod(s) of Mature Source Rock is shown here as a geographic boundary defined and mapped by the geologist responsible for the province, and incorporates the known limit of thermally mature, organic-rich source rock(s) that is responsible for generating and expelling discovered and undiscovered petroleum accumulations, shows, or seeps within the Total Petroleum System. The Pod(s) of Mature Source Rock boundary was mapped by the province geologist after studying the extent of the source rock facies and the temperature and burial...
The Total Petroleum System is used in the National Assessment Project and incorporates the Assessment Unit, which is the fundamental geologic unit used for the assessment of undiscovered oil and gas resources. The Total Petroleum System is shown here as a geographic boundary defined and mapped by the geologist responsible for the province and incorporates not only the set of known or postulated oil and (or) gas accumulations, but also the geologic interpretation of the essential elements and processes within the petroleum system that relate to source, generation, migration, accumulation, and trapping of the discovered and undiscovered petroleum resource(s).
Categories: Data,
pre-SM502.8;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: 504501 = Barnett Paleozoic,
50450101 = Paleozoic Shelf and Bank Carbonate Oil and Gas,
50450102 = Mississippian Chappel Pinnacle Reef Oil and Gas,
50450161 = Greater Newark East Frac-Barrier Continuous Barnett Shale Gas,
50450162 = Extended Continuous Barnett Shale Gas,
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...
Categories: Data,
pre-SM502.8;
Tags: Assessment Unit,
Continuous Assessment Unit,
Energy Resources,
Geology,
National Assessment of Oil and Gas,
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...
Categories: Data,
pre-SM502.8;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Assessment Unit,
Barnett Continuous Gas,
Barnett Mixed Continuous Gas and Oil,
Continuous Assessment Unit,
Earth Science,
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;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: 503301 = Tertiary-Upper Cretaceous Coalbed Methane,
50330101 = Eastern Basin Margin Upper Fort Union Sandstone,
50330181 = Wasatch Formation,
50330182 = Upper Fort Union Formation,
50330183 = Lower Fort Union-Lance Formations,
This dataset comprises a collection of tabular data and graphical images supporting the U.S. Geological Survey's National Oil and Gas Assessment (NOGA) for San Joaquin Basin Province (010). The dataset includes detailed information on crude oil and natural gas production, including volumetric and descriptive data such as cumulative production, remaining reserves, and known recoverable volumes. Historical data covering field-discovery dates, well completion dates, exploration objectives, and well depths are also provided. Data sources include commercial databases along with supplemental information from various federal and state agencies. No proprietary data is included in this. The dataset is presented in multiple...
Categories: Data;
Tags: Energy Resources,
National and Global Assessment Oil and Gas,
Natural Gas,
Oil,
USGS Science Data Catalog (SDC),
This dataset comprises a collection of tabular data and graphical images supporting the U.S. Geological Survey's National Oil and Gas Assessment (NOGA) for Eastern Great Basin Province (019). The dataset includes detailed information on crude oil and natural gas production, including volumetric and descriptive data such as cumulative production, remaining reserves, and known recoverable volumes. Historical data covering field-discovery dates, well completion dates, exploration objectives, and well depths are also provided. Data sources include commercial databases along with supplemental information from various federal and state agencies. No proprietary data is included in this. The dataset is presented in multiple...
Categories: Data,
pre-SM502.8;
Tags: Energy Resources,
National and Global Assessment Oil and Gas,
Natural Gas,
Oil,
USGS Science Data Catalog (SDC),
This dataset comprises a collection of tabular data and graphical images supporting the U.S. Geological Survey's National Oil and Gas Assessment (NOGA) for Bend Arch-Ft. Worth Basin Province (045). The dataset includes detailed information on crude oil and natural gas production, including volumetric and descriptive data such as cumulative production, remaining reserves, and known recoverable volumes. Historical data covering field-discovery dates, well completion dates, exploration objectives, and well depths are also provided. Data sources include commercial databases along with supplemental information from various federal and state agencies. No proprietary data is included in this. The dataset is presented in...
Categories: Data,
pre-SM502.8;
Tags: Energy Resources,
National and Global Assessment Oil and Gas,
Natural Gas,
Oil,
USGS Science Data Catalog (SDC),
National Assessment of Oil and Gas Project - Southwestern Wyoming Province (037) Maturation Contours
The maturation contours show vitrinite reflectance trends and ranges for petroleum system horizons within the Southwestern Wyoming Province. The horizons are the base of the Niobrara Formation, the top of the Frontier Formation, the base of the Mesaverde Formation, the top of the Mesaverde Formation/base of the Lewis Formation, and the top of the Lewis Formation. The ranges of vitrinite reflectance shown for the Niobrara horizons are 0.6, 0.8-1.3, and 1.3. The ranges for the top of the Frontier are less than 0.6, less than 0.8, 0.6-0.8, 0.8-1.3, and greater than 1.3. The ranges for the base of the Mesaverde are less than 0.6, 0.6-0.8, 0.8-1.1, 1.1-2.0, greater than 1.1, greater than 1.3, 2.0-2.2, greater than 2.0,...
This coverage includes polygons and polygon labels that hold name of tectonic elements from the original tectonic map of Bangladesh.
Categories: Data;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Bangladesh,
Digital map,
Earth Science,
Economic geology,
Ganges-Brahmaputra Delta, Province 8047,
This coverage includes arcs, polygons, and polygon labels that describe the Total Petroleum System boundaries of the natural gas resources of Bangladesh. This resource assessment was completed jointly by the U.S. Geological Survey and Petrobangla.
Categories: Data;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Bangladesh,
Digital geologic map,
Earth Science,
Economic geology,
Ganges-Brahmaputra Delta, Province 8047,
This coverage includes arcs, polygons, and polygon labels that describe the geologic age and type of surface outcrops of bedrock of the Bangladesh. It also includes shorelines and inland water bodies.
Categories: Data;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Age,
Bangladesh,
Digital geologic map,
Earth Science,
Economic geology,
This dataset represents lineaments in the Powder River Basin as identified in the following U.S. Geological Survey Professional Paper: Anna, L.O., 1986, Geologic framework of the ground water system in Jurassic and Cretaceous rocks on the Northern Great Plains, in parts of Montana, North Dakota, South Dakota, and Wyoming: U.S. Geological Survey Professional Paper 1402-B, 36 p. A lineament is defined as a linear topographic feature of regional extent that is believed to reflect crustal structure (Hobbs et al., 1976, p. 267). Lineament features were transferred from the publication to a hard-copy base map by province geologist, then digitized and referenced for use in a Geographic Information System (GIS). Lineaments...
Categories: Data,
pre-SM502.8;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: 503301 = Tertiary-Upper Cretaceous Coalbed Methane,
50330101 = Eastern Basin Margin Upper Fort Union Sandstone,
50330181 = Wasatch Formation,
50330182 = Upper Fort Union Formation,
50330183 = Lower Fort Union-Lance Formations,
This dataset comprises a collection of tabular data and graphical images supporting the U.S. Geological Survey's National Oil and Gas Assessment (NOGA) for Uinta-Piceance Province (020). The dataset includes detailed information on crude oil and natural gas production, including volumetric and descriptive data such as cumulative production, remaining reserves, and known recoverable volumes. Historical data covering field-discovery dates, well completion dates, exploration objectives, and well depths are also provided. Data sources include commercial databases along with supplemental information from various federal and state agencies. No proprietary data is included in this. The dataset is presented in multiple...
Categories: Data,
pre-SM502.8;
Tags: Energy Resources,
National and Global Assessment Oil and Gas,
Natural Gas,
Oil,
USGS Science Data Catalog (SDC),
Coalbed Methane wells are provided as a method for analysis and illustration of the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each point represents a well location and is symbolized as producing oil, gas, both oil and gas, or other (dry or unknown) using the status code in the attribute table. Data were provided by the Wyoming State Oil and Gas Conservation Commission. See supplemental information section for limitations and assumptions about data.
Categories: Data,
pre-SM502.8;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: 503301 = Tertiary-Upper Cretaceous Coalbed Methane,
50330101 = Eastern Basin Margin Upper Fort Union Sandstone,
50330181 = Wasatch Formation,
50330182 = Upper Fort Union Formation,
50330183 = Lower Fort Union-Lance Formations,
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