Petroleum systems and assessment of undiscovered oil and gas in the Denver Basin Province, Colorado, Kansas, Nebraska, South Dakota, and Wyoming — USGS Province 39
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Abstract
The purpose of the U.S. Geological Survey's (USGS) National Oil and Gas Assessment is to develop geologically based hypotheses regarding the potential for additions to oil and gas reserves in priority areas of the United States. The USGS recently completed an assessment of undiscovered oil and gas resources of the Denver Basin Province (USGS Province 39), Colorado, Kansas, Nebraska, South Dakota, and Wyoming. Petroleum is produced in the province from sandstone, shale, and limestone reservoirs that range from Pennsylvanian to Upper Cretaceous in age. This assessment is based on geologic principles and uses the total petroleum system concept. The geologic elements of a total petroleum system include hydrocarbon source rocks (source rock maturation, hydrocarbon generation and migration), reservoir rocks (sequence stratigraphy and petrophysical properties), and hydrocarbon traps (trap formation and timing). The USGS used this geologic framework to define seven total petroleum systems and twelve assessment units. Nine of these assessment units were quantitatively assessed for undiscovered oil and gas resources. Gas was not assessed for two coal bed methane assessment units due to lack of information and limited potential; oil resources were not assessed for the Fractured Pierre Shale Assessment Unit due to its mature development status.
Study Area
Publication type | Report |
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Publication Subtype | USGS Numbered Series |
Title | Petroleum systems and assessment of undiscovered oil and gas in the Denver Basin Province, Colorado, Kansas, Nebraska, South Dakota, and Wyoming — USGS Province 39 |
Series title | Data Series |
Series number | 69-P |
DOI | 10.3133/ds69P |
Edition | Version 1.0 |
Year Published | 2007 |
Language | English |
Publisher | U.S. Geological Survey |
Description | HTML Document; CD-ROM |
Larger Work Type | Report |
Larger Work Subtype | USGS Numbered Series |
Larger Work Title | National assessment of oil and gas projects (Data Series 69) |
Country | United States |
State | Colorado, Kansas, Nebraska, South Dakota, Wyoming |
Other Geospatial | Denver Basin Province |
Online Only (Y/N) | N |
Additional Online Files (Y/N) | Y |
Google Analytic Metrics | Metrics page |