Petroleum Systems and Geologic Assessment of Oil and Gas in the Bighorn Basin Province, Wyoming and Montana
Data Series
69-V
National Assessment of Oil and Gas Project
By: U.S. Geological Survey Bighorn Basin Assessment Team
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Abstract
The U.S. Geological Survey (USGS) recently completed an assessment of the undiscovered oil and gas potential of the Bighorn Basin Province, which encompasses about 6.7 million acres in north-central Wyoming and southern Montana. The assessment is based on the geologic elements of each total petroleum system defined in the province, including petroleum source rocks (source-rock maturation, petroleum generation, and migration), reservoir rocks (sequence stratigraphy and petrophysical properties), and traps (trap formation and timing). Using this geologic framework, the USGS defined two total petroleum systems: (1) Phosphoria, and (2) Cretaceous-Tertiary Composite. Within these two systems, eight assessment units (AU) were defined, and undiscovered oil and gas resources were quantitatively estimated within each AU.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Petroleum Systems and Geologic Assessment of Oil and Gas in the Bighorn Basin Province, Wyoming and Montana |
| Series title | Data Series |
| Series number | 69 |
| Chapter | V |
| DOI | 10.3133/dds069V |
| Edition | - |
| Year Published | 2010 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey |
| Contributing office(s) | National Assessment of Oil and Gas Project |
| Description | 8 chps.; CD-ROM |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | Y |
| Google Analytic Metrics | Metrics page |