Assessment of undiscovered oil resources in the devonian-mississippian bakken formation, williston basin province, montana and north dakota,2008.pdf

National Assessment of Oil and Gas Fact Sheet
Assessment of Undiscovered Oil Resources in the Devonian-Mississippian
Bakken Formation, Williston Basin Province, Montana and North Dakota, 2008
108° 107° 106° 105° 104° 103° 102° 101° 100° 99° 98° 97°
Using a geology-based assessment methodology, the .
49°
Geological Survey estimated mean undiscovered volumes CANADA
of billion barrels of oil, trillion cubic feet of UNITED STATES
POPLAR
DOME NESSON Minot
associated/dissolved natural gas, and 148 million barrels of Williston
48° ANTICLINE
natural gas liquids in the Bakken Formation of the Williston Grand Forks
Sidney
Basin Province, Montana and North Dakota. MONTANA Bakken-Lodgepole TPS
CEDAR CREEK
Glendive LITTLE KNIFE
47° ANTICLINE
Jamestown Fargo
CENTRAL ANTICLINE Dickinson
Introduction MONTANA Bismarck
UPLIFT BILLINGS
Miles ANTICLINE
The . Geological Survey (USGS) completed an assess- 46° City NORTH DAKOTA
ment of the undiscovered oil and associated gas resources of
the Upper Devonian–Lower Mississippian Bakken Formation Williston Basin SOUTH DAKOTA
Province
in the . portion of the Williston Basin of Montana and North 45°
Sheridan
Dakota and within the Williston Basin Province (fig. 1). The WYOMING
CANADA
Pierre
assessment is based on geologic elements of a total petroleum Gillette
MT ND
44° Rapid City