U.S. Geological Survey
Open-File Report 02-439
By Christopher P. Garrity, David W. Houseknecht, and Kenneth J. Bird
This report provides digital GIS files of maps for each of the 24 plays evaluated in the U.S. Geological Survey (USGS) 2002 petroleum resource assessment of the NPRA (Bird and Houseknecht, 2002a). These are the same maps released in pdf format by Bird and Houseknecht (2002b).
The USGS released in 2002 a summary of the estimated volume of technically recoverable, undiscovered oil and nonassociated gas resources for 24 plays in NPRA (Bird and Houseknecht, 2002b). The NPRA assessment study area includes Federal and Native onshore land and adjacent State offshore areas. A map showing the areal extent of each play was prepared by USGS geologists as a preliminary step in the assessment process. Boundaries were drawn on the basis of a variety of information, including seismic reflection data, results of previous exploration drilling, and regional patterns of rock properties. Play boundary polygons were captured by digitizing the play maps prepared by USGS geologists. Federal, Native, and State areas were later clipped from the play boundary polygons, allowing for acreages to be calculated for entire plays and for various subareas within plays.
Bird, K.J., and Houseknecht, D.W., 2002a, U.S. Geological Survey 2002 petroleum resource assessment of the National Petroleum Reserve in Alaska (NPRA): U.S. Geological Survey Fact Sheet 045-02, 6 p. Available online at: http://geopubs.wr.usgs.gov/fact-sheet/fs045-02/
Bird, K.J., and Houseknecht, D.W., 2002b, U.S. Geological Survey 2002 petroleum resource assessment of the National Petroleum Reserve in Alaska (NPRA): Play maps and technically recoverable resource estimates: U.S. Geological Survey Open-File Report 02-207, 18 p. Available online at: http://geopubs.wr.usgs.gov/open-file/of02-207/
National Petroleum Reserve in Alaska - 2002 Assessment: http://energy.usgs.gov/npra.html
Download Online Files
GIS Play Maps (Compressed) [28.8 MB]
Accessing the Assessment Maps on Your Computer
This ArcView project has a compressed directory strucuture and should be extracted to the user's hard drive by following the directions below:
System Requirements (minimum)
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For questions about the scientific content of this report, contact Chris Garrity or Dave Houseknecht.
U.S. Department of the Interior, U.S. Geological Survey
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Last modified: 03:15:55 Fri 11 Jan 2013
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