USGS Geoscience Data Catalog
Additional USGS Geoscience data can be found by geographic location or by publication series.
Number Name 1201 Anticlinal Trends - Onshore 1202 Basin Margin 1204 Diagenetic 1211 Anticlinal Trends - Offshore State Waters
United States Geological Survey (USGS), 1996, 1995 National Oil and Gas Assessment Conventional Plays within the Santa Maria Basin Province: U.S. Geological Survey Digital Data Series DDS-30, USGS Central Energy Team, Denver, Colorado.Online Links:
This is a Vector data set. It contains the following vector data types (SDTS terminology):
Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.000001. Longitudes are given to the nearest 0.000001. Latitude and longitude values are specified in Decimal degrees.
The horizontal datum used is North American Datum of 1983.
The ellipsoid used is Geodetic Reference System 80.
The semi-major axis of the ellipsoid used is 6378137.0.
The flattening of the ellipsoid used is 1/298.257222.
Value | Definition |
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2 | Pacific Coast |
Value | Definition |
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Pacific Coast |
Value | Definition |
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12 | Santa Maria Basin |
Value | Definition |
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Santa Maria Basin |
Value | Definition |
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1201 | Anticlinal Trends - Onshore |
1202 | Basin Margin |
1204 | Diagenetic |
1211 | Anticlinal Trends - Offshore State Waters |
Value | Definition |
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Anticlinal Trends - Onshore | |
Basin Margin | |
Diagenetic | |
Anticlinal Trends - Offshore State Waters |
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(303) 236-5796 (voice)
schenk@usgs.gov
The purpose of these files is to illustrate the geologic boundary of the play as defined for the 1995 U.S. National Assessment. The play was used as the fundamental assessment unit.
U.S. Geological Survey, Gautier, D.L. (ed.), Dolton, G.L. (ed.), Takahashi, K.I. (ed.), and Varnes, K.L. (ed.), 1996, 1995 National Assessment of United States Oil and Gas Resources--Results, Methodology, and Supporting Data: U.S. Geological Survey Digital Data Series DDS-30.
U.S. Geological Survey, Beeman, W.R. (compiler), Obuch, R.C. (compiler), and Brewton, J.D. (compiler), 1996, Digital Map Data, Text, and Graphical Images in Support of the 1995 National Assessment of United States Oil and Gas Resources: U.S. Geological Survey Digital Data Series DDS-35.
U.S. Geological Survey, Charpentier, R.R. (compiler), Klett, T.R. (compiler), Obuch, R.C. (compiler), and Brewton, J.D. (compiler), 1996, Tabular Data, Text, and Graphical Images in Support of the 1995 National Assessment of United States Oil and Gas Resources: U.S. Geological Survey Digital Data Series DDS-36.
Data sources used in this process:
The main attribute for the play in this coverage is the play number, in which the first two digits represent the province number, and the next two digits represent the play number. Other attributes include the play name, and the region and province names and numbers. Also included are the output fractiles for the distribution of volume of undiscovered resource for the conventional plays (in millions of barrels of oil, billions of cubic feet of gas, or millions of barrels of natural gas liquids). Only accumulations greater than or equal to 1 million barrels of oil or 6 billion cubic feet of natural gas are included in this part of the assessment.
The play boundary was meant to delineate the gross boundary of the geologic elements that define the play.
The play was mapped in part on the data contained in the PI WHCS database for wells (1990 update), and the Nehring Significant Oil and Gas Field File (1992 update). Plays with insufficient data or that were given low probability of containing an accumulation of minimum size, were not quantitatively assessed during the 1995 National Oil and Gas Assessment. Plays that were not quantitatively assessed contain only the attributes defining region/province/play names and numbers.
The play boundaries were defined on the basis of the surface and subsurface geology of the play, and the oil and gas production within the play. The province geologist was required to defend the geologic boundary of the play in a formal play review meeting.
Are there legal restrictions on access or use of the data?
- Access_Constraints: none
- Use_Constraints: none
(303) 236-7773 (voice)
lbiewick@usgs.gov
Although the data has been processed on the computer system at the U.S. Geological Survey, U.S. Department of the Interior, no warranty, expressed or implied, is made by the Geological Survey regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty.
Data format: | Assessment data for plays in format ArcView shapefile (version 1.0) |
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Network links: |
<http://energy.cr.usgs.gov/oilgas/noga/> |
Data format: | Assessment data for plays in format ArcInfo export (version 8.0) |
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Network links: |
<http://energy.cr.usgs.gov/oilgas/noga/> |
(303) 236-7773 (voice)
lbiewick@usgs.gov