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1995 National Oil and Gas Assessment 1/4-Mile Cells within the Louisiana-Mississippi Salt Basins Province

Metadata also available as - [Outline] - [Parseable text] - [DIF]

Frequently anticipated questions:

What does this data set describe?

Title:
1995 National Oil and Gas Assessment 1/4-Mile Cells within the Louisiana-Mississippi Salt Basins Province
Abstract:
Cell maps for each oil and gas play were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of production in a play or province. Each cell represents a quarter-mile square of the land surface, and the cells are coded to represent whether the wells included within the cell are predominantly oil-producing, gas-producing, both oil and gas-producing, or dry. The well information was initially retrieved from the Petroleum Information (PI) Well History Control System (WHCS), which is a proprietary, commercial database containing information for most oil and gas wells in the U.S. Cells were developed as a graphic solution to overcome the problem of displaying proprietary WHCS data. No proprietary data are displayed or included in the cell maps. The data from WHCS were current as of December 1990 when the cell maps were created in 1994.
Supplemental_Information:
Oil and gas plays within province 49 (Louisiana-Mississippi Salt Basins) are listed here by play number, type, and name: 
Number Type           Name
 4901  conventional   Piercement Salt Dome Flanks Oil and Gas
 4902  conventional   Basement Structures Oil and Gas
 4903  conventional   Norphlet Mobile Bay Deep Gas
 4904  conventional   Norphlet Wiggins - Hancock Arch Gas
 4905  conventional   Norphlet Salt Basin Oil and Gas
 4906  conventional   Norphlet Alabama Updip Oil
 4907  conventional   Norphlet SE Margin Jackson Dome Flank Deep Gas
 4908  conventional   Norphlet Southern Arkansas/East Texas Oil
 4909  conventional   Smackover Wiggins - Baldwin Flanks Gas
 4910  conventional   Smackover Alabama/Florida Peripheral Fault Zone Oil and Gas
 4911  conventional   Smackover Alabama/Florida Updip Oil
 4912  conventional   Smackover Salt Basins Gas and Oil
 4913  conventional   Smackover Jackson Dome Deep Gas
 4914  conventional   Smackover Jackson Dome Flank CO2
 4915  conventional   Smackover North Louisiana Gray Sandstone Gas
 4916  conventional   Smackover East Texas - Southern Arkansas Fault Zone Oil and Gas
 4917  conventional   Smackover East Texas - South Arkansas Updip Oil
 4918  conventional   Haynesville Salt Basins Gas and Oil
 4919  conventional   Haynesville Updip Alabama - Florida Oil
 4920  conventional   Gilmer Limestone Gas
 4921  conventional   Cotton Valley Updip Oil
 4922  conventional   Cotton Valley Salt Basins Gas
 4923  continuous     Cotton Valley Blanket Sandstones Gas
 4924  conventional   Cotton Valley Sabine Uplift Gas
 4925  conventional   Hosston Updip Oil
 4926  conventional   Hosston/Travis Peak Salt Basins Gas
 4927  conventional   Travis Peak Sabine Uplift Gas
 4928  conventional   Sligo/Pettet Updip Oil
 4929  conventional   Sligo/Pettet Salt Basins Gas
 4930  conventional   Pettet Southern Sabine Uplift Gas and Oil
 4931  conventional   James Limestone Gas
 4932  conventional   Glen Rose/Rodessa Updip Oil
 4933  conventional   Glen Rose/Rodessa Salt Basins Gas
 4934  conventional   Paluxy Updip Oil
 4935  conventional   Paluxy Downdip Gas
 4936  conventional   Tuscaloosa Peripheral Fault Zone Oil
 4937  conventional   Tuscaloosa/Woodbine Structural Oil and Gas
 4938  conventional   Tuscaloosa Stratigraphic Oil and Gas
 4939  conventional   Woodbine/Tuscaloosa Sabine Flanks Oil
 4940  conventional   Eutaw/Tokio Updip Oil
 4941  conventional   Eutaw Southern Salt Basins Gas
 4942  conventional   Austin Oil
 4943  conventional   Selma Salt Basins Oil
 4944  conventional   Nacotoch/Navarro Oil and Gas
 4945  conventional   Wilcox Salt Basins Oil
 4946  conventional   Wilcox N. Louisiana Salt Basin Gas
 4947  conventional   Mobile Bay Miocene Gas
  1. How should this data set be cited?

    United States Geological Survey (USGS), 1996, 1995 National Oil and Gas Assessment 1/4-Mile Cells within the Louisiana-Mississippi Salt Basins Province: U.S. Geological Survey Digital Data Series DDS-30, USGS Central Energy Team, Denver, Colorado.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -94.4858774
    East_Bounding_Coordinate: -84.8579224
    North_Bounding_Coordinate: 34.5678298
    South_Bounding_Coordinate: 29.50339967

  3. What does it look like?

  4. Does the data set describe conditions during a particular time period?

    Calendar_Date: 01-Dec-1990
    Currentness_Reference: 19901201

  5. What is the general form of this data set?

    Geospatial_Data_Presentation_Form: vector digital data

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

      This is a Vector data set. It contains the following vector data types (SDTS terminology):

      • Entity point
      • Point

    2. What coordinate system is used to represent geographic features?

      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. 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 6378137.00.
      The flattening of the ellipsoid used is 1/298.257222.

  7. How does the data set describe geographic features?

    pr"playnum"cg.pat or pr"playnum"cg.dbf
    Point Attribute Table. For each play, "playnum" is replaced with the actual play number in either a file, pr"playnum"cg.pat, or a table, pr"playnum"cg.dbf. (Source: U.S. Geological Survey)

    REG_NUM
    Region Number (Source: U.S. Geological Survey Energy Resource Regions)

    ValueDefinition
    6Gulf Coast

    REG_NAME
    Region Name (Source: U.S. Geological Survey Energy Resource Regions)

    ValueDefinition
    Gulf Coast 

    PROV_NUM
    Province Number (Source: U.S. Geological Survey Energy Resource Provinces)

    ValueDefinition
    49Louisiana-Mississippi Salt Basins

    PROV_NAME
    Province Name (Source: U.S. Geological Survey Energy Resource Provinces)

    ValueDefinition
    Louisiana-Mississippi Salt Basins 

    PLAY_NUM
    Play Number (Source: U.S. Geological Survey Energy Resource Plays)

    ValueDefinition
    4901Piercement Salt Dome Flanks Oil and Gas
    4902Basement Structures Oil and Gas
    4903Norphlet Mobile Bay Deep Gas
    4904Norphlet Wiggins - Hancock Arch Gas
    4905Norphlet Salt Basin Oil and Gas
    4906Norphlet Alabama Updip Oil
    4907Norphlet SE Margin Jackson Dome Flank Deep Gas
    4908Norphlet Southern Arkansas/East Texas Oil
    4909Smackover Wiggins - Baldwin Flanks Gas
    4910Smackover Alabama/Florida Peripheral Fault Zone Oil and Gas
    4911Smackover Alabama/Florida Updip Oil
    4912Smackover Salt Basins Gas and Oil
    4913Smackover Jackson Dome Deep Gas
    4914Smackover Jackson Dome Flank CO2
    4915Smackover North Louisiana Gray Sandstone Gas
    4916Smackover East Texas - Southern Arkansas Fault Zone Oil and Gas
    4917Smackover East Texas - South Arkansas Updip Oil
    4918Haynesville Salt Basins Gas and Oil
    4919Haynesville Updip Alabama - Florida Oil
    4920Gilmer Limestone Gas
    4921Cotton Valley Updip Oil
    4922Cotton Valley Salt Basins Gas
    4923Cotton Valley Blanket Sandstones Gas
    4924Cotton Valley Sabine Uplift Gas
    4925Hosston Updip Oil
    4926Hosston/Travis Peak Salt Basins Gas
    4927Travis Peak Sabine Uplift Gas
    4928Sligo/Pettet Updip Oil
    4929Sligo/Pettet Salt Basins Gas
    4930Pettet Southern Sabine Uplift Gas and Oil
    4931James Limestone Gas
    4932Glen Rose/Rodessa Updip Oil
    4933Glen Rose/Rodessa Salt Basins Gas
    4934Paluxy Updip Oil
    4935Paluxy Downdip Gas
    4936Tuscaloosa Peripheral Fault Zone Oil
    4937Tuscaloosa/Woodbine Structural Oil and Gas
    4938Tuscaloosa Stratigraphic Oil and Gas
    4939Woodbine/Tuscaloosa Sabine Flanks Oil
    4940Eutaw/Tokio Updip Oil
    4941Eutaw Southern Salt Basins Gas
    4942Austin Oil
    4943Selma Salt Basins Oil
    4944Nacotoch/Navarro Oil and Gas
    4945Wilcox Salt Basins Oil
    4946Wilcox N. Louisiana Salt Basin Gas
    4947Mobile Bay Miocene Gas

    PLAY_NAME
    Play Name (Source: U.S. Geological Survey Energy Resource Plays)

    ValueDefinition
    Piercement Salt Dome Flanks Oil and Gas 
    Basement Structures Oil and Gas 
    Norphlet Mobile Bay Deep Gas 
    Norphlet Wiggins - Hancock Arch Gas 
    Norphlet Salt Basin Oil and Gas 
    Norphlet Alabama Updip Oil 
    Norphlet SE Margin Jackson Dome Flank Deep Gas 
    Norphlet Southern Arkansas/East Texas Oil 
    Smackover Wiggins - Baldwin Flanks Gas 
    Smackover Alabama/Florida Peripheral Fault Zone Oil and Gas 
    Smackover Alabama/Florida Updip Oil 
    Smackover Salt Basins Gas and Oil 
    Smackover Jackson Dome Deep Gas 
    Smackover Jackson Dome Flank CO2 
    Smackover North Louisiana Gray Sandstone Gas 
    Smackover East Texas - Southern Arkansas Fault Zone Oil and Gas 
    Smackover East Texas - South Arkansas Updip Oil 
    Haynesville Salt Basins Gas and Oil 
    Haynesville Updip Alabama - Florida Oil 
    Gilmer Limestone Gas 
    Cotton Valley Updip Oil 
    Cotton Valley Salt Basins Gas 
    Cotton Valley Blanket Sandstones Gas 
    Cotton Valley Sabine Uplift Gas 
    Hosston Updip Oil 
    Hosston/Travis Peak Salt Basins Gas 
    Travis Peak Sabine Uplift Gas 
    Sligo/Pettet Updip Oil 
    Sligo/Pettet Salt Basins Gas 
    Pettet Southern Sabine Uplift Gas and Oil 
    James Limestone Gas 
    Glen Rose/Rodessa Updip Oil 
    Glen Rose/Rodessa Salt Basins Gas 
    Paluxy Updip Oil 
    Paluxy Downdip Gas 
    Tuscaloosa Peripheral Fault Zone Oil 
    Tuscaloosa/Woodbine Structural Oil and Gas 
    Tuscaloosa Stratigraphic Oil and Gas 
    Woodbine/Tuscaloosa Sabine Flanks Oil 
    Eutaw/Tokio Updip Oil 
    Eutaw Southern Salt Basins Gas 
    Austin Oil 
    Selma Salt Basins Oil 
    Nacotoch/Navarro Oil and Gas 
    Wilcox Salt Basins Oil 
    Wilcox N. Louisiana Salt Basin Gas 
    Mobile Bay Miocene Gas 

    SYMB
    Production Status (Source: U.S. Geological Survey)

    ValueDefinition
    1Cell contains at least one productive oil well, but no productive gas wells (green).
    2Cell contains at least one productive gas well, but no productive oil wells (red).
    3Cell contains at least one productive oil well and at least one productive gas well or one well producing both oil and gas (purple).
    4Cell contains no producing wells (charcoal).

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

    R. F. Mast, D. H. Root, (ed.)

  3. To whom should users address questions about the data?

    Christopher J. Schenk
    USGS
    Geologist
    U.S. Geological Survey MS939, Box25046
    Denver, Colorado 80225
    USA

    (303) 236-5796 (voice)
    schenk@usgs.gov

Why was the data set created?

The purpose of the cell map is to display the exploration maturity, type of production, and distribution of production in quarter-mile cells in each of the oil and gas plays and each of the provinces defined for the 1995 U.S. National Oil and Gas Assessment.

How was the data set created?

  1. From what previous works were the data drawn?

    USGS DDS-30, Release 2 (source 1 of 4)
    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.

    Type_of_Source_Media: CD-ROM
    Source_Contribution: U.S. National Oil and Gas Assessment

    USGS DDS-35 (source 2 of 4)
    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.

    Type_of_Source_Media: CD-ROM
    Source_Contribution:
    digital map data in support of the 1995 U.S. National Oil and Gas Assessment

    USGS DDS-36 (source 3 of 4)
    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.

    Type_of_Source_Media: CD-ROM
    Source_Contribution:
    digital tabular data in support of the 1995 U.S. National Oil and Gas Assessment

    WHCS (source 4 of 4)
    Corporation, Petroleum Information , 19901201, Well History Control System: Petroleum Information Corporation, Houston, Texas.

    Type_of_Source_Media: Digital
    Source_Contribution: Lat./Long. Points, Final Well Class

  2. How were the data generated, processed, and modified?

    Date: Unknown (process 1 of 1)
    Oil and gas well data for each province in the U.S. was run through a FORTRAN program written by D.H. Root (ret.) and R.F. Mast (ret.). This program converted the WHCS data into latitude-longitude points that represent the center-points of quarter-mile cells. The cells were then assigned an attribute based on the type of production of the wells located within the cell. The latitude-longitude center points in the .cls files from the NOGA 95 Spatial Data Disk (DDS 35) were reformatted into Arc/Info Generate format (ASCII) files. They were then imported into ArcInfo coverages using the GENERATE command. Region/province/play numbers and names were appended to the file using lookup information acquired from tables on the NOGA 95 Tabular Information Disk (DDS36). Finally, production status from the original .cls file were joined to the coverages.

    Data sources used in this process:

    • USGS DDS-30, Release 2
    • USGS DDS-35
    • USGS DDS-36

  3. What similar or related data should the user be aware of?

How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?

    A sampling of cell locations and cell attributes were visually compared to a hard-copy plot of wells to identify errors.

  2. How accurate are the geographic locations?

    A visual comparison was made using a sampling of cell locations and cell attributes with well locations and attributes. In particular, the values of latitude and longitude for the wells in WHCS were assumed to be accurate.

  3. How accurate are the heights or depths?

  4. Where are the gaps in the data? What is missing?

    The cells were defined using the well data in the PI WHCS database. The WHCS database contains over two million wells for the U.S., which, although not a complete tabulation of all U.S. wells, is the most complete well database available for the United States.

  5. How consistent are the relationships among the observations, including topology?

    The accuracy of the cells, as created by the FORTRAN program of D.H. Root and R.F. Mast, depends wholly upon the accuracy of the oil and gas well information in the version of the PI WHCS database. For the national scale of the 1995 Oil and Gas Assessment, the assumption was made that the data in WHCS were of sufficient accuracy for such a national-scale analysis.

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access_Constraints: none
Use_Constraints: none

  1. Who distributes the data set? (Distributor 1 of 1)

    U.S. Geological Survey, Central Energy Team
    GIS Coordinator
    U.S. Geological Survey MS939, Box 25046
    Denver, Colorado 80225
    USA

    (303) 236-7773 (voice)
    lbiewick@usgs.gov

  2. What's the catalog number I need to order this data set?

  3. What legal disclaimers am I supposed to read?

    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.

  4. How can I download or order the data?

Who wrote the metadata?

Dates:
Last modified: 05-Jun-2001
Metadata author:
U.S. Geological Survey, Central Energy Team
GIS Coordinator
U.S. Geological Survey MS939, Box 25046
Denver, Colorado 80225
USA

(303) 236-7773 (voice)
lbiewick@usgs.gov

Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)

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