Dept. of the Interior
U.S. Geological Survey
Energy Resources Team

Selected Data from Eleven Wildcat Wells in 
the National Petroleum Reserve in Alaska

USGS Open File Report 99-015 


Disc Information

This disc contains information about and data from eleven wells in the National 
Petroleum Reserve in Alaska. The following data types are provided for each 
well: 
    o Core Images 
    o Depths to Selected Stratigraphic Horizons 
    o Geological and Drilling Reports 
    o Well Core Gamma Ray Data 
    o LAS-Format Well Log Data 
    o Permeability, Porosity, and Grain Density Data 

All files are ASCII text with the exception of the Core Image files, which are 
.GIF binary image file format. 


Disc Structure

The files on this disc are arranged using the following folder hierarchy:
 
Root (Top Level) Folder 
 Wells Folder 
  {Well Folder Name} Folder 
   Core Folder 
   GammaRay Folder 
   LAS Folder 
   PDF Folder 
   PNP Folder 
   Tops Folder 


Folder Descriptions

Root (Top Level) Folder
The Root, or Top level, Folder contains: 
    o Docs subfolder 
    o Wells subfolder 
    o WorkShop.htm - the "homepage" for this disc. 
    o README.txt - an introduction to this disc. 

Docs Folder
The Docs folder has HTML files which provide: 
    o Documentation about data sources. 
    o Acnowledgements. 
    o Disclaimer. 
    o Author Information. 

Wells Folder
The Wells folder contains:

    o WellIdx.htm: an HTML index to the well folders. 
    o A subfolder for each well included on this disc.
    o Most files contained in a well subfolder and its subfolders are named 
      starting with a prefix indicating the well to which the file applies.
    o Well folder names and prefixes for the individual wells included on this 
      disc are:
 
   
    Well Folder Names and File Prefixes per Well

    Well Name         Folder    File Name Prefix
    Drew Point 1      DrewPt1        DP1
    East Simpson 1    ESimp1         ES1
    Ikpikpuk 1        Ikpik1         IK1
    Inigok 1          Inigok1        IN1
    J.W. Dalton 1     JWDalt1        JWD1
    Kuyanak 1         Kuyanak1       KU1
    North Inigok 1    NInigok1       NI1
    North Kalikpik 1  NKalik1        NK1
    Peard 1           Peard1         PE1
    South Meade 1     SMeade1        SM1
    West Dease 1      WDease1        WD1
        


{Well Folder Name} Folders
Each of the Well Folders listed in the table above contains: 
    o README.txt 
    o Index.htm - An HTML index of the individual subfolders shown below. 
    o {PREFIX}Doc.htm - An HTML file documenting the data sources for the data in 
      the individual subfolders shown below. 
    
    Core Folder
    Graphic image files of well core. 
        o GIF-format graphic image files of well core. 
        o {PREFIX}Core.htm - An HTML file which indexes the core image files. 
        o {PREFIX}Core.txt - A text file which indexes the core image files. 
        o README.txt 
    
    GammaRay Folder
    Well core gamma ray data. 
        o {PREFIX}GR.htm - An HTML file which describes the well core gamma ray 
          data. 
        o {PREFIX}GR.las - A LAS-format log file of the well core gamma ray data. 
        o README.txt 

    LAS Folder
    LAS-format well log data. 
        o {PREFIX}LAS.htm - An HTML file which describes the well log data. 
        o {PREFIX}.las - A LAS-format log file of the well log data. 
        o README.txt 

    PDF Folder
    Geological and Drilling History reports in Adobe Acrobat PDF format. 
        o {PREFIX}DRILL.pdf - Drilling history. 
        o {PREFIX}GEOL.pdf - Geological report. 
        o {PREFIX}PDF.htm - An HTML file which indexes the PDF files. 
        o README.txt 

    PNP Folder
    Permeability and Porosity Data 
        o {PREFIX}PNP.htm - An HTML file which describes the permeability and 
          porosity data. 
        o {PREFIX}PNP.txt - A text file which describes the permeability and 
          porosity data. 
        o README.txt 

    Tops Folder
    Depths to Selected Stratigraphic Horizons 
        o {PREFIX}PNP.htm - An HTML file which describes the stratigraphic horizons 
          data. 
        o {PREFIX}PNP.txt - A text file which describes the stratigraphic horizons 
          data. 
        o README.txt