Import LAS Data - Select the Curves to Import

On the next screen is listed all of the curves in the LAS file, referenced with the name, the curve units, the API number, and description.

  1. First, check whether LogPlot has encountered a "null" value in the data file. This will be displayed in the lower-right corner of the screen. The null value is used in the LAS file to note no-data entries. If the null value is numeric (such as "-999.25") then you’ll want to exclude them from the data summary.

    Insert a check in the Ignore check-box to be sure the null value is not included in the next step.

  2. Click the Scan for Min/Max Values to view a summary of the elog ranges (excluding any null value).

    LogPlot will display these values in the "Min" and "Max" columns in the window. This information can be very handy in knowing how to scale the curve column in the log.

  3. If you would like a text listing of the curve names along with the minimum and maximum data values and the measurement units, click the Report button. This text listing can be saved, copied, or printed from the text window. Here’s an example:

    Name      Units     Min       Max
    ------    ------    ------    ------
    DEPT      F         519.5     2003
    BS        IN        12.25     12.25
    CALI      IN        11.938    15.812
    SGR       GAPI      24.547    107.093
    CGR       GAPI      25.953    93.103
    SP        MV        37.409    115.125
    LLD       OHMM      5.235     40.565
    LLG       OHMM      4.951     38.453
    LLS       OHMM      4.128     25.52
    MSFL      OHMM      0.491     22.328

     

  4. Select the curves you wish to import by inserting a check-mark next to their names. Use the All or None buttons to insert/remove automatically all of the check-marks.
  5. Finally, you may edit the curve names if necessary, either to assign them more intuitive names or to match curve names in an existing log design.

    Click in the Curve Name cell and choose one of the existing names, or click <New> to create a new column for these data.

    !This is important. If you will using the LAS data in an existing log design, then you should update the curve names to match the names of the curve columns in the log design.

  6. Click on the Next button.

 


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