Working With Type Curves

 

See Also:

Test Analysis Methods

 

Selecting a Well to Match:

Except for the Distance-Drawdown methods, data from only one single well can be analyzed at a time. The to analyze is selected from the main window tool bar (shown below), or from the right-click speed menu accessed over any of the analysis methods.

 

image\IETOOLBR.gif

 

 

Matching Data to the Type Curve

 

Drag-and-Drop -- Point the mouse cursor over the data. Press and hold down the left (primary) mouse button. Drag the data to the best fit of the type curve and release the button. Note: If data is displayed in black, it will not be visible during the dragging process. Change the color of the data so that it can be seen during dragging.

 

 

Matching Data with the Keyboard -- Data can be matched to the type curve with the following keys:

 

  • Home  Jump Data Left
  • End  Jump Data Right
  • Page Up  Jump Data Up
  • Page Down Jump Data Down
  • Left Arrow  Move Data Left
  • Right Arrow Move Data Right
  • Up Arrow  Move Data Up
  • Down Arrow Move Data Down

 

 

The Match Point

 

The match point appears as a cross within a circle. The match point occurs at time equal to one day, and drawdown equal to one meter. The option to show the match point is selected from Options | Graph Options.

 

 

Estimating Match Values

 

Some type curve methods require an estimate of a matching value. When the method is selected, an estimate window will appear in the lower right corner of the screen. After matching to the type curve, enter the match estimate in the estimate window. Press the Apply button to apply the estimate.