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Method of type curve

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Method of type curve

The type curve method is can be applied to time-drawdown, time-distance drawdown plots, and, for some conceptual models, to distance-drawdown plots.

When the type curve is displayed, the "Value" floating window opens showing the selected wells (or observation points on distance-drawdown plot) as well as the estimated parameters for the displayed type curve.

Normally, the method is applied to the entire diagnostic curve.

 

Aquifer test analysis with the method of type curve.

 

Key functions for type curve method

LEFT, RIGHT

Moves the type curve left/right

UP, DOWN

Moves the type curve up/down

"1"

Reduces the step width twice

"2"

Increases the step width twice

"3"

Resets the initial step width

Left click in the plot field

Move the origin of coordinates to the cursor position

ENTER

Duplication of the type curve on the plot

Select the well in "Value" dialog box

Switches to analysis of the selected well

ESC

Exits curve type method analysis