Decline Curve

Quick question is the decline parameters is the Initial Decline (a) nominal or effective decline. Also is there a way to see the calculations that were run in the background. I would appreciate the help.


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Hi Brad.morris,

The decline parameters are nominal (tangential) decline.  So, it isn't taking into account the hyperbolic "bend" that happens prior to the exponential decline.

You can open up the R function by going to Data Function Properties.  This gives you all the calculations.  You can also check out the blog post here: http://datashoptalk.com/arps-type-curve-in-spotfire-in-20-minutes/.

Ruths.ai Team
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