Article: Producing time, Horner, MBA

[TBone]

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[Umair.Shafeeq]

If you have multirate test, U can use this formula

tp= Cummulative production/last flow rate

[samadali20]

I agree with Umair shafeeq.....lso remember that when you use production time.....you can also simplify your solution by not taking into account the full production rate history...but say for instance...take 60% rate history for tp and 40% of the flow rates......this can simplify yoyur solution a bit and would give you +/- 5% error ...on the answer you would get on using the complete history which is quite time taking....

Samad