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  • Producing time, Horner, MBA

    by
    TBone
    Published on 12-22-2011 02:54 PM
    2 Comments Comments
    Hi

    I'm stuggling with understanding the "producing time" parameter required for Horner-plots and subsequent MBA analysis. How do I find the optimal modified producing time, or at least an acceptable interval for analysis?

    I have tried to do analysis with different producing times and I get different kh and p* (from Horner plot) depending on what I use. The estimated average pressure (from MBH analysis), seems to stay the same, provided that the kh stays the same.
    This article was originally published in forum thread: Producing time, Horner, MBA started by TBone View original post
    Comments 2 Comments
    1. Umair.Shafeeq's Avatar
      Umair.Shafeeq - 12-22-2011, 04:17 PM
      If you have multirate test, U can use this formula

      tp= Cummulative production/last flow rate
    1. samadali20's Avatar
      samadali20 - 12-28-2011, 12:45 PM
      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

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