You could have downloaded F.A.S.T. VirtuWell 3.3.2.38 from our software library for free. This PC software works fine with 32-bit versions of Windows XP/7/10/11. The following versions: 3.3, 3.2 and 3.0 were the most frequently downloaded ones by the program users. The F.A.S.T. VirtuWell installer is commonly called virtuwell.exe. This tool was originally developed by Fekete Associates Inc. The program is included in Education Tools.
From the developer:
F.A.S.T. VirtuWell is a program that allows you to optimize the wellbore for single and multiphase flow with various flow paths and operating conditions. You can also perform analyses to assess tubing performance, estimate initial deliverability, identify liquid loading and evaluate the effects of coiled tubing or the response to compression.
You may want to check out more software, such as SatCalc, MathMatic or MemBrain, which might be related to F.A.S.T. VirtuWell.