A Canadian company has a Visio-based product for creating well bore diagrams/schematics. Pretty cool:
Drilling with Visio (http://www.visguy.com/2014/05/07/drilling-with-visio/)
Nice price!
You know, it's not cheap, but after seeing the multi-shapes they built, and knowing how much work that takes, I hope they get lots of sales!
I think with specialty tools that people use every day in vertical industries, "expensive" software isn't so expensive when it saves them hours every day or week. For general-audience software, we've grown to expect free or "iPad app" prices, for better or for worse.