Drilling Formula Spread Sheet V1.5

This is the updated version of drilling formulas (Figure 1 – Drilling Formula Spread Sheet V1.5). In this version, we’ve added several equations and fixed some errors.

The download period is end. If you like to get the spreadsheet, please subscribe to our mailing list here => http://eepurl.com/eXduw

 drilling formulas v1_5

Figure 1 – Drillingformulas Spread Sheet Version 1.5

Continue reading