There are a lot of people who are interested in well control and we would like to help them learn and make their life easier by sharing the well control spread sheet. The image (Figure 1) below is the screen shot of the spread sheet.
Version 1.3 updated on 28-Jan-19.
In this version (1.3), the spreadsheet is updated into .xlxs file which is the newest Excel Version. Moreover, all formulas are unlocked so you can modify to suit for you needs too.