Oilfield Annular Volume Pro is made for the oilfield personnel but it can be used by anyone who needs to calculate the annular volume between two pipes or hole and pipe. Choose the type of units with the tab at the bottom (OilField Unit or Metric Unit). Input your inside diameter (ID) of the larger pipe or hole, the outside diameter (OD) of the smaller pipe and the height or depth. Then choose the units that you need the volume in (cubic feet, barrels or gallons for US and cubic metres or litres for Metric) and the app will calculate the volume for you.

Application builded by last updated API (American Petroleum Institute) Data.

Calculation confirmed with professional in oilfield services company.
Application was tested on oilfield of: US,Canada,UAE,Oman.

P.S.: Quick Calculation - Safe Operation Time.


Please email us on [email protected] for clarifications or corrections.

Good Luck in Your Job...