# OilField Annular Volume Pro

> OilField Annular Volume Pro (iPhone/iPad app by zhandos uakanov.)

- Source: https://appshunter.io/ios/app/oilfield-annular-volume-pro/id921257545 (this page in markdown: same URL + `.md`)
- Developer: [zhandos uakanov](https://appshunter.io/developer/625286817)
- Category: Reference, Business
- Price: $0.99
- Age rating: 4+
- Requires: iOS 11.0 · 1 MB
- Languages: English
- Released: 2014-10-05
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/oilfield-annular-volume-pro/id921257545/reviews.md

## What is OilField Annular Volume Pro?

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 info@oilfieldengineer.com for clarifications or corrections.

Good Luck in Your Job...


## Version history (last 2 releases)

### 1.1 — 2021-02-12

- app design was updated;

### 1.0 — 2014-10-04

This app has been updated by Apple to display the Apple Watch app icon.

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All apps by zhandos uakanov: https://appshunter.io/developer/625286817

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*