# Oil & Gas Calculator — Formula-based calculations

> Formula-based calculations (iPhone/iPad app by Mahmoud Abdelhakeem.)

- Source: https://appshunter.io/ios/app/oil-and-gas-calculator/id6754492963 (this page in markdown: same URL + `.md`)
- Developer: [Mahmoud Abdelhakeem](https://appshunter.io/developer/1848275489)
- Category: Utilities, Education
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 5 MB
- Languages: American English
- Released: 2025-12-22
- Data updated: 2026-08-12
- User reviews in markdown: https://appshunter.io/ios/app/oil-and-gas-calculator/id6754492963/reviews.md

## What is Oil & Gas Calculator?

Oil & Gas Calculator provides a collection of commonly used formulas and calculation references for surface well testing and production engineering concepts.

The app performs formula-based calculations using user-provided inputs and presents calculated values for reference and learning purposes.

Features
• Gas and oil flow-rate calculations
• Choke and orifice calculation references
• Basic engineering unit conversions
• Simple input layout for quick calculations

Disclaimer
This app is not affiliated with any oil & gas company or service provider and is intended as a calculation utility. It does not replace certified testing software or physical instrumentation.


## Version history (last 3 releases)

### 9 — 2026-08-10

UI refinements and consistency improvements.

### 4 — 2026-01-12

• New calculators added
• UI and usability improvements
• Bug fixes and performance enhancements

### 3.0 — 2025-12-22

No release notes.

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## Related topics

[oil and gas](https://appshunter.io/ios/topics/oil-and-gas)

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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 2026-08-12.*