Well Testing Suite
H2Oil Group
Free · Designed for iPad. Not verified for macOS.
H2Oil Well Testing Suite is a comprehensive engineering calculator app designed for well test supervisors, field engineers, and operations teams working in oil and gas.
Every calculation runs entirely on your device - no internet connection, no cloud, no subscriptions. Your data never leaves your phone.
CALCULATORS INCLUDED
Well Testing
- AGA-3 Orifice Gas Metering (Reader-Harris/Gallagher, ISO 5167-2 / API MPMS 14.3.1)
- Dual Choke Sizing (Thornhill-Craver / Economides, critical and subcritical)
- Choke Flow Rates (gas, oil, multiphase)
- Separator Retention Time (two and three-phase)
- Bottoms Up Time / kill sheet calculations
- Solution GOR (Standing 1947)
- Oil and Gas Rate (surface and reservoir)
- MCF and Shrinkage
Flow Assurance
- Well Test Simulator: full flow path from Wellhead to SSV, Choke, Heater, Separator, Flare, Surge Tank and Atmospheric Tank. Live pressure, temperature and velocity at every node. API RP 14E erosional velocity and hydrate risk at each segment.
Flare and Radiation
- API 521 Flare Radiation Analysis
- Interactive 3D Flare Model with touch pan and pinch-to-zoom
- Radiation exclusion zones mapped to API 521 Table 5 thresholds
- 2D Radiation Contour Map
Reservoir Engineering
- Decline Curve Analysis: Arps, Duong, Stretched Exponential with P10/P50/P90 EUR
Safety
- PRV Sizing (API 520 Part I)
REPORTING
Every calculator exports a professional PDF report including your company logo, client logo, well and field details, engineer name, and full results. Reports save directly to the Files app via the iOS share sheet. PNG and CSV exports also available.
DESIGNED FOR FIELD USE
- Fully offline - no Wi-Fi or cell signal required on location
- Dark theme optimised for outdoor readability
- Large touch targets and haptic feedback
- All data stored locally with iCloud-eligible backup
WHO IS IT FOR
Well test supervisors, petroleum engineers, production engineers, drilling engineers, HSE engineers, and operations personnel who need fast, reliable engineering calculations on location without a laptop.
Developed by H2Oil Engineering - well testing and engineering services.
Contact: software@h2oil.co.uk
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Bug Fixes
The developer, H2Oil Limited, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- H2Oil Limited
- Size
- 15.6 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © H2Oil Ltd