WellOracle
Reference
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
WellOracle is a fast, field-ready engineering reference and calculation tool built for oilfield professionals.
Whether you're on the rig or in the office, WellOracle gives you instant access to the tools you rely on every day:
CALCULATIONS
• Tank volumes — vertical, horizontal, and rectangular tanks
• Annular capacity and pipe volumes
• Unit conversions across common engineering units
EQUIPMENT REFERENCE
• API flange specifications and diagrams
• Drill pipe, casing, and tubing data
• Gasket type reference (R, RX, BX)
REFERENCE DATA
• Hydrostatics formulas
• Well kill reference
• Fraction/decimal conversion tables
• General oilfield math reference
WELLORACLE PRO
Unlock the complete toolkit with full tubular libraries, advanced calculators, and equipment datasheets — one-time purchase, no subscription.
All calculations are reference aids only. Results must be independently verified before operational use.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Removed the upgrade requirement - app is now free !!!!
The developer, Robert De-Mott, 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
- Robert De-Mott
- Size
- 4.8 MB
- Category
- Reference
- Compatibility
Requires iOS 26.2 or later.
- iPhone
Requires iOS 26.2 or later. - Mac
Requires macOS 26.2 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Rob De-Mott