# WellOracle

> WellOracle (iPhone/iPad app by Robert De-Mott.)

- Source: https://appshunter.io/ios/app/welloracle/id6760943199 (this page in markdown: same URL + `.md`)
- Developer: [Robert De-Mott](https://appshunter.io/developer/1886952476)
- Category: Reference, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.2 · 5 MB
- Languages: American English
- Released: 2026-03-30
- Data updated: 2026-07-23
- User reviews in markdown: https://appshunter.io/ios/app/welloracle/id6760943199/reviews.md

## What is WellOracle?

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.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| WellOracle Pro | $4.99 | one-time |



## Version history (last 5 releases)

### 1.32 — 2026-07-10

Removed the upgrade requirement - app is now free !!!!

### 1.31 — 2026-04-22

Bug fixes

### 1.30 — 2026-04-13

Added Cementing Calculations for 
Casing Jobs
Liner Jobs
Balanced Plugs
They all show schematics and provide volume calcs for all parts of the execution

### 1.23 — 2026-04-07

Improved user experience in WellBuilder
-Increased visibility of errors building well
-Scrolling on schematic made easier
-Keyboard has Done included to remove keyboard to make screen more visible

### 1.22 — 2026-04-06

Bug fix that prevented users accessing the WellBuilder module

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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 2026-07-23.*