# DrillOut Calcs — Common plug drill-out calcs

> Oilfield post-frac plug drill-out calculation tool for professionals. (iPhone/iPad app by Cody Martin.)

- Source: https://appshunter.io/ios/app/drillout-calcs/id6754534235 (this page in markdown: same URL + `.md`)
- Developer: [Cody Martin](https://appshunter.io/developer/1796736420)
- Category: Utilities
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 18.5 · 3 MB
- Languages: American English
- Released: 2025-10-27
- Data updated: 2026-07-31
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/drillout-calcs/id6754534235/reviews.md

## What is DrillOut Calcs?

Drill-Out Calculator provides quick, accurate tools for oilfield professionals performing post-frac plug drill-outs.
Built for simplicity and speed, it helps verify flow balance, annular velocity, sweep efficiency, and surface return timing in real time.

## Key features

- Post-frac plug drill-out calculations
- Flow balance verification
- Annular velocity calculation
- Sweep efficiency assessment
- Surface return timing
- Real-time data verification

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/drillout-calcs/id6754534235/reviews.md

### 5/5 — Must have

*2026-03-06*

Made my life so much easier!!!!

## Frequently asked questions about DrillOut Calcs

### What is DrillOut Calcs used for?

DrillOut Calcs is designed for oilfield professionals to perform quick and accurate calculations related to post-frac plug drill-outs. It helps verify critical parameters like flow balance, annular velocity, and sweep efficiency in real time.

### Is DrillOut Calcs free to use?

Yes, DrillOut Calcs is available for free. There are no costs associated with downloading or using its core functionalities.

### What devices does DrillOut Calcs support?

DrillOut Calcs is available on iPhone and iPad devices, making it accessible for mobile professionals in the field.

### How often is DrillOut Calcs updated?

The app was last updated on May 8, 2026, indicating ongoing development and support. Its latest version is 2.1.

### What is the age rating for DrillOut Calcs?

DrillOut Calcs has an age rating of 4+, making it suitable for a wide range of users.

### What do users think of DrillOut Calcs?

Based on available data, DrillOut Calcs has received a perfect 5.0-star rating from 2 users, suggesting a very positive user sentiment.

### Does DrillOut Calcs have ads?

No, DrillOut Calcs does not contain advertisements. Users can expect an uninterrupted experience while performing their calculations.

## Version history (last 5 releases)

### 2.4 — 2026-07-26

- Ability to save well parameters
- Consideration of a secondary MW in the Well Control section
- Export feature for well kill plan

### 2.2 — 2026-05-25

Bug fixes

### 2.1 — 2026-05-08

Bug fixes

### 2.0 — 2026-05-06

Several updates: 
- Multiple casing function
- Added a useless little cartoon guy, but it's fun

### 1.7 — 2026-01-28

Bug fixes

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## More apps by Cody Martin

- [Practice My Sight Words](https://appshunter.io/ios/app/practice-my-sight-words/id6762088740)
- [Dude, Where's My Well?](https://appshunter.io/ios/app/dude-wheres-my-well/id6771231779)

All apps by Cody Martin: https://appshunter.io/developer/1796736420

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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 2026-07-31.*