# Directional Drilling Calc.

> Oilfield directional drilling calculation tool with multiple methods. (iPhone/iPad app by zhandos uakanov.)

- Source: https://appshunter.io/ios/app/directional-drilling-calc/id885580803 (this page in markdown: same URL + `.md`)
- Developer: [zhandos uakanov](https://appshunter.io/developer/625286817)
- Category: Reference, Business
- Price: $0.99
- Rating: 1.00/5 from 4 App Store ratings · 5 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 1 MB
- Languages: American English
- Released: 2014-06-10
- Data updated: 2026-08-14
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/directional-drilling-calc/id885580803/reviews.md

## What is Directional Drilling Calc.?

Oilfield Directional Drilling Calculation is for anyone involved in Oil and Gas exploration and drilling. This application is an essential supporting tool. From this application You can easily find out any directional drilling data.

Directional Drilling Calculation:
- Angle Averaging Method
- Radius of Curvature Method
- Balanced Tangential Method
- Minimum Curvature Method
- Tangential Method
- Calculate dogleg severity between 2 survey points based on Radius of Curvature Method
- Calculate dogleg severity between 2 survey points based on Radius of Tangential Method

App is very simple, easy to use.


Good Luck in Your Job!

## Key features

- Angle Averaging Method
- Radius of Curvature Method
- Balanced Tangential Method
- Minimum Curvature Method
- Tangential Method
- Dogleg severity calculation

## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/directional-drilling-calc/id885580803/reviews.md

### 1/5 — Waste of $0.99

*2024-02-06*

DO NOT BUY, TOTALLY USELESS!!

**Developer response:** Hello!

Thank you for rating our app! We’d love to hear more details on how we can improve its functionality. Could you please reach out to us via email at info@oilfieldengineer.com?

Many thanks,
The Oilfield Engineering Team

### 1/5 — Doesn't work

*2024-01-15*

Won't calculate anything

**Developer response:** Hello!

Thank you for rating our app! We’d love to hear more details on how we can improve its functionality. Could you please reach out to us via email at info@oilfieldengineer.com?

Many thanks,
The Oilfield Engineering Team

### 1/5 — Useless

*2021-05-18*

Useless

**Developer response:** Hello!

Thank you for rating our app! We’d love to hear more details on how we can improve its functionality. Could you please reach out to us via email at info@oilfieldengineer.com?

Many thanks,
The Oilfield Engineering Team

### 1/5 — Just Data not so useful

*2018-07-26*

This app has data only but not complete that is needed in the oilfield. And added to that doesn’t have any calculations at all.

**Developer response:** Hello!

Thank you for rating our app! We’d love to hear more details on how we can improve its functionality. Could you please reach out to us via email at info@oilfieldengineer.com?

Many thanks,
The Oilfield Engineering Team

### 1/5 — Waste of money

*2015-11-13*

Waste of money do not download 
Gives basic diameters of pipe nothing else

**Developer response:** Hello!

Thank you for rating our app! We’d love to hear more details on how we can improve its functionality. Could you please reach out to us via email at info@oilfieldengineer.com?

Many thanks,
The Oilfield Engineering Team

## Frequently asked questions about Directional Drilling Calc.

### What calculation methods does Directional Drilling Calc. offer?

Directional Drilling Calc. includes the Angle Averaging Method, Radius of Curvature Method, Balanced Tangential Method, Minimum Curvature Method, and Tangential Method. It also calculates dogleg severity using the Radius of Curvature and Tangential methods.

### Is Directional Drilling Calc. available on Android devices?

Currently, Directional Drilling Calc. is supported on iPhone and iPod devices. Information regarding Android compatibility is not provided in the app's data.

### How often is Directional Drilling Calc. updated?

The app was last updated on March 14, 2021, to version 1.1. This indicates a less frequent update cycle for the application.

### What is the price of Directional Drilling Calc.?

Directional Drilling Calc. is a paid application priced at $0.99. This is a one-time purchase cost.

### What is the age rating for Directional Drilling Calc.?

Directional Drilling Calc. has an age rating of 4+. This suggests it is suitable for a wide range of users.

### Does Directional Drilling Calc. have ads?

No, Directional Drilling Calc. does not contain advertisements. The app is ad-free.

### What is the user rating for Directional Drilling Calc.?

Directional Drilling Calc. has a rating of 1.0 stars based on 4 ratings. This indicates a very low user satisfaction score.

### When was Directional Drilling Calc. first released?

Directional Drilling Calc. was initially released on June 10, 2014. It has been available for a significant period.

## Version history (last 2 releases)

### 1.1 — 2021-03-14

- App design was updated;

### 1.0 — 2014-06-09

No release notes.

## More apps by zhandos uakanov

- [OilField Formulas iHandy Calc](https://appshunter.io/ios/app/oilfield-formulas-ihandy-calc/id875486327)
- [OilField Downhole Tools](https://appshunter.io/ios/app/oilfield-downhole-tools/id878961481)
- [Shift Calendar for Oilfield](https://appshunter.io/ios/app/shift-calendar-for-oilfield/id894353734)
- [OilField iHandbook](https://appshunter.io/ios/app/oilfield-ihandbook/id916850671)
- [OilField Annular Volume Pro](https://appshunter.io/ios/app/oilfield-annular-volume-pro/id921257545)

All apps by zhandos uakanov: https://appshunter.io/developer/625286817

## Related topics

[max drilling](https://appshunter.io/ios/topics/max-drilling)

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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 2026-08-14.*