# Tellus OCTG

> Tellus OCTG (iPhone/iPad app by Blade Technology Corporation, LLC.)

- Source: https://appshunter.io/ios/app/tellus-octg/id1491150646 (this page in markdown: same URL + `.md`)
- Developer: [Blade Technology Corporation, LLC](https://appshunter.io/developer/506335806)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 1 MB
- Languages: English
- Released: 2020-01-14
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/tellus-octg/id1491150646/reviews.md

## What is Tellus OCTG?

Tellus OCTG presents the performance properties of oilfield tubulars (OCTG) as specified in the API TR 5C3 standard. It provides API MIYP (Burst), API Collapse with tension adjustment, and Pipe Body Yield Strength (PBYS) of casing and tubing, and considers the effect of temperature deration on yield strength.

The app includes an inventory of commonly used oilfield tubulars, and custom sizes can be defined by the user.

For more advanced properties, casing design, and thermal analysis, please visit www.stringnosis.com.


## Version history (last 4 releases)

### 3.3 — 2024-07-29

Improved screenshots.

### 3.2 — 2024-07-01

Now also calculates Drift ID and Drift length.

### 2.1.1.1 — 2020-02-19

UI improvements.

### 2.1.1 — 2020-01-14

No release notes.

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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 2026-05-17.*