# Oilfield LWD Calculation — Directional Drilling Toolkit

> Directional Drilling Toolkit (iPhone/iPad app by zhandos uakanov.)

- Source: https://appshunter.io/ios/app/oilfield-lwd-calculation/id1058846027 (this page in markdown: same URL + `.md`)
- Developer: [zhandos uakanov](https://appshunter.io/developer/625286817)
- Category: Reference, Productivity
- Price: $1.99
- Age rating: 4+
- Requires: iOS 16.6 · 9 MB
- Languages: American English
- Released: 2015-11-20
- Data updated: 2026-09-04
- User reviews in markdown: https://appshunter.io/ios/app/oilfield-lwd-calculation/id1058846027/reviews.md

## What is Oilfield LWD Calculation?

LWD Calculation is a powerful and easy-to-use oilfield calculator designed specifically for the needs of Directional Drilling and MWD/LWD professionals.

Whether you're on the rig or in the office, this app provides accurate, field-ready tools to support efficient decision-making and real-time calculations.

Included Calculators:
• ROP Calculator – Calculate rate of penetration based on time and depth.
• Record Rate Calculator – Track peak drilling performance.
• Data Density Calculator – Evaluate logging quality per measured depth.
• Dogleg Severity + Minimum Curvature – Compute DLS and well path geometry with high precision.

…and more tools are being added to support your downhole operations.

Key Features:
• Supports feet/meters unit toggle
• Fast, accurate, and field-tested formulas
• Clean interface built for real-world use
• Works offline – no signal required


## Version history (last 4 releases)

### 1.3 — 2025-06-16

- Added Dogleg Severity + Minimum Curvature calculator
- Enhanced calculation accuracy and performance
- Minor UI fixes and layout improvements

### 1.2 — 2022-02-03

- app design was updated;

### 1.1 — 2018-12-16

- bugs are fixed;

### 1.0 — 2015-11-20

No release notes.

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## 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)
- [Directional Drilling Calc.](https://appshunter.io/ios/app/directional-drilling-calc/id885580803)
- [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

[digitrak lwd](https://appshunter.io/ios/topics/digitrak-lwd) · [oilfield calc](https://appshunter.io/ios/topics/oilfield-calc)

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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 2026-09-04.*