# Drilling Hydraulics (Basic) — Formulas and Calculations

> Formulas and Calculations (iPhone/iPad app by Carlos Moura.)

- Source: https://appshunter.io/ios/app/drilling-hydraulics-basic/id673992115 (this page in markdown: same URL + `.md`)
- Developer: [Carlos Moura](https://appshunter.io/developer/407501202)
- Category: Productivity, Education
- Price: $4.99
- Age rating: 4+
- Requires: iOS 10.3 · 7 MB
- Languages: American English
- Released: 2013-07-26
- Data updated: 2026-08-26
- User reviews in markdown: https://appshunter.io/ios/app/drilling-hydraulics-basic/id673992115/reviews.md

## What is Drilling Hydraulics (Basic)?

Drilling Hydraulics (Basic Calculations) provides an useful tool to students, drillers, technicians, drilling engineers and other professionals of the oil well drilling. 

Unit System with setting of decimals.

Formulas and Calculations:

- Capacities and Volumes
- Mud Properties and Gradient
- Temperature Gradient
- Pressure Gradient
- Hydrostatic Pressure
- Mud Pump Output
- Hydraulics on Drill Bit nozzles
- Friction Losses (on borehole section)
- ECD - Equivalent Circulating Density
- Pressure with well closed (Kick/LOT/FIT)

Formulas:
- The factors/constants are calculated based on different units of measures.

iCloud:
- Auto saves to restore when to open the app again
- Shares the same data on devices with same Apple ID

DISCLAIMER:

These tools & materials are provided 'as is' without warranties of any kind, express or implied.
Please verify the tools provided by this application by yourself before you use them. Ensure you understand the impact of using these tools.
Any use you choose to make of these tools & materials is undertaken by you entirely at you own risk.

## Chart rankings

- #199 in Top Paid · Productivity (US App Store)


## Version history (last 5 releases)

### 3.0 — 2019-08-27

- Added compatibility with newer iPhone and iPad models.
- Added new unit system with setting of decimals

### 2.0 — 2017-07-19

- upgraded for newer iOS versions
- new look

### 1.2 — 2013-10-04

- Fixes iPad rotation (portrait/landscape) on iOS 5.1
- Fixes minor issues
- Updates screenshots for iOS 7

### 1.1 — 2013-09-19

- iOS 7 support
- Added calculations with well closed (KMW/FIT/LOT)
- Added some improvements

### 1.0 — 2013-07-25

No release notes.

## Apps similar to Drilling Hydraulics (Basic)

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Petroleum Field Calculator](https://appshunter.io/ios/app/petroleum-field-calculator/id1615163996) | — | $0.99 | Productivity |
| [Pommie - Pomodoro Timer](https://appshunter.io/ios/app/pommie-pomodoro-timer/id933199616) | 4.5 (88) | $3.99 | Productivity |
| [Omnivity](https://appshunter.io/ios/app/omnivity/id1659090648) | 4.7 (6) | Free | Productivity |
| [FieldEx](https://appshunter.io/ios/app/fieldex/id1500554195) | — | Free | Productivity |
| [General Number](https://appshunter.io/ios/app/general-number/id879033904) | 5.0 (2) | Free | Productivity |
| [Cydog Toolkit](https://appshunter.io/ios/app/cydog-toolkit/id1564679714) | 4.6 (13) | $0.99 | Productivity |

## More apps by Carlos Moura

- [Directional Drilling](https://appshunter.io/ios/app/directional-drilling/id928989079)
- [Ton Miles Calculator](https://appshunter.io/ios/app/ton-miles-calculator/id965020659)
- [3D Interpolation](https://appshunter.io/ios/app/3d-interpolation/id1000298349)
- [Kick Game 2](https://appshunter.io/ios/app/kick-game-2/id1060736340)
- [Driller's Method](https://appshunter.io/ios/app/drillers-method/id1067011800)

All apps by Carlos Moura: https://appshunter.io/developer/407501202

## Related topics

[fluids drilling](https://appshunter.io/ios/topics/fluids-drilling) · [max drilling](https://appshunter.io/ios/topics/max-drilling) · [drilling engineering](https://appshunter.io/ios/topics/drilling-engineering) · [abaco drilling](https://appshunter.io/ios/topics/abaco-drilling)

---

*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 2026-08-26.*