# Mud Engineer

> Basic Drilling Calculations for Mud Engineers

Canonical page: [https://chrome-stats.com/d/com.alho00ot.mud\_eng](https://chrome-stats.com/d/com.alho00ot.mud_eng)

## Overview

- **ID:** `com.alho00ot.mud_eng`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Swift Time
- **Category:** EDUCATION
- **Downloads:** 30
- **Version:** 2.2.0
- **Last updated:** 2026-06-30
- **First published:** 2023-04-22
- **Publisher country:** SA
- **Size:** 30 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.alho00ot.mud_eng)
- **Website:** [https://swift-time.com](https://swift-time.com/)
- **Privacy policy:** [https://swift-time.com/mudapp-privacy-policy/](https://swift-time.com/mudapp-privacy-policy/)

## Description

Mud engineers play a crucial role in ensuring the smooth operation of drilling programs.<br>The Mud Engineer App is an essential tool for mud engineers, providing a foundation for essential drilling calculations.<br>These calculations include Final Mud Weight, Final Volume, Volume 1, Volume 2, End Volume, BBLs required to adjust Mud Weight, Number of Sacks, Volume Increase, lb/bbl, Weight Up, Hydrostatic Pressure, Equivalent Circulating Density (ECD), Annular Velocity, and Pump Output.<br><br>Calculate the final mud weight by mixing two fluids with different mud weights.<br>Determine the required volume of each fluid with known mud weights and a desired final weight to achieve the desired mud weight.<br>Calculate the number of barrels needed to add a fluid with a known density to reduce mud weight.<br>Weight Up calculation.<br>Calculate hydrostatic pressure from mud weight and true vertical depth.<br>Determine the Equivalent Circulating Density (ECD) from annular pressure loss.<br>Calculate annular velocity from pump rate and hole/pipe geometry.<br>Calculate triplex pump output per stroke and flow rate.<br><br>Every calculation shows a step-by-step equation worked out with your own numbers and your chosen units, and can be exported as a professional PDF report with input and result tables, your name or company, the date, and an app watermark. All results are saved automatically in a searchable History, with support for multiple unit systems, customizable defaults, decimal precision, and a light or dark theme.<br><br><br><br>Special thanks to Eng. Mahmoud Elbeltagy for contributing to the development of these calculations.

## Rankings

- #2,445,046 — Overall

## Permissions and access

### Permissions

- `android.permission.INTERNET`
- `com.alho00ot.mud_eng.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.alho00ot.mud_eng)