# Mud Engineer — Drilling mud calculations > Drilling fluid calculations for mud engineers. (iPhone/iPad app by bader alshammari.) - Source: https://appshunter.io/ios/app/mud-engineer/id992941305 (this page in markdown: same URL + `.md`) - Developer: [bader alshammari](https://appshunter.io/developer/858126240) - Category: Business, Education - Price: $2.99 - Rating: 1.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 17+ - Requires: iOS 13.0 · 31 MB - Languages: American English - Released: 2015-05-30 - Data updated: 2026-08-19 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/mud-engineer/id992941305/reviews.md ## What is Mud Engineer? Mud engineers play a crucial role in ensuring the smooth operation of drilling programs. The Mud Engineer App is an essential tool for mud engineers, providing a foundation for essential drilling calculations. 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. Calculate the final mud weight by mixing two fluids with different mud weights. Determine the required volume of each fluid with known mud weights and a desired final weight to achieve the desired mud weight. Calculate the number of barrels needed to add a fluid with a known density to reduce mud weight. Weight Up calculation. Calculate hydrostatic pressure from mud weight and true vertical depth. Determine the Equivalent Circulating Density (ECD) from annular pressure loss. Calculate annular velocity from pump rate and hole/pipe geometry. Calculate triplex pump output per stroke and flow rate. 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. Special thanks to Eng. Mahmoud Elbeltagy for contributing to the development of these calculations. ## Key features - Final Mud Weight calculation - Volume calculations - Sack calculations - lb/bbl calculation - Weight Up calculation ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/mud-engineer/id992941305/reviews.md ### 5/5 — Great app *2015-05-30* Useful 👍🏻 ## Frequently asked questions about Mud Engineer ### What calculations does Mud Engineer offer? Mud Engineer offers calculations for Final Mud Weight, Final Volume, Volume 1, Volume 2, End Volume, BBLs required to adjust Mud Weight, Number of Sacks, Volume Increase, lb/bbl, and Weight Up. ### How much does Mud Engineer cost? Mud Engineer is a paid app, priced at $2.99. ### Is Mud Engineer available on Android? Mud Engineer is currently available for iPhone, iPad, and iPod devices. ### When was Mud Engineer last updated? The latest version of Mud Engineer was released on June 4, 2023. ### What is the age rating for Mud Engineer? Mud Engineer has an age rating of 17+, indicating mature content or themes. ### Does Mud Engineer have ads? No, Mud Engineer does not contain advertisements. ### What is the user rating for Mud Engineer? Mud Engineer has a rating of 3.0 stars based on 2 user reviews. ### Can Mud Engineer help calculate the number of sacks needed? Yes, Mud Engineer includes a feature to calculate the number of sacks required for specific drilling operations. ## Version history (last 5 releases) ### 2.2.0 — 2026-06-30 What's new in this version: - 4 new calculators: Hydrostatic Pressure, ECD, Annular Velocity, Pump Output. - Step-by-step equations shown with your numbers and your chosen unit. - Professional PDF reports with in-app preview, tables, engineer name, date - Calculation History: auto-saved, filter by date/type, full PDF export. - Settings for default units, decimal places, and dark mode. - Responsive design, performance improvements, and bug fixes. ### 2.1 — 2023-06-04 - Enhanced Result Details in PDF: Based on user feedback, we've added more detailed information to the result PDFs. When you generate a result and export it to PDF, you'll now find additional data. - Improved Performance: We've optimized the app's performance to ensure a smoother and faster experience. You'll notice quicker loading times, smoother animations, and improved responsiveness throughout the app. - Bug Fixes and Stability Enhancements: We've addressed several minor bugs and made stability improvements to enhance your overall experience. Rest assured, the app is now more reliable and stable than ever before. ### 2.0 — 2023-04-22 Introducing the Newest Upgrades in the Mud Engineer App: Enhanced Performance and Features for Drilling Professionals We're excited to announce the latest improvements in the Mud Engineer App, making it even more powerful and user-friendly for drilling professionals like you! Here's what's new in this version: - Enhanced User Interface: Navigate with ease through our improved design and layout, offering a more intuitive and seamless user experience. - Faster Performance: Experience optimized algorithms for quicker calculations and increased efficiency in your drilling operations. - PDF Results Export: Generate detailed and professional PDF reports of your calculations, making it simple to share and present your findings. - Additional Features ### 1.5 — 2020-07-10 Bug fixes & UI Improvements ### 1.1 — 2016-10-08 iOS 10 support ## Apps similar to Mud Engineer | App | Rating | Price | Category | | --- | --- | --- | --- | | [Halliburton eRedBook® Mobile](https://appshunter.io/ios/app/halliburton-eredbook-mobile/id507496941) | 3.7 (30) | Free | Business | | [Corva](https://appshunter.io/ios/app/corva/id6736755978) | 5.0 (2) | Free | Business | | [Max Drilling](https://appshunter.io/ios/app/max-drilling/id1184959427) | 3.2 (22) | Free | Business | | [RigCLOUD](https://appshunter.io/ios/app/rigcloud/id1451216799) | 4.4 (30) | Free | Business | | [RigUp Field](https://appshunter.io/ios/app/rigup-field/id6472059168) | — | Free | Business | | [Pason](https://appshunter.io/ios/app/pason/id6502012087) | 4.6 (20) | Free | Business | ## More apps by bader alshammari - [Flappy Pixel](https://appshunter.io/ios/app/flappy-pixel/id858509257) - [قياس القدرات](https://appshunter.io/ios/app/id953441582) - [ذكرني بالله](https://appshunter.io/ios/app/id998760614) - [سويفت تايم](https://appshunter.io/ios/app/id1134774419) - [Quick Conversion Units](https://appshunter.io/ios/app/quick-conversion-units/id1159050734) All apps by bader alshammari: https://appshunter.io/developer/858126240 ## Related topics [fluids drilling](https://appshunter.io/ios/topics/fluids-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 2026-08-19.*