# OilField Formulas iHandy Calc — Professional Oilfield Tools > Oilfield and petroleum engineering calculation tool with extensive formulas and data. (iPhone/iPad app by zhandos uakanov.) - Source: https://appshunter.io/ios/app/oilfield-formulas-ihandy-calc/id875486327 (this page in markdown: same URL + `.md`) - Developer: [zhandos uakanov](https://appshunter.io/developer/625286817) - Category: Reference, Business - Price: $1.99 - Age rating: 4+ - Requires: iOS 18.0 · 21 MB - Languages: American English - Released: 2014-05-12 - Data updated: 2026-08-29 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/oilfield-formulas-ihandy-calc/id875486327/reviews.md ## What is OilField Formulas iHandy Calc? ------- Updated. Added more than 250 oilfield calculators ------- Aims of this application to make ease the life of Oilfield specialist and Petroleum, Mud Engineers by providing correct hand calculations. It is meant for Engineers,Specialist who are involved in Oil and Gas exploration and Drilling. This application is an essential supporting tool. P.S.: Best way for correct calculation is the hand calculation. Application builded by last updated API (American Petroleum Institute) Data. -Capacities & Volumes for Downhole formulas -Capacities & Volumes for Tanks formulas -Pump Output & Rate -Pump Press.Relationships -Equivalent Circulating Density (ECD) -Trip Calculations -Pressure & Gradient -Kill Sheet Calculations -Kick Related -Kick Related Engineering -Volumetric Method calculation -Lubricate & Bleed -Bullheading Calculations -Stripping/Snubbing -Subsea -Accumulator Sizing -Mud & Cement -Hydraulics -Tripping Rules of Thumb -Stuck Pipe -Free Point & Stretch Estimates -Estimating Temp. Drop Across a Choke or Orifice -Bit Nozzle Pressure Loss -Estimating Gas Well Flow Rates -Area of a Circle -Force & Pressure -Weight of Spiral Drill Collar -Buoyancy Factor (BF) -Surface & Bottom Hole Pressure in Full Gas Column -Pipe Elongation and more formulas... Also this app has: -Coiled Tubing Stretch Table -Mud Weights properties -Acronyms & Abbreviations -Conversion Factors -Constants -Drillpipe capacity and displacement -Drill Collar Capacity and displacement -Casing Capacity -Hole Capacity and more information… Good Luck in Your Job!!! ---------------------- Other best oilfield apps in App Store: - Annular Volume Calculator; - Casing make-up Torque Chart; - Surge & Swab Pressure Calc; - PDC Bit & Drilling Calculator; - Kick Tolerance Calculator; - ASTM Tables: 54A, 54B, 54D; - and MORE... ---------------------- Follow us: Instagram: @NationalOilfield Facebook: @OilfieldTeam ## Key features - Oilfield and petroleum engineering formulas - Drilling and exploration calculations - Mud and cement calculations - Capacities and volumes for downhole and tanks - Pressure and gradient calculations - Conversion factors and constants - Acronyms and abbreviations ## Chart rankings - #172 in Top Paid · Reference (US App Store) ## Recent user reviews (6 of 6) All indexed reviews: https://appshunter.io/ios/app/oilfield-formulas-ihandy-calc/id875486327/reviews.md ### 1/5 — Meh *2017-03-26* This is just a page of equations. Not very helpful to a mud engineer. Needs to have fields for entries, so equations could be calculated automatically. ### 5/5 — Nice hand calculations *2015-01-28* The app got high quality graphics, illustrations are colorful and clear definitions as well as the most accurate hand calculations supports engineers, specialist who are involved in Oil and Gas exploration. The actions redirect streamlined and easy to understand. ### 5/5 — Great *2015-01-28* Professional tool for oil workers and engineers with a lot of useful informations in the palm of your hand :) ### 5/5 — Very good *2014-11-19, version 1.2* This is a good little application for using in the oil industry, but not only there. It has some basic information and it has some professional one. I have to say it was useful for me at school, for example. ### 1/5 — No! *2014-11-13* Didn't like the app at all and I don't recommended you can't input any numbers and get answers just pictures of it ### 5/5 — Useful *2014-06-11* This app is useful for people who are involved in oil and gas exploration and drilling.Really an useful app which everyone should have a try! ## Frequently asked questions about OilField Formulas iHandy Calc ### What is OilField Formulas iHandy Calc used for? OilField Formulas iHandy Calc is designed to simplify hand calculations for oilfield specialists and petroleum engineers. It provides a wide range of formulas and data relevant to drilling, exploration, and mud engineering. ### What types of calculations does OilField Formulas iHandy Calc offer? The app includes calculations for capacities and volumes, pump output and pressure, equivalent circulating density (ECD), trip calculations, pressure and gradient, kill sheets, hydraulics, and many more specialized oilfield formulas. ### Does OilField Formulas iHandy Calc include reference data? Yes, in addition to formulas, OilField Formulas iHandy Calc provides useful reference data such as coiled tubing stretch tables, mud weights properties, acronyms and abbreviations, conversion factors, constants, and drillpipe/collar/casing capacities. ### How often is OilField Formulas iHandy Calc updated? The app was last updated on January 23, 2026, indicating recent development. It was initially released on May 12, 2014. ### What is the price of OilField Formulas iHandy Calc? OilField Formulas iHandy Calc is a paid application, priced at $1.99. ### What devices is OilField Formulas iHandy Calc compatible with? Based on the provided data, OilField Formulas iHandy Calc is supported on iPhones. ### What is the age rating for OilField Formulas iHandy Calc? The app has an age rating of 4+, making it suitable for a wide range of users. ### Does OilField Formulas iHandy Calc have ads? No, OilField Formulas iHandy Calc does not contain advertisements. ## Version history (last 5 releases) ### 1.5 — 2026-01-23 - Updated all data as per API last release; ### 1.4 — 2016-08-05 This app has been updated by Apple to display the Apple Watch app icon. - All data were updated; - Added more than 250 oilfield calculators; ### 1.3 — 2015-01-24 - App functions modified; - Added zooming effect; - All Tables modified; - Added all BOPs information data; - App design was updated; - Sharing function modified; - Added Coiled Tubing Dimensions Data; - All information were updated by last API Data; - Supported iPhone 4, 4s, 5, 5s, 6, 6Plus ### 1.2 — 2014-08-07 - Added new formulas; - Critical bag was fixed; ### 1.1 — 2014-05-23 - Added Twitter and Facebook sharing function. - Critical bugs were fixed. ## Apps similar to OilField Formulas iHandy Calc | App | Rating | Price | Category | | --- | --- | --- | --- | | [Quail Tools](https://appshunter.io/ios/app/quail-tools/id1279372123) | 5.0 (22) | Free | Reference | | [A/C Pro](https://appshunter.io/ios/app/ac-pro/id1496953441) | 2.1 (293) | Free | Reference | | [GeauxVote Mobile](https://appshunter.io/ios/app/geauxvote-mobile/id451157430) | 3.8 (174) | Free | Reference | | [HazMat - ERG 2024 Guidebook](https://appshunter.io/ios/app/hazmat-erg-2024-guidebook/id1486387187) | 4.6 (1,038) | Free | Reference | | [NM E-Tag](https://appshunter.io/ios/app/nm-e-tag/id1462082515) | 2.0 (78) | Free | Reference | | [Flange Bolt Size & Torque](https://appshunter.io/ios/app/flange-bolt-size-and-torque/id1489122965) | 4.6 (363) | Free | Reference | ## More apps by zhandos uakanov - [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 [oilfield data](https://appshunter.io/ios/topics/oilfield-data) · [oilfield calculator](https://appshunter.io/ios/topics/oilfield-calculator) · [oilfield cal](https://appshunter.io/ios/topics/oilfield-cal) · [oilfield instrumentation](https://appshunter.io/ios/topics/oilfield-instrumentation) · [oilfield](https://appshunter.io/ios/topics/oilfield) · [oilfield calc](https://appshunter.io/ios/topics/oilfield-calc) · [oilfield calculator pro](https://appshunter.io/ios/topics/oilfield-calculator-pro) --- *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 2026-08-29.*