About 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...
------- 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
Version History - Updated all data as per API last release; 1.5 Jan 23 - All data were updated; - Added more than 250 oilfield calculators; 1.4 08/05/2016 - 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 1.3 01/24/2015 - Added new formulas; - Critical bag was fixed; 1.2 08/07/2014 - Added Twitter and Facebook sharing function. - Critical bugs were fixed. 1.1 05/23/2014 1.0 05/12/2014
Previous Versions
Here you can find the changelog of OilField Formulas iHandy Calc since it was posted on our website on 2016-10-01 18:35:49.
The latest version is 1.5 and it was updated on 2026-10-12 16:59:21. See below the changes in each version.
OilField Formulas iHandy Calc version 1.5
Updated At: 2026-10-08
Changes: Version History - Updated all data as per API last release; 1.5 Jan 23 - All data were updated;
- Added more than 250 oilfield calculators; 1.4 08/05/2016 - 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 1.3 01/24/2015 - Added new formulas;
- Critical bag was fixed; 1.2 08/07/2014 - Added Twitter and Facebook sharing function.
- Critical bugs were fixed. 1.1 05/23/2014 1.0 05/12/2014
OilField Formulas iHandy Calc version 1.5
Updated At: 2026-09-03
Changes: Version History - Updated all data as per API last release; 1.5 Jan 23 This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
- All data were updated;
- Added more than 250 oilfield calculators; 1.4 08/05/2016 - 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 1.3 01/24/2015 - Added new formulas;
- Critical bag was fixed; 1.2 08/07/2014 - Added Twitter and Facebook sharing function.
- Critical bugs were fixed. 1.1 05/23/2014 1.0 05/12/2014
OilField Formulas iHandy Calc version 1.5
Updated At: 2026-08-21
Changes: Version History - Updated all data as per API last release; 1.5 Jan 23 This update from Apple will improve the functionality of this app. No new features are included.
- All data were updated;
- Added more than 250 oilfield calculators; 1.4 08/05/2016 - 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 1.3 01/24/2015 - Added new formulas;
- Critical bag was fixed; 1.2 08/07/2014 - Added Twitter and Facebook sharing function.
- Critical bugs were fixed. 1.1 05/23/2014 1.0 05/12/2014
OilField Formulas iHandy Calc version 1.5
Updated At: 2026-01-23
Changes: - Updated all data as per API last release;
OilField Formulas iHandy Calc version 1.4
Updated At: 2016-08-05
Changes: Aug 5, 2016
Version 1.4
This app has been updated by Apple to display the Apple Watch app icon.
- All data were updated;
- Added more than 250 oilfield calculators;
OilField Formulas iHandy Calc version 1.4
Updated At: 2014-05-12
Disclaimer
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