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OilField iHandbook

OilField iHandbook

handy and easy calc.

0 ratings
7 reviews
#200 in paid Reference
💼 Business
🔍 Reference
$1.99

Details

  • Released
  • Updated
  • September 17, 2014
  • January 25, 2026

Features

Developer

zhandos uakanov
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OilField iHandbook screenshot #1 for iPhone
📉no. 200
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❓8 answered
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About

This app provides essential calculations for oil and gas exploration and drilling specialists. It includes formulas for common operations and supports various units of measurement for convenience.

✓Annular Volume calculation
✓Annular Velocity calculation
✓Equivalent Circulating Density
✓Formation Fracture Gradient
✓Hydraulic Horse Power
✓Kill Weight Mud calculation
✓Support for multiple units
Show original description

What's New in OilField iHandbook

1.3

January 25, 2026

- improved calculation data;

Charts

Top Paid

📉 200-8

Reference

This app dropped -8 positions in Reference chart.

Last updated on June 25, 2026.

User reviews

Most RecentHighest RatedLowest Rated

App doesn’t open

Use to work great now it doesn’t at all and has been like this over a yr
Gig gotGig got

Response from developer

Thank you for your feedback and patience. We've recently released an update that resolves all reported issues and crashes. The app data has also been updated based on the latest API data. Please ensure you update to the latest version, and let us know if you encounter any further issues. We appreciate your support!

App doesn’t open

App crashes every time you try to open it
SlyMedusaSlyMedusa

Response from developer

Thank you for your feedback and patience. We've recently released an update that resolves all reported issues and crashes. The app data has also been updated based on the latest API data. Please ensure you update to the latest version, and let us know if you encounter any further issues. We appreciate your support!

Scam

App will not open
Sully77777Sully77777

Response from developer

Thank you for your feedback and patience. We've recently released an update that resolves all reported issues and crashes. The app data has also been updated based on the latest API data. Please ensure you update to the latest version, and let us know if you encounter any further issues. We appreciate your support!

Junk

Bought app and wouldn’t open. Scam.
Toolpusher1980Toolpusher1980

Response from developer

Thank you for your feedback and patience. We've recently released an update that resolves all reported issues and crashes. The app data has also been updated based on the latest API data. Please ensure you update to the latest version, and let us know if you encounter any further issues. We appreciate your support!

Don’t work on iPhone X

I bought it and not working
သားငယ္သားငယ္

Response from developer

Thank you for your feedback and patience. We've recently released an update that resolves all reported issues and crashes. The app data has also been updated based on the latest API data. Please ensure you update to the latest version, and let us know if you encounter any further issues. We appreciate your support!

See 2 more reviews

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FAQ

What is the price of OilField iHandbook?

OilField iHandbook is a paid application, priced at $1.99. This one-time purchase grants you access to all its features without recurring fees.

What units does OilField iHandbook support?

OilField iHandbook supports a wide range of units including Inches or Millimeters, Feet or Metres, Barrels or Cubic Meters, PPG or SG, and PSI or kPa, catering to diverse international standards.

Is OilField iHandbook available on Android devices?

Currently, OilField iHandbook is only supported on iPhone devices. Compatibility for Android and other platforms may be considered in future updates.

How often is OilField iHandbook updated?

The last update for OilField iHandbook was on January 25, 2026, indicating a commitment to maintaining and improving the application. Users can expect updates to reflect the latest API data and user feedback.

What specific calculations are included in OilField iHandbook?

OilField iHandbook includes calculations for Annular Volume, Annular Velocity, Buoyancy Factor, Equivalent Circulating Density, Formation Fracture Gradient, Hydraulic Horse Power, Mud Gradient, Pipe Displacement, Pump Outputs, True Vertical Depth, Well Hydrostatic Pressure, and Kill Weight Mud.

Does OilField iHandbook contain advertisements?

No, OilField iHandbook is ad-free. As a paid application, it provides an uninterrupted user experience without any advertisements.

What is the age rating for OilField iHandbook?

OilField iHandbook has an age rating of 4+. This indicates that the content is generally suitable for all audiences, with no mature themes or potentially disturbing material.

Where can I find clarification or report corrections for OilField iHandbook?

For any clarifications or corrections regarding OilField iHandbook, you can email the developers directly at info@oilfieldengineer.com. They are responsive to user feedback for improving the application.