Directional Survey Calculation Methods

FREE App for iPhone, iPod touch, iPad and Mac




Mac Version

This app uses the formulas to calculate the survey parameters (diff of TVD, N/S, E/W, DLS) between two stations of the methods:

1. Tangential
2. Balanced Tangential
3. Minimum Curvature
4. Radius of Curvature
5. Average Angle

Also available the formulas of the methods.

This app was developed based in existing spreadsheets. There is no comparison with any other software.

You can contribute with suggestions for improvements, correcting the translation to english, reporting bugs and spreading it to your friends.

Our portfolio for Directional Drilling available on the App Store:

– “Directional Drilling” a complete app (building and plotting) with well planning, survey, multi-lateral, etc.
– “Directional Calculations” a simple app to 2D directional well planning, 3D calculations between two stations and survey calculations methods.

– “3D Interpolation” to calculate a survey data between two stations.

Visit our website for other Oil & Gas apps available on the App Store:  or


iPhone and iPod touch:






Visit our Portfolio on the App Store for more Oil & Gas apps for iPhone, iPod Touch, iPad and Mac OS X.


Visit our website for more Oil & Gas apps for iPhone, iPod Touch, iPad and Mac OS X.



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