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Downloading Crava

Here you can download full version of the CRAVA software. The download package contains the Crava executabel and xml examples.

Windows version: Download

Linux version (compiled on RH6): Download

Please contact us at crava@nr.no if you have any questions or problems.

Crava is also available on Github

Running CRAVA

Crava uses a XML based model files. See XML Model for a more detailed information of these xml files.

Running CRAVA is done by the executable followed by the model file:

> crava.exe modelfile.xml (Windows)

or

> ./cravarun modelfile.xml (Linux)

For details and examples please have a look at the CRAVA user manual that has an extensive introduction to concepts and possibilities.

Examples of XML files

A set of example model files follows with the installation, for using different features of CRAVA. These are:

Background estimation - Download

Estimating and writing a background model to file based on input wells.

Multizone background estimation - Download

Estimating and writing a multizone background model to file based on input wells.

Wavlet estimation - Download

Estimating and writing a multizone background model to file based on input wells and seismic data.

Single zone inversion - prediction - Download

Running a full seismic inversion with prediction

Single zone inversion - simulation - Download

Running a full seismic inversion with simulation

Multizone inversion - Download

Running a full seismic inversion with multiple zones

Forward modelling - Download

Generating syntethic seismic data based on an input earth model for Vp, Vs, and Density.

Rock Physics - Download

Rock physics template without trend.

Facies Probabilities - Download

Example with predicting facies probabilities