Petrel Asia Pacific Newsletter

Petrel Asia Pacific Newsletter

February 2007

of 7

Dear Valued Customer, The Petrel Team is proud to continue this Newsletter specific to Petrel Asia/Pacific. This Newsletter will be focusing on:

- Module of the month – Fracture modeling in Petrel 2007.1 - Tips of the Month – How to protect your Petrel projects? - Highlight of the Month – Reference Project in Petrel 2007.1 - Workflow of the Month – Display of several Iso-Frequency attributes along a surface

We hope you will enjoy it ! Best regards, The Petrel Asia/Pacific Team


February 2007

of 7

Module of the month – Fracture modeling in Petrel 2007.1

This module will be commercially available within the release Petrel 2007.1. It results from a collaboration and integration of the IP from Golder associates.

Import fracture interpretation Create logs Create 3D properties of DFN

drivers Create DFN (properties or

numerical input) Upscale DFN to properties Simulate


February 2007

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Tips of the Month – How to protect your Petrel projects ?

Should you wish to save your Petrel projects on the network and to protect them from being modified by other users, you can simply use Windows tools “Read Only” under the Properties of the file. Once the project is classified as “Read Only”, the project will still be available for visualization and modification by other users but the changes can only be saved using “Save As”.


February 2007

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Highlight of the Month – Reference Project in Petrel 2007.1

Petrel user Petrel active project Petrel non active project

The new Reference Project in Petrel 2007.1 is replacing the Open Secondary Project functionality and is giving users much more tools to better compare, exchange data in both ways and QC data (see color codes below)


February 2007

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Using the Petrel Workflow Manager, it is possible to create a procedure to emulate the behavior of the so-called “Spectral Decomposition” method. The Iso-Frequency attribute in Petrel allows extracting the contribution of a single frequency within a given volume of data. The result is presented in a normalized way, with a scale range between 0 and 1. “0” means no presence of a given frequency at all, while “1” would mean 100% presence of the given signal. In several cases, interpreters want to see how a certain feature (a channel for example) develops across a range of decomposed frequency components. In order to achieve this visually in Petrel, it is possible to automate this process using the Workflow editor to first generate a series of Iso-Frequency volumes. Once this has been done, a second workflow can be used to extract the Iso-Frequency values along any given surface and to visualize them interactively.

Workflow of the Month – Display of several Iso-Frequency attributes along a surface

The figure above shows an example of a generation of a series of Iso-frequency volumes between 10 and 45 hz at steps of 5hz. Note that the names given are for reference only, the user needs to define the real parameters in the corresponding Attribute Interface for each of the steps.


February 2007

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Gaston Bejarano, our Petrel Seismic Advisor, has written this tip ☺

As shown in the figure 2 above, the 2nd step in the Workflow Manager simply loops through the generated volumes and extracts an Attribute Map along a defined surface for all the Iso-Frequency volumes inside the Tree Folder.

Figure 3 above shows the last step of this procedure, which allows visualizing the previously extracted surfaces interactively either on a 2D Window or a Map Window. The loop will run 10 times before it stops. The different spectral components along the surface can be visualized either one by one or as a “movie” in the 2D Window:

10 HZ 20 HZ 25 HZ 40 HZ


February 2007

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Petrel Asia Training Schedule February 01-02: Petrel Process Manager & Uncertainty Analysis - Adelaide - Australia February 05-06: Petrel Applied Well Correlation - Jakarta - Indonesia February 06-09: Petrel Introduction - Adelaide - Australia February 12-13: Petrel Process Manager & Uncertainty Analysis - Jakarta - Indonesia February 13-16: Petrel Introduction - Tokyo - Japan February 14-15: Petrel Structural Modeling - Jakarta - Indonesia February 19-21: Petrel Seismic Visualization and Interpretation - Tokyo - Japan February 20-21: Petrel Velocity Modeling course - Jakarta - Indonesia February 22-23: Petrel Process Manager and Uncertainty Analysis - Tokyo - Japan February 26-27: Petrel Applied Mapping - Jakarta - Indonesia March 13-16: Petrel Introduction - Jakarta - Indonesia March 14-16: Petrel Property Modeling - Adelaide - Australia March 14-17: Introduction course - Jakarta - Indonesia March 20-23: Petrel for Reservoir Engineers - Adelaide - Australia March 26-27: Petrel Structural Modeling - Tokyo - Japan March 26-28: Petrel Property Modeling - Jakarta - Indonesia March 28-30: Petrel Property Modeling (Japanese) - Tokyo - Japan April 03-05: Petrel Seismic Visualization & Interpretation - Adelaide - Australia April 12-13: Petrel Complex Structural Modeling - Adelaide - Australia April 16-18: Petrel Seismic visualization & Interpretation - Jakarta - Indonesia April 17-20: Petrel Introduction - Adelaide - Australia April 18-21: Introduction course - Jakarta - Indonesia April 19-20: Petrel Process Manager & Uncertainty Analysis April 24-25: Petrel Applied Mapping - Jakarta - Indonesia May 01-02: Petrel Applied Mapping - Adelaide - Australia May 01-04: Petrel Introduction - Jakarta, Indonesia May 03-04: Petrel Applied Well Correlation - Adelaide - Australia May 07-09: Petrel Structural Modeling - Jakarta - Indonesia May 17-18: Petrel Process Manager & Uncertainty Analysis - Adelaide - Australia May 22-25: Petrel Introduction - Adelaide - Australia May 28-29: Petrel Mapping and Scaled Plotting - Tokyo - Japan May 30-31: Petrel Applied Well Correlation - Jakarta - Indonesia June 06-08: Petrel Seismic visualization & Interpretation - Jakarta - Indonesia June 11-13: Petrel Property Modeling - Jakarta - Indonesia June 18-21: Petrel Reservoir Engineering - Tokyo - Japan June 21-22: Petrel Process Manager & Uncertainty Analysis - Jakarta - Indonesia June 26-29: Petrel for Reservoir Engineers - Adelaide - Australia

Interested in sharing your experience with the other usersaround Asia / Pacific ? Please do not hesitate to contact Caroline Le Turdu ([email protected]). Many thanks !

Petrel Asia Pacific Newsletter

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