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Dear Valued Customer, The Petrel Team is proud to continue this Newsletter specific to Petrel Asia/Pacific.

This Newsletter will be focusing on: - Functionality of the month - Seismic calculator in Petrel 2005 - Highlight of the Month - SNESIM plug-in - Tips of the month - How to update a model with a Zone log ? - Workflow of the Month - How to create a collision index property? We hope you will enjoy it ! Best regards, The Petrel Asia/Pacific Team

March 2006

Petrel Asia Pacific User Forum, 26 and 28th of April 2006 in Perth. Registrations are open now

Last call for paper ! Details at the end of this newsletter!

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Functionality of the month – Seismic calculator in Petrel 2005

Example of equations for the Seismic calculator

• Cut seismic with one or two

horizons • Combined two cubes together

with all the classical operation available in the Petrel calculator

• Bulk-shift a seismic volume • Use a function created in Petrel • Clip values

NEW

In that case, the Ants cube and Amplitude cubes have been merged using the following formulas: New=if (Ants > 0.8, U, Amplitude) U = Undefined value This is very handy for a better control of the 3D autotracker as the faults arereally detected on the amplitude

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Highlight of the month – SNESIM plug in ?

NEW

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Highlight of the month - SNESIM ?

NEW

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Tips of the month - How to update a model with a Zone log?

Well which has been drilled and where cuttings sampled demonstrate that the well penetrate only the good sands within the “green” layer (not the orange zone below)

Now with Petrel 2005, the log can be corrected and by using Make Zone / Well Adjustment and “Use zone logs”, the model will be automatically adjusted with some specific radius, threshold and tolerance

NEW

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Workflow of the Month - How to create a collision index property?

The calculator creates property with 0 or 1 around the well, so we need to add these grids together in order to get the final property . This is done by going under the Folder Settings and Operation / SUM of all properties created.

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25-27 October: Petrel Property Modeling

Petrel Asia Training Schedule - March: 13 to 14 - Petrel Process Manager - Perth - Australia - March: 13 to 17 - Petrel Reservoir Engineering - KL - Malaysia - March: 14 to 17 - Introduction to Petrel - Jakarta - Indonesia - March: 14 to 17 - Petrel for Reservoir Engineers - Kuala Lumpur - Malaysia - March: 15 to 17 - Petrel Property Modeling - Adelaide - Australia - March: 20 to 24 - Petrel for Reservoir Engineers - Adelaide - Australia - March: 27 to 27 - Process Manager - Tokyo - Japan - March: 28 to 31 - Introduction to Petrel - Tokyo - Japan - March: 29 to 31 - Petrel Seismic Visualization & Interpretation - Adelaide - Australia - April: 03 to 05 - Complex Structural Modeling in Petrel - Perth - Australia - April: 03 to 05 - Seismic Visualization and Interpretation - Tokyo - Japan - April: 04 to 07 - Introduction to Petrel - Adelaide - Australia - April: 10 to 12 - Mapping and Scaled Plotting in Petrel - Perth - Australia - April: 18 to 21 - Introduction to Petrel - Jakarta - Indonesia - April: 18 to 21 - Introduction to Petrel - KL - Malaysia - April: 24 to 26 - Petrel Seismic - KL - Malaysia - April: 26 to 26 - Upscaling in Petrel - Perth - Australia Please note that these courses are set up the week following the User Forum in Perth

- May: 01 to 01 - Petrel 2005 Update - May: 01 to 02 - Petrel Uncertainty - May: 01 to 02 - Advanced Well Correlation - May: 03 to 05 - Petrel Reservoir Engineering - May: 03 to 05 - Seismic interpretation and Visualization

- May: 09 to 12 - Introduction to Petrel - Adelaide - Australia - May: 17 to 18 - Petrel Process Manager - Adelaide - Australia - May: 17 to 19 - Petrel Property Modeling - KL - Malaysia - May: 30 to 31 - Petrel Complex Structural Modeling - Adelaide - Australia - June: 02 to 02 - Petrel Data Management - Adelaide - Australia - June: 06 to 09 - Introduction to Petrel - Adelaide - Australia - June: 14 to 16 - Petrel Seismic Visualization & Interpretation - Adelaide - Australia - June: 26 to 30 - Petrel for Reservoir Engineers

Interested in sharing your experience with the other users around Asia / Pacific ? Please do not hesitate to make contact

with Caroline Le Turdu (cleturdu@slb.com). Many thanks !

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Petrel Asia Pacific User Forum and Advanced Training Workshops April 26-28, 2006 - Perth, Australia Intercontinental Burswood Resort

User Forum Apr 26 Petrel user and Schlumberger presentations and discussions Apr 27 Petrel user and Schlumberger presentations and discussions Apr 28 Boat cruise along the Swan River, wine tasting, lunch at a v ineyard Petrel Advanced Training Workshops May 1 - 1 Petrel 2005 Update May 1 - 2 Uncertainty Analysis May 1 - 2 Advanced Well Correlation May 3 - 5 Petrel Reservoir Engineering May 3 - 5 Seismic Interpretation and Visualization

Please find detailed agenda and online registration form at the following address:

http://www.slb.com/content/about/events/200604_petrel_forum_australia.asp?

We are looking forward meeting you in Perth !

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Registration form for OSLO training