[OpendTect_Users] Workflow time seismic lines to depth

[Crepin Eric Bouanga]

Dear Michael,

In order to display the time seismic lines in depth survey you will need 
to first export them from the time survey using either the velocity 
model, a constant velocity or a well.
  Do the following in OpendTect:

Survey > Export > Horizon > Ascii 3D/2D
Input Surface: Your time seismic line
Output type: X/Y
Output Z: Transformed
Depth conversion: Linear (Constant), Velocity (Model) or Well

You can then import your surface(s) in depth survey.

Best regards,

Eric



On 04/17/2012 02:51 PM, Michael Cornyn wrote:
> Crepin
>
> Is there a suggested work flow for inverting time seismic lines into 
> depth?
>
> Regards
>
> Michael Cornyn
>
> Sent from my iPhone
>
> On Apr 17, 2012, at 5:16, Crepin Eric Bouanga <eric.bouanga at dgbes.com 
> <mailto:eric.bouanga at dgbes.com>> wrote:
>
>> Dear Santan,
>>
>> Principal component spectral analysis is not supported in OpendTect. 
>> Spectral analysis can be done in OpendTect using the RGB blending 
>> with spectral decomposition attribute (using FFT or CWT algorithms)
>> RGB blending (aka color stacking) is a powerful visualization 
>> technique to view multiple attributes simultaneously. In combination 
>> with spectral decomposition RGB blending can be used in DHI finding, 
>> layer thickness determination and stratigraphic visualization in the 
>> target interval at sub-seismic resolution.
>>
>> Please see the link below for more information:
>> http://www.dgbes.com/images/stories/PDF/howto_rgb_blending.pdf  .
>>
>>
>> Best regards,
>>
>> Eric
>>
>>
>>
>> On 04/15/2012 10:13 PM, kumar, santan wrote:
>>>
>>> Hi everybody,
>>>
>>> I was wondering, is there any way of doing Principal component 
>>> analysis inside OpendTect, for example on the Spectral Decomposition 
>>> outputs.
>>>
>>> Thanks & Regards
>>>
>>> Santan
>>>
>>>
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>>
>> -- 
>> /*
>>     Eric Bouanga, MSc.
>>     Geoscientist
>>
>>     dGB Earth Sciences B.V.
>>     Nijverheidstraat 11-2, 7511 JM Enschede, The Netherlands
>>     Mailto:eric.bouanga at dgbes.com
>>     Tel: +31 534315155 / Fax: +31 534315104
>>     http://www.dgbes.com
>>     Skype: ericb_dgb
>> */
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-- 
/*
    Eric Bouanga, MSc.
    Geoscientist

    dGB Earth Sciences B.V.
    Nijverheidstraat 11-2, 7511 JM Enschede, The Netherlands
    Mailto: eric.bouanga at dgbes.com
    Tel: +31 534315155 / Fax: +31 534315104
    http://www.dgbes.com
    Skype: ericb_dgb
*/

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