[OpendTect_Users] Attribute on 2D data
Paul de Groot
paul.degroot at dgbes.com
Sat Nov 17 16:22:28 CET 2012
Sorry, the message was sent before I had finished. Here is is the link to
the webinar:
http://opendtect.org/tutorials/Webinar_Discontinuity_attributes_for_fault_mapping/
Best regards,
Paul.
--
*Paul de Groot
President
dGB Earth Sciences, Nijverheidstraat 11-2, 7511 JM Enschede, The
Netherlands.
Tel. +31 53 43 15 155, Fax +31 53 43 15 104.
paul.degroot at dgbes.com, www.dgbes.com, www.opendtect.org.
*
On Sat, Nov 17, 2012 at 4:19 PM, Paul de Groot <paul.degroot at dgbes.com>wrote:
> Hello Pouyan,
>
> The vertical character of similarity type of attributes is quite typical.
> These attributes look much better on (3D) time-slices than on sections. You
> can try reducing the time window but results will become more noisy and
> faults may start to break up resulting in a staircase pattern on vertical
> sections. If you have access to the dip-steering plugin you can compute the
> dip of the similarity attribute (how to do this requires a bit of an
> effort) and use this dip-steering cube to filter your data e.g. with a
> median filter. With the right parameters and filters you could get fault
> attributes that better honor your data.
>
> For more information on filters and parameter settings I recommend viewing
> this webinar on the subject:
>
>
> On Fri, Nov 16, 2012 at 7:13 AM, Pouyan Ebrahimi <
> pouyan.ebrahimi at gmail.com> wrote:
>
>> Dear Friends;
>>
>> I extracted some attribute (from 2d seismic data)
>> regarding sharpening faults/fractures.
>>
>> As it is decided in attached file, attribute show all fractures as
>> vertical lines! But in original data, without using any attribute, some
>> tilted faults are shown.
>>
>> What should I do to get real fault/fracture lines instead of just
>> vertical ones?
>>
>> PS: I precisely steered the data.
>> Original Output: seismic 2D
>> Output of Attribute: 2 and 10
>>
>> Your response is appreciated in advance.
>> Pouyan
>>
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>
>
>
> --
> *Paul de Groot
> President
> dGB Earth Sciences, Nijverheidstraat 11-2, 7511 JM Enschede, The
> Netherlands.
> Tel. +31 53 43 15 155, Fax +31 53 43 15 104.
> paul.degroot at dgbes.com, www.dgbes.com, www.opendtect.org.
>
> *
>
>
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