[OpendTect_Users] Fracture detection using 3d seismic data

[Paul de Groot]

Hello Charly,

It is difficult to give concrete advise without having access to the data.
To give you some ideas on what is possible in OpendTect I made a small pdf
presentation:
https://docs.google.com/file/d/0Bw_jc73Z9AFGcS1DNUVsblBuWnM/edit?usp=sharing.

In this presentation you will find three techniques that dGB uses in our
own service work when it comes to fracture characterization studies.

   1. Attributes & filters to enhance the data and to visualize small-scale
   faults / fractures
   2. Chimney Cube analysis to determine which faults / fractures are
   sealing and which are leaking
   3. Lithology prediction as lithology is a key factor in natural and
   artificial facking

 We do other stuff as well like pre-stack analysis and anisotropic analysis
but to do this you probably need different kind of input data.

I hope this helps. Good luck with your work and 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 Thu, Oct 3, 2013 at 9:40 AM, charly <charlemagne.favi at gmail.com> wrote:

> Hello,
> I am a grad student using Opendtect 4.4 for fracture detection using
> post-stack 3D seismic data from the Bakken formation. I was faced with some
> incompatibility issues with the imperial units and was not able to load the
> well information into the survey to tie the wells to the seismic and pick
> my horizons. After many unsuccessful attempts, I was told by the Opendtect
> support that I would not be able to load the wells into my surveys due to
> some bugs in the version 4.4 and that getting the version 4.4.0 n would
> solve the issue. I was unable to find that version and download so I ended
> up using Seisware to create the synthetics and picked the horizons, which I
> later on imported into into Opendtect for the fracture analysis. I have
> tried a number of individual/combination of attributes and have exhausted
> to my knowledge all the possibilities suggested in the OpendTect Attributes
> Matrix for fracture detection without success. With the lack of well log
> information in the system I was no longer able to use the supervised neural
> network and the spectral blueing SSIS as other options available for
> fracture analysis with Opendtect that I have first plan for, and I am
> neither able to draw any useful conclusions from the results that I have
> got so far.  Could any one give me some suggestions or guidance to allow me
> to proceed with my project?
> Thanks in advance for your help.
>
> --
> G. Charlemagne Favi
> Geophysical Engineering
> Cell: 406-962-8852
> Home: 702 518 6189
> Fax: 206-888-2683
>
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