I believe this is what you're looking for. The Shell and SEG polarity conventions can indeed be quite confusing. Let me know if this helped!
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| Seismic Polarity, vintages and conventions (SEG & Shell)?? http://www.epgeology.com/geophysics-seismics-f22/seismic-polarity-vintages-and-conventions-seg-shell-t75.html |
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| Author: | CarlTKumpler [ Fri Oct 01, 2010 12:16 am ] |
| Post subject: | Seismic Polarity, vintages and conventions (SEG & Shell)?? |
Hi all, I am having trouble with understanding my seismic polarity. Several of my vintages that I use seem to be phaseshifted 180 degrees. I know several (two) types of colouring (negative and positive) conventions are used. The Shell convention and the SEG or something. Are they processed differently or is a simple phase shift in order?? And how does the input wiggle relate to this polarity (zero phased??). I have had this in university, but can;t seem to remember the details. Any documents/explanation on this would be very much appreciated. Thanks, Carl |
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| Author: | Admin [ Fri Oct 15, 2010 11:40 pm ] | ||
| Post subject: | Re: Seismic Polarity, vintages and conventions (SEG & Shell) | ||
I believe this is what you're looking for. The Shell and SEG polarity conventions can indeed be quite confusing. Let me know if this helped!
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