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Help me with 3D seismic planing 
Author Message

Joined: Sat Sep 04, 2010 4:34 pm
Posts: 5
Post Help me with 3D seismic planing
Dear geophysicist!
Could you say me how I must plan reciever lines in 3d seismic? Along or across aim strucure?
Do you have ane books, articles about 3d planing?
Send me, please.
Thank you!!!


Sat Sep 04, 2010 4:50 pm

Joined: Thu Jun 17, 2010 6:27 pm
Posts: 5
Post Re: Help me with 3D seismic planing
U should locate at least one of your lines (RL or SL) across a structure. For geophysical aspects It does not mater what kind of line u locate along but it's important for economics of the project because number of SP depends on it.


Sat Sep 18, 2010 4:48 pm

Joined: Sat Sep 04, 2010 4:34 pm
Posts: 5
Post Re: Help me with 3D seismic planing
mobasi,
Thanks, are u familiar with GMG mesa software?


Sat Sep 18, 2010 5:09 pm

Joined: Sat Sep 25, 2010 5:00 pm
Posts: 5
Post Re: Help me with 3D seismic planing
I'm not a guru but I use this software for last 6 or 7 years from version 5. If u have any questions, drop me a line. I try to answer as soon as it's possible with my pleasure. I'm also been developing some software for the moving of templates automatically....


Sat Sep 25, 2010 5:09 pm

Joined: Sat Sep 04, 2010 4:34 pm
Posts: 5
Post Re: Help me with 3D seismic planing
Jaury, thanks!

Mobasi, but why do you have to put the receiver lines across the targeted structure.


Sat Sep 25, 2010 5:15 pm

Joined: Thu Jun 17, 2010 6:27 pm
Posts: 5
Post Re: Help me with 3D seismic planing
This is mainly because you want to de-risk a certain lead you have.... If you already have 2D over the area and want more detail you will need 3D to see three-way closure. Because, with 3D we can take a slice for any direction along reciever line, across it or any other angle. Also we are gathering data by CMP bins and one bin includes many azimuths and many offsets.


Sat Sep 25, 2010 11:15 pm

Joined: Sat Sep 04, 2010 4:34 pm
Posts: 5
Post Re: Help me with 3D seismic planing
Is it possible in 3D seismic survey to put the shot lines adjacent to receiver lines? if possible how will you implement this when you're making the template in Mesa?

thank you in advance..


Sat Sep 25, 2010 11:59 pm

Joined: Sat Sep 25, 2010 5:00 pm
Posts: 5
Post Re: Help me with 3D seismic planing
I don’t really understand your question, but here's me view:
I suppose you asked me why we use a same bearing for receiver and source lines. Well, why Not!! The most popular seismic design in world is orthogonal design where source lines are allocated across receiver lines. But there are many another variants like a bricks, zigzag, buttons etc. It
It means that you can lay lines with easiest logistics and logic for acquisition. But don’t forget about your geological targets.

Best regards


Sun Sep 26, 2010 12:04 am

Joined: Sat Sep 04, 2010 4:34 pm
Posts: 5
Post Re: Help me with 3D seismic planing
Ok, thank you!

Is there any way in omega to import the survey data and update .and the import the observer log (real time data) and compare it with the survey data in Mesa?


Sun Sep 26, 2010 12:24 am

Joined: Sat Sep 25, 2010 5:00 pm
Posts: 5
Post Re: Help me with 3D seismic planing
Yes, I think that is possible!


Sun Sep 26, 2010 12:39 am
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