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Petrel 3D grid 
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Joined: Wed Jul 24, 2013 8:11 am
Posts: 23
Post Petrel 3D grid
Hello,
I am doing pillar grid operation. Let me know in pillar grid every node of the grid has a pillar, when a fault pass through it, it is called fault pillar. Now fault pillar can be vertical or non-vertical. Let me know apart from fault pillar other pillars are always vertical? I mean to say that the (x,y) of the grid node should be same for all top, base and mid skeleton grid of the pillar grid?

Thanks & regards,
Roy


Tue Jul 01, 2014 8:27 am

Joined: Wed Sep 01, 2010 10:06 pm
Posts: 107
Post Re: Petrel 3D grid
ngroy wrote:
Hello,
I am doing pillar grid operation. Let me know in pillar grid every node of the grid has a pillar, when a fault pass through it, it is called fault pillar. Now fault pillar can be vertical or non-vertical. Let me know apart from fault pillar other pillars are always vertical? I mean to say that the (x,y) of the grid node should be same for all top, base and mid skeleton grid of the pillar grid?

Thanks & regards,
Roy



Roy,

In pillar-grids not all pillars need to have the same X,Y coordinate. Pillars can (and usually are) alligned along the (nearest) KEY-pillars. The KEY-pillars are the faults sticks, which can have 2, 3 or 5 shapepoints. You can thus have vertical, subvertical, listric and fully curved KEY-Pillars.

During pillar gridding the pillars are fit along the KEY-pillars and your 3D grid is thus 'structured' along your fault pillars. Inbetween KEY-pillars the pillars are distributed according to the cell size you enter and you thus have a lot more pillars opposed to KEY-pillars.

hope this explains it a bit.


Sat Oct 18, 2014 5:23 pm
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