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What's the difference between secondary & primary porosity? : Petrophysics - Exploration & Production Geology

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Post new topic Reply to topic  [ 5 posts ] 
What's the difference between secondary & primary porosity? 
Author Message

Joined: Thu Feb 24, 2011 12:04 am
Posts: 2
Post What's the difference between secondary & primary porosity?
Hi all, great forums!

Can anybody quickly explain what the difference is between secondary and primary porosity?

thanks in advance!


Thu Feb 24, 2011 12:16 am

Joined: Wed Aug 18, 2010 10:15 pm
Posts: 36
Post Re: What's the difference between secondary & primary porosi
Basically Primary porosity is formed when the sediment is deposited. Secondary porosity is formed after sedimentary deposition (diagenisis).

That's the simplest way I can explain it!


Thu Feb 24, 2011 12:35 am

Joined: Thu Feb 24, 2011 12:04 am
Posts: 2
Post Re: What's the difference between secondary & primary porosi
Thanks petrobos! That's pretty simple indeed...

Can you also tell me what effective and ineffective porosity means??


Thu Feb 24, 2011 12:49 am

Joined: Wed Aug 18, 2010 10:15 pm
Posts: 36
Post Re: What's the difference between secondary & primary porosi


Thu Feb 24, 2011 6:49 pm

Joined: Mon Dec 05, 2011 10:24 pm
Posts: 19
Post Re: What's the difference between secondary & primary porosi
Thanks

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