Welcome to Petroleum Geology Forums

This is a free online community that aims to bring petroleum professionals and geologists together and share valuable knowledge. Registration is easy so become a member now for instant free access.
  • Petroleum Geologists can stay up to date with industry related topics and exchange ideas and concepts.
  • Upstream Oil and Gas Consultants get a chance to share their expertise and gain exposure to land future projects.
  • Geology students and graduates can join the discussion and get into contact with potential future employees.

  >> Register Now





Post new topic Reply to topic  [ 2 posts ] 
Stacking Velocities 
Author Message

Joined: Sun May 15, 2011 3:40 pm
Posts: 1
Post Stacking Velocities
Hi,

I am having trouble understanding how best to use a stacking velocity cube to depth convert time horizons. I understand that you can assume Vstack = Vrms and then use the Dix formula to output an interval velocity.

However, how do you actually apply this to a velocity SEGY cube. Do I apply Dix to every time sample? If so would this essentially give me an instantaneous velocity volume rather than an interval velocity volume? Do I not need to make an average velocity volume if I want to depth convert an horizon?

Any help appreciated. A clear step by step guide would be a great help

Thanks


Sun May 15, 2011 3:46 pm
Profile

Joined: Tue Oct 04, 2011 7:07 am
Posts: 1
Post Re: Stacking Velocities
Hi

Stacking velocity is higher than the real velocity with the range of 4-10 %. so if u r going to use it u should calibrate it with the actual velocity data recorded in the borehole via VSP or can be generated from sonic logs after corrections.


Tue Oct 04, 2011 8:36 am
Profile
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 2 posts ] 



Search for:
Jump to:  


Contact || © EPGeology.com. || Powered by phpBB

phpBB SEO