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  [ 13 posts ]  Go to page | Previous  1, 2
best seismic interpreters 
Author Message

Joined: Wed May 02, 2012 3:45 pm
Posts: 18
Post Re: best seismic interpreters
A few days after I posted my reply on this topic it occured to me that perhaps the answer depended on what kinds of questions the seismic interpreter is being asked.

For the brief time I worked in the field structure was the essential question - was there a bump there or not? But then velocity inversions came in and the questions began to change to is there or is there not gas in these rocks, and later while I was looking for a job either as a geologist or as a geophysicist one of my interviews was with a fellow who was trying to follow channels using 2D (1982).

If structure or some physical attribute of the section (velocity changes, phase changes, etc) is the question then I would go with the geophysicst with a strong background in data acquisition and processing. And especially if the question is does this change in signal attribute represent something real in the rocks or is it an artifact of the processing.

But if the question is one of stratigraphy or stratitgrahic variation over an area and/or depth range then I think the geologist might have the upper hand, particularly if they have had a lot of outcrop experience in sedimentary rocks deposited in the type of environment being postulated.

Those are just my thoughts. But having been out of the field so long I am curious about what kinds of questions the seismic interpreters are being asked now and if my thoughts make any sence to those of you still in the business.


Sat May 26, 2012 9:56 pm

Joined: Sun May 13, 2012 9:37 pm
Posts: 11
Post Re: best seismic interpreters
Darryl: your first response was very thoughtful as well but I really agree with your second response. In fact, its another emerging trend I've noticed that it depends on what questions are being asked of the interpreter.
Also, i talked to one very experienced and well known interpreter and he had a response which i think you might all enjoy. He said that when everything was conventional production, the main reason you would have a geophysicist instead of a geologist doing interpretation is because data quality was often poor and processing was not as well developed as it is today so a geophysicist who understood the constraints of the data were used. Otherwise a geologist would be preferred. Then as data quality and processing improved it reduced the need to have a geophysicist when you can have a geologist who understands the geologic features interpret the exquisitely fine detail seismic. However, fortunately for geophysicists, as data quality improved it just so happened that the oil industry went through changes and the questions being asked of seismic interpreters changed as well. Now that unconventional reservoirs are being produced and big safety/environmenntal concerns need to be addressed(we're all aware of the gulf of mexico disaster) the questions being asked of interpreters brings back the need for geophysicists to take on seismic interpretation roles. In fact, interpreters, he says, are needing to have a stronger math/physics background than ever before to answer questions regarding the mechanical properties of rocks (brittlenes, stress fields, young's modulus, fracability), caprock integrity (safety/environmental) and the time evolution of reservoirs (ie. Using 4D seismic to monitor changes during production) can be answered. Anyways, this has been a good and insightful discussion.

Sat May 26, 2012 10:42 pm

Joined: Thu Feb 14, 2013 6:26 pm
Posts: 1
Post Re: best seismic interpreters
I know several geophysicists and geologists. Truth to be told, each can be better than the other. It just depends how much experience they have. All in all, they all try to achieve the same - the means are just different but it all boils down to personal skill.

At least that's what I am seeing after a few years in the industry.

Thu Feb 14, 2013 6:31 pm
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 13 posts ]  Go to page | Previous  1, 2

Related topics 
 Topics   Author   Replies   Views   Last post 
There are no new unread posts for this topic. Seismic refraction survey and seismic refraction tomography?




Tue Sep 21, 2010 11:15 pm

H_Kleinmans View the latest post

There are no new unread posts for this topic. Help me with 3D seismic planing

[ Go to pageGo to page: 1, 2 ]




Sat Feb 21, 2015 11:29 am

Lonadovinic View the latest post

There are no new unread posts for this topic. Why do Seismic Inversion?




Wed Mar 30, 2011 12:04 am

O_Stevens View the latest post

There are no new unread posts for this topic. Seismic interpretation




Sun Jun 03, 2012 6:18 pm

Loloforfun View the latest post

There are no new unread posts for this topic. Seismic Interpretation basics




Mon Mar 14, 2011 1:42 pm

Klisperag View the latest post


Search for:
Jump to:  

Content on EPGeology.com is intended for personal use only and to supplement, not replace, professional judgment. EPGeology.com disclaims any and all liability for your use of its content. As most of our content is supplied by our users we can not check copyright, and stress that copyright remains at the original owner. If you suspect copyright infringement please use the contact form to report it.
Contact || © EPGeology.com. || Powered by phpBB Asteroid Mining