- NMR logging is one of many techniques used to give us information about the subsurface.To find out about other techniques look at these SEED web site articles:
- Making of Oil
- This article tells the story of oil from its creation through detection to production. Look especially at the Detection and Evaluation pages in theTapping the Reservoir section.
- JOIDES Resolution
- Geologists on this ship find out what's underground by digging up core samples. Look especially at the Drilling pages.
- CyberGeologist
- Information from many sources is put together to form computer generated images of the underground.
- Magnetic Relaxation
- The nuclei of some atoms can be made to line up with a magnetic field. When that field disappears the nuclei "relax," returning to their previous state of alignment. Here's an experiment you can do to get a feel for how this works.
- The Electrical Resistivity of Materials
- This experiment will help you understand how electrical logging provides information about whether or not oil may be found in underground rock formations.
 These links go outside the SEED web site. When you click on one it will open in a new browser window. Close that window when you are done (don't use the Back button ) and you will be looking at this page again.
- Texas Energy Museum
- You'll find a bit of oil history on this site, with some old photographs from Spindletop, Texas.
- Illustrated and Animated Explanations of How NMR Works
- Nuclear Magnetic Resonance Theoretical Principles from Sheffield Hallam University
Principles of Magnetic Resonance Imaging by Mike Puddephat
Spectroscopy from The University of Calgary
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