Friday, June 03, 2005

What Does Peak Oil Look Like - A Snapshot of Field Depletion An excellent post on World Changing, which in turn refers to the Green Car Congress and several others. The shape is that of the carbonate rock which is the oil reservoir, although the vertical scale has been exaggerated considerably to show the current contents of the field. By using different colors the authors have shown the different fluid densities, and these can simply be translated into four zones. Over time the field has been injected with water (the blue zone) and this has pushed up the oil (the green zone) into the wells. The red is the overlying gas cap. When the reservoir was untapped it was likely all red and green. After all these years of pumping you can see how little of the green—the oil—remains. 9:22:59 AM    comment []

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