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To: gogipper
A few decades ago the average oil recovery rate from reservoirs was 20%. Thanks to remarkable advances in technology this has risen to about 35% today."

Well, that's wrong. It's risen from about 40% to about 60%.

I wish they'd talk to current professionals in the industry before publishing this stuff.

31 posted on 05/03/2005 6:43:45 PM PDT by Dog Gone
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To: Dog Gone

Sorry but as a "current professional", 25% is correct as an average and MAYBE 35% with advanced tertiary recovery (CO2 or steam flooding)... I don't think I've heard of a single field with a 60% recovery factor (maybe possible in a karstic carbonate...) A good GOM field may have a water saturation of ~30% with the remaining space being filled with hydrocarbons. If you can get 50% of that, you're doing great (50% of 70%= 35%).


41 posted on 05/03/2005 7:23:27 PM PDT by Grimas
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To: Dog Gone

From your lips (or fingertips, as it were) to G-d's ear, m'friend. Spot on, and thanks for stating the figs outright!


51 posted on 05/03/2005 8:14:23 PM PDT by SAJ
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