Giant US oil fields evaluated by trap type, reservoir parameters, other properties

Oil fields with over 100 million bbl of ultimate recovery-cumulative production plus remaining reserves-are considered giants, the gleam in the eye of any explorationist. These fields account for only 362 of the more than 31,000 oil fields of all sizes in the US. However, their cumulative production is 60% of the US total, and they hold 50% of remaining US reserves.The only statistics available to the author for many of these fields are depth of production, lithology, type trap, proved acres, reservoir thickness, and reservoir age. Is there any information in these properties that might explain why the reserves in some fields are so much larger than other fields? The giant fields were stu...

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