[quote]The Mage wrote:
The Bakken oil production has increased ~30 fold between 2000 and 2007. (And still climbing.) This is due mostly to “slant” drilling. But this is the fairly normal production, not the shale I was referring to.
The method of in-situ production developed is completely different. The wells actually do not follow a bell curve of production like most wells. They only produce from a small planned out section, and the oil flows at full capacity, then when it drops off, it is practically empty. At that point they simply move the operation over to the next section.
It is a faulty argument to attempt to point out what percentage of our use, or potential use comes from a single source. Simply because we do not use just one source, and there is more then one source available.
That is like saying a single farm is not worth it because it can barely produce enough in a year to feed the world for an hour. But there are millions of farms out there.
There is an estimated 90 billion available off our shores. That is 4,500 days. Then there is the 10 billion available in Alaska. (Using way outdated information.) Now we are up to 5,000 days. Excluding every other source.
Now add in the 800 billion available in the Bakken shale, (estimated recoverable out of the estimated 1.2 trillion barrels there,) and we now have 45,000 days worth of oil. (123 years.)[/quote]
I’m trying to find these estimates. The Bismark Tribune reported much lower numbers at http://bismarcktribune.com/articles/2008/04/29/news/state/154403.txt. They reported, “The federal report found up to 2.6 billion barrels could be recovered in North Dakota, compared with the state’s estimate of 2.1 billion barrels, Murphy said.” I’m a bit disappointed that my old hometowm (Jamestown, Go Jimmies!)
At http://bakkenshale.net/, the author states, “While estimates are all over the place, I think that the Bakken Shale oil field may hold between 3 - 5 billion barrels of recoverable oil”. He did mention that there is also a great deal of natural gas, “Estimates have the Bakken Shale field hold a little less then 2 trillion cubic feet.”
From the state of North Dakota’s Department of Mineral Resources, we find https://www.dmr.nd.gov/ndgs/Bakken/newpostings/07272006_BakkenReserveEstimates.pdf
. This document claims reserves of 200-300 BBbls. The estimates for extractable oil has been estimated to be 18%, 50%, 3% and 10%. This is an impressive amount of oil, but I’m not finding your figure of 800 BBbl extractable oil.
I’m not accustomed to be called ‘too conservative’, but I will certainly agree that the DOE values are conservative. I’m also guessing that it is unusual for The Mage to be on the liberal side of an argument, but here we are. But seriously, I am learning a great deal in the thread. Thanks primarily to The Mage.