These facts are brought to you courtesy of the
Arctic National Wildlife Refuge, 1002 Area, Petroleum Assessment, 1998, Including Economic Analysis U.S. Geology Survey Fact Sheet 0028-01
An important fact about this USGS study is about the data it comes from. To wit-
quote:“Collection of seismic data within ANWR requires an act of Congress, and these are the only seismic data ever collected within the 1002 area.”
So ALL available estimates are either based on these data, superceded by these data or made up. Most estimates are based on this USGS report.
quote:“This was a comprehensive study by a team of USGS scientists in collaboration on technical issues (but not the assessment) with colleagues in other agencies and universities.
The study incorporated all available public data and included new field and analytic work as well as the reevaluation of all previous work.”
Here are a few definitions that are worth noting.
In-place resources—The amount of petroleum contained in accumulations of at least 50 MMBO, (million barrels of oil), without regard to recoverability.
Technically recoverable resources—Volume of petroleum representing that proportion of assessed in-place resources that may be recoverable using current recovery technology without regard to cost.
Economically recoverable resources—That part of the technically recoverable resource for which the costs of discovery, development, and production, including a return to capital, can be recovered at a given well-head price.
As to technically recoverable oil “this study estimates that the total quantity of technically recoverable oil in the 1002 area is 7.7 BBO (mean value),” and economically recoverable resources-”at a price of $30 per barrel, between 3 and 10.4 billion barrels are estimated”
quote:
For further information and to request a CD-ROM (USGS Open-File Report 98-34)
containing detailed results and supporting scientific documentation, send e-mail to:
gd-anwr@usgs.gov
or contact:
Kenneth J. Bird (kbird@usgs.gov) (650) 329-4907
David W. Houseknecht (dhouse@usgs.gov) (703) 648-6466
The people at ANWR.orgbring up the point that extraction methods have gotten and will probably continue to get more effective and more efficient. They use these premises to make the case for the USGS mean numbers for both the technically recoverable and economically recoverable to be low-ball estimates.
The site also offers some statistics about technological advances at Prudhoe Bay. They don’t mention recalculating the economically recoverable estimate with an adjustment for the change of the real value of the dollar versus inflation. If they had done so, I suspect that they would have made a point of mentioning it. Therefore, while I suspect that their upward revisions of the estimates of the technically recoverable oil are warranted, I’m not as sure about the necessity of an upward revision of the economicall recoverable oil.
The economically recoverable numbers are the most relevant because they are the ones most indicative of the the amount of oil that actually will be extracted for human consumption.
The ANWR.org site suggests that 18 billion barrels of economically recoverable oil is an estimate that better reflects changes in current technology.
We used 7.2 billion barrels of oil in 2000, (19.7 million barrels of petroleum/day x 365 days/year => 7190 million ) according to US Dept. of Energy.
This rate of consumption is expected to continue to rise.
18 billion barrels divided by 7.2 billion barrels yields a supply that will last about two and
one half years at levels of consumption equal to our use in 2000. Of course as our
consumption rates increase, the ANWR supply wil decrease more quickly.
It’s estimated by ANWR.org myth-buster flyer that it will take 7 - 10 years or more “before the first oil reached American consumers”. The same source also says that the rate of extraction of ANWR oil is set by the maximum capacity of TAPS, (Trans-Alaska Pipeline System), at a mere 2 million barrels a day. The oil from Prudhoe Bay uses this same pipeline so the amount of oil that actally could be moved daily from the ANWR would be less than these 2 million a day-(maybe 1 million a day?).
After ten years of developing the ANWR, say 2014, we could get enough oil from it each day to supply a little over an hours worth of our usage at 2000’s levels.
In addition to the initial ten years to develop the ANWR sites, and using an estimate of 2 million barrels a day, (the ENTIRE capacity of TAPS), coming from the ANWR it would take a total of about 35 years to extract about 2 years worth of oil. (If only half of TAPS capacity is used it could take up to sixty years.)
Estimates are that by 2020 we will be using 26.7 million barrels of petroleum per day. Come 2020, ANWR will have been producing for six years and be able to supply almost a whole hour(!) worth of our daily petroleum use.