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December 2, 2008 —
The Bush administration and the Bureau of Land Management are pushing relentlessly ahead with plans to fast-track Colorado’s long-dormant oil shale industry, but a study released this fall exposes one factor that could put a big damper on the boom: a serious lack of water.
The report, prepared for key government and private water stakeholders in the area, says that northwest Colorado rivers can supply enough water to meet the growing demands of the natural gas, coal and uranium industries, but unproven oil shale production technology would “require tremendous amounts of water” that might not be available.
The practical importance of water to the goal of extractling oil from shale is often overshadowed by the dream of tapping into a vast new source of energy. Studies show the Green River Formation of western Colorado contains between 1.5 trillion and 1.8 trillion barrels of recoverable oil trapped in sedimentary rock and sand. That’s more than four times the proven liquid oil reserves in all of Saudi Arabia.
But the process of extracting oil from rock require enormous amounts of water and power, as well as the refining and transportation infrastructure needed to get the oil to market. So far no oil company has been able to efficiently heat kerogen — the organic material that releases oil — in the sedimentary rock on a large enough scale for commercial production.
“A dominant finding is oil shale development, along with its associated power production, could require tremendous amounts of water, up to 378,300 acre-feet annually,” concludes the Energy Development Water Needs Assessment, which was funded by grants from the Colorado Department of Natural Resources and the Colorado Water Conservation Board.
An acre-foot is the amount of water needed to cover one acre a foot deep in water, or about 325,851 gallons. If the report’s estimate is accurate, oil shale development in Colorado would consume 123 billion gallons of water a year.
Proponents of oil shale production, which was just gearing up on Colorado’s western Slope in the early 1980s when the industry went bust, say technology has improved dramatically and requires much less water and power. But incoming Democrats such as newly elected Sen. Mark Udall have vowed to try to reinstitute a commercial leasing ban allowed to expire by Congress this fall.
“In a nutshell, the energy industry in Colorado will need a lot of water, but it’s manageable — with the exception of the speculative oil shale part of the equation,” said water consultant Caroline Bradford, the former director of the Eagle River Watershed Council, an organization devoted to preserving that tributary of the Colorado.
Besides water consumption issues, the report also concludes that the oil shale industry would also consume an inordinate amount of energy
“In either a moderate or high production scenario in the mid-term or long range, they’ll need to build 14 more huge (Craig-sized) power plants to produce the energy needed to produce the energy, but nobody knows if oil shale will really happen or not,” said Bradford, referring to the state’s largest power plant, Craig Station.
1 Comment on "Report concludes oil shale boom would put too much pressure on Northwest Colorado rivers"
Tracy — December 3, 2008
This report is a gross speculation of potential oil shale development, portraying scenarios that may or may not ever be realistic. In its largest scenario of 1.5 million barrels a day of production, it suggests water consumption numbers vastly larger than any ever suggested by reseaarch or companies doing oil shale R&D. On top of that, it assumes that when that production level occurs way down the road, that the entire industry will be 100%powered by conventional coal-fired electrical generation. It is absured to think that by then, we will still be relying on the source of electricity that uses the most water (next to nuclear), and also the source of power that generates the most CO2, which I'm sure will be more tightly regulated, if not prohibited.
The current high-end water consumption ratio used by the shalers is 3:1, which would only equate to 213,000 acre-ft/yr, compared to the study's inflated 378,300. But most companies are now saying numbers for their processes more in thr 1:1 to 2:1 range, which drops the more-likely potential demand of the industry at 1.5 Mln barrels oil a day to between 71,000 and 142,000 acre-ft/day. That's more than 62% less than suggested by the study.
