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Monday
Sep192011

Geologists Sharply Cut Estimate of Shale Gas

From The New York Times
By  
Published: August 24, 2011

Federal geologists published new estimates this week for the amount of natural gas that exists in a giant rock formation known as the Marcellus Shale, which stretches from New York to Virginia.

The shale formation has about 84 trillion cubic feet of undiscovered, technically recoverable natural gas, according to the report from the United States Geological Survey. This is drastically lower than the 410 trillion cubic feet that was published earlier this year by the federal Energy Information Administration.

As a result, the Energy Information Administration, which is responsible for quantifying oil and gas supplies, has said it will slash its official estimate for the Marcellus Shale by nearly 80 percent, a move that is likely to generate new questions about how the agency calculates its estimates and why it was so far off in its projections.

The decision by the agency to lower the estimates comes amid growing scrutiny from Congress about how the administration calculates its numbers and why it depends on outside and industry-tied consultants to produce some of its reports.

Accurate estimates are important for lawmakers who are making long-term decisions about subsidies and policies relating to the nation’s energy mix. They are also essential for landowners and investors as they decide where and whether to lease their land to drillers or invest in gas companies. Some market analysts say that the large differences between public estimates for natural gas resources provide further evidence that there may be more risk and uncertainty involved with gas drilling than many investors realize.

FULL ARTICLE HERE: http://www.nytimes.com/2011/08/25/us/25gas.html?_r=4&ref=todayspaper

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