USGS boosts assessment of recoverable natural gas in Marcellus Shale by 42x from 2002; now 84 trillion cubic feet
Green Car Congress
AUGUST 25, 2011
These gas estimates are significantly higher than the last USGS assessment of the Marcellus Shale in the Appalachian Basin in 2002, which estimated a mean of about 2 trillion cubic feet of gas (TCF) and 0.01 USGS is the only provider of publicly available estimates of undiscovered technically recoverable oil and gas resources of onshore lands and offshore state waters. Map of the Appalachian Basin Province showing the three Marcellus Shale assessment units.
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