Iran's natural gas reserves come to 940 trillion cubic feet--15% of the world's known supply.
Meanwhile, its projected annual natural-gas production rose to 1.05 trillion cubic feet from 970 billion.
The United States boasts an estimated 2.2 trillion cubic feet of technically recoverable natural gas reserves.
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Shtokman, discovered in 1988, is a gigantic field, estimated to hold 130 trillion cubic feet of gas.
In 2002, the U.S. Geological Service pegged technically recoverable Marcellus shale reserves at 1.9 trillion cubic feet.
The US Geological Survey has pegged Marcellus at an estimated recoverable total of 84 trillion cubic feet (TCF).
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Marathon's upstream chief David Roberts figures that 20 trillion cubic feet of gas lie within 100 miles of Bioko.
They total over 8 TCF (trillion cubic feet) of annual gas export capacity.
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The Charleston deposit mentioned in the article has an expected potential of 1, 300 trillion cubic feet of methane gas.
Thus, this drilling for liquids helped U.S. gas production hit an all-time record in 2010 of 26.8 trillion cubic feet.
By 2020 Europe could need an additional 11 trillion cubic feet a year of gas, more than double current imports.
Mexico has enormous reserves of gas, probably as much as 63 trillion cubic feet (roughly three years of U.S. consumption).
Cuadrilla Resources has said that it has discovered 200 trillion cubic feet of shale gas from just two exploratory wells.
Nationwide, since 2007 shale gas production has soared from 1.3 trillion cubic feet to more than 4 tcf a year.
The lands hold proved natural gas reserves of 3.4 trillion cubic feet and total reserve potential of 35 trillion cubic feet.
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Shell started the rush with its plans to exploit the estimated 3 trillion cubic feet of gas in the Prelude field.
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Over the years it has given up roughly 740 million barrels of oil and 1.4 trillion cubic feet of natural gas.
In a BBC Radio Lancashire debate, he reckoned it could extract 10% of the 200 trillion cubic feet of gas there.
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The U.S. Energy Information Administration estimates that the United States has approximately 318 trillion cubic feet of extraction-ready natural gas reserves.
Noble had expected to find three trillion cubic feet at the most.
Recoverable gas reserves have been estimated anywhere between 35-65 trillion cubic feet.
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And Americans consume roughly 23 trillion cubic feet each and every year.
Today, the updated USGS estimate for Marcellus is 84 trillion cubic feet.
The Marcellus Region that stretches down the east coast is estimated to hold as much as 500 trillion cubic feet of shale gas.
The United States is currently producing more natural gas than at any time in history, on track for 27 trillion cubic feet this year.
Undeveloped fields in the Outer Continental Shelf alone contain an estimated 86 billion barrels of oil and 420 trillion cubic feet of natural gas.
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Chesapeake has lease agreements for drilling at shale gas deposits in the Utica basin that hold around 15.7 trillion cubic feet of natural gas.
The Energy Department now reports that with the current technology that the United States has access to 1, 744 trillion cubic feet of natural gas.
The U.S. Geological Survey estimates more than 90 billion barrels of oil and nearly 1, 700 trillion cubic feet of natural gas may be recoverable.
Israeli natural gas consumption currently equals roughly 200 billion cubic feet per year, measured against the aforementioned 26 trillion cubic feet of proven resource.
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