Haynesville

Mon, 2013-04-29 11:44Sharon Kelly
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Faster Drilling, Diminishing Returns in Shale Plays Nationwide?

Today's shale gas boom has brought a surge of drilling across the US, driving natural gas prices to historic lows over the past couple of years. But, according to David Hughes, geoscientist and fellow at the Post Carbon Institute, in the future, we can expect at least the same frenzied rate of drilling – but less and less oil and gas from each well on average.
 
“It’s been a game changer,” Mr. Hughes said of the shale gas boom at a talk last week in Maryland, “but I would say a temporary game changer.”
 
After crunching data from hundreds of thousands of oil and gas wells across the U.S., Mr. Hughes found that just five of the country's 30 best shale plays have been responsible for 80 percent of domestic shale gas production: the Haynesville shale in Louisiana; the Barnett shale in Texas's Fort Worth region; the Marcellus shale, which underlies New York, Pennsylvania, and parts of Maryland and West Virginia; the Fayetteville shale in Arkansas; and Oklahoma's Woodford shale. When it comes to natural gas, all of the other plays pale in comparison to these five regions.
 
But the data reveals that in four of these top five shale-gas plays, drillers have been less and less successful in hitting the next big strike-it-rich well. Average well productivity in four of the five best American shale plays has been falling since 2010, Hughes found. The exception, at least for now, is the Marcellus.
 
Thu, 2012-09-20 07:00Brendan DeMelle
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Deepening Doubts About Fracked Shale Gas Wells' Long Term Prospects

This month, the Pennsylvania Department of Environmental Protection released its bi-annual report on how much natural gas has been produced in the Marcellus Shale, a rock formation which stretches underneath much of Appalachia. Investors were shocked because the production numbers seemed far lower than expected.  Watched closely by market and energy analysts, the report sparked a heated debate about the oil and gas industry's excited rhetoric about fracked shale gas as the cure-all to many of America's energy and jobs needs.

But the story quickly got complicated. The report was released despite lacking data from the state’s second largest driller, Chesapeake Energy, and state regulators never flagged the omission. The amount of gas flowing out of Pennsylvania had actually climbed dramatically.

It was a major flaw, and suddenly the searing spotlight of the media honed in on questions about whether regulators were keeping accurate track of how much gas the wells in their state really produce. How could they overlook such a massive error? Can the public be sure that the updated tally gives an accurate picture of how these wells are performing?

If regulators make mistakes in tracking energy production in their state, how reliable is the companion to that report, which tracks the toxic waste produced by these same companies?

Those are all valid questions that need honest answers. But the most important questions raised in the controversy were largely overlooked.

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