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STUDY: Gas boom projected to grow for decades in US

02.28.2013  |  HP News Services

Keywords: [shale gas] [natural gas] [study] [pipelines]

By RUSSELL GOLD

US natural-gas production will accelerate over the next three decades, new research indicates, providing the strongest evidence yet that the energy boom remaking America will last for a generation.

The most exhaustive study to date of a key natural-gas field in Texas, combined with related research under way elsewhere, shows that US shale-rock formations will provide a growing source of moderately priced natural gas through 2040, and decline only slowly after that. A report on the Texas field, to be released Thursday, was reviewed by The Wall Street Journal.

The research provides substantial evidence that there are large quantities of gas available that can be drilled profitably at a market price of $4 per million British thermal units, a relatively small increase from the current price of about $3.43.

The study, funded by the nonpartisan Alfred P. Sloan Foundation and performed by the University of Texas, examined 15,000 wells drilled in the Barnett Shale formation in northern Texas, mostly over the past decade. It is among the first to examine the geology and economics of shale drilling, a relatively recent development made possible by hydraulic fracturing, or fracking, in which a mixture of water, sand and chemicals is pumped at high pressure into rocks to release gas.

Looking at data from actual wells rather than relying on estimates and extrapolations, the study broadly confirms conclusions by the energy industry and the US government, which in December forecast increasing gas production.

"We are looking at multi, multi decades of growth," said Scott Tinker, director of the Bureau of Economic Geology at the university and a leader of the study.

The shale-gas boom has led to a reorientation of the US energy economy. This has led to a steep decline in coal consumption for electric generation and prompted companies to announce or consider multibillion-dollar investments to export gas and build chemical, steel and fertilizer plants that will consume enormous quantities of gas.

If these investments go forward, but gas production were to slip, higher prices for the fuel -- which now accounts for 30% of electricity production and heats half of US homes -- are likely.

Art Berman, a petroleum geologist and consultant who has been a leading critic of what he says are overly optimistic projections of shale production, said the research "is probably the most comprehensive study of the Barnett shale that will ever be done." But he said it bolsters his view that only a quarter of Barnett wells generate an economic return. The question for the industry, he said, is, "why didn't they identify the sweet spots initially, before spending $40 billion on land and wells?"

The study does show that many of the wells drilled in the Barnett have been poor performers. And while the gas-bearing rock covers 8,000 square miles in and around Fort Worth, Texas, the study suggests it can be economically developed in an area only half that size. Some of the energy companies that spent enormous sums to lease thousands of acres in far-flung parts of the Barnett may be sitting on acreage of little value.

Mr. Tinker agrees that the study shows the Barnett is highly variable, with some areas producing enough gas to make the wells profitable and other areas generating duds.

Even so, the study concludes that 44 trillion cubic feet of natural gas will be recovered from the Barnett--more than three times what has been produced so far and about two year's worth of US consumption at current rates.

The university also is examining shale formations in Pennsylvania, Louisiana and Arkansas, work that has led investigators to conclude that US natural gas production won't plateau until 2040. Reports on these are expected to be released next year.

One reason there has been a dispute over shale production is that much of the research, even inside universities, has been funded by groups with either pro- or anti- energy-development agendas, with many of the latter having strong views about the environmental impact of fracking on the air and groundwater.

The University of Texas study was funded by the Sloan Foundation of New York, which focuses on science and technology research. The co-lead investigator, Mr. Tinker, is paid to serve on the technical advisory boards of BP and two smaller energy companies. He also receives speaking fees a few times a year for appearances before industry groups and private companies.

The Bureau of Economic Geology receives research funding from government, industry and the university. The other lead investigator, Svetlana Ikonnikova, didn't disclose any potential conflicts to the university.

The Sloan Foundation said it looked into whether the researchers were unduly influenced and was satisfied that "potential conflicts of interest or sources of bias have not influenced the research."

Scott Anderson, who researches shale development for the Environmental Defense Fund, which is working on lowering the environmental impact of gas drilling, reviewed some of the preliminary results. He praised the report as "robust" and "sophisticated."

To get at all this gas will require tens of thousands of new wells, spread throughout rural and some urban parts of the country. Even in the Barnett formation, which has been drilled intensively for a decade, there still may be room for 13,000 more wells, said Mr. Tinker.

The giant Marcellus Shale in Pennsylvania and neighboring states likely contains enough gas to support the drilling of tens of thousands more wells. This likely will heighten growing concerns about fracking, and calls for increased government oversight of the practice.

"There are health risks that we don't have our arms around and that's a problem, " said Paul Gallay, president of Riverkeeper, a New York state environmental group critical of fracking. "We're out ahead of our science and we need to be concerned about that."


Dow Jones Newswires



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sridhar
03.05.2013

wait and watch. Shale gas is highly doubtful source of energy.

David Chacon Sr.
03.05.2013

What is the best curiculum to study in order to combine my petroleum exerience to include LNG and natural gas. I want my career to truly be oil and gas.

Jagat Bandhu Sonar
03.05.2013

The contribution of the Shale Gas Development should not be limited only to US and shall be Transferred to Technology to the countries of the world where such fields do exist and can be developed. The fruits of Discovery should be shared to develop, may be at the cost of technology transfer.
Regards,
J B Sonar

Sathish Kumar
03.04.2013

The Gas production will accelerate not only in US, even all around the globe will accelerate. This is due to lowering the environmental impact issues are less compare to Oil.

We can see lots of LNG and LNG re-gasification plants projects are booming up all around the globe.

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