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Archive for the ‘natural gas’ Category

This New York Times article and video discuss the dispute on the island of Vinalhaven, Maine, about the noise associated with the island’s three wind turbines.

Comments:

-Locating wind projects offshore minimizes noise and visual issues, but increases costs and operational complexity.  There are always trade-offs.

-When all environmental impacts are considered, offshore natural gas is tough to beat: minimal visual impacts, none of the freshwater issues that are complicating shale gas development, few land use issues, little or no spill risk (depending how dry the gas is).  The trade-off is CO2 emissions. While combustion of natural gas emits 30% and 45% less CO2 than oil and coal respectively, the CO2 emissions are still significant.

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We strongly caution natural gas power plants and other industries against the venting of high-pressure natural gas in or near work sites. This practice, although common, is inherently unsafe.

The U.S. Chemical Safety Board has issued an update on their investigation of the tragic explosion that killed six workers at a gas-fired power plant in Middletown, Connecticut.  The update includes important information for all facilities that handle natural gas and engage in gas purging.

This accident occurred during a planned work activity to clean debris from natural gas pipes at the plant. To remove the debris, workers used natural gas at a high pressure of approximately 650 pounds per square inch. The high velocity of the natural gas flow was intended to remove any debris in the new piping. At pre-determined locations, this gas was vented to the atmosphere through open pipe ends which were located less than 20 feet off the ground. These vents were adjacent to the main power generation building and along the south wall. The open pipe ends are visible here in the photographs.

gas venting from open pipe

In their investigation report, CSB will likely recommend alternative cleaning practices.

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Those who don’t think natural gas is a renewable energy resource haven’t paid much attention to biomethane.  Biomethane can be collected from sewage sludge, landfills, grass, food waste, and agricultural waste.  Biomethane collection has 2 major benefits: (1) greenhouse gases emissions are prevented and (2) relatively clean energy is provided.  See this great article in Renewable Energy World.

Kudos to the city of Olso, which plans to fuel buses with biomethane.  The Oslo program has generated some clever headlines:

Flush Hour: Oslo to Run Buses on Biomethane

Norway or the Highway: Poo Powers Oslo Buses

The city’s two sewage plants have enough biomethane to provide fuel for the 80 buses, and if the trial is successful Oslo city council plans to convert all 400 of the public buses to run on biogas.

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In 1973, while a graduate student at Penn State, I wrote a paper entitled “The Use of Natural Gas in Improving Air Quality.”  My professor, Richard Gordon, a terrific economist who greatly influenced my thinking about energy, liked the paper but thought I was too optimistic about the availability of natural gas.  The sense at the time was that natural gas was a premium energy source in short supply.

Fast forward to 2010.  Another Penn State professor, Terry Englander, estimates recoverable natural gas resources of 500 tcf for the Marcellus shale alone.  Annual gas consumption for the entire US is only about 23 tcf.  The whole world consumed about 113 tcf in 2008.

Dan Yergin is calling it the natural gas revolution.   Boone Pickens has called the US the “Saudi Arabia of natural gas.”  In addition to the shale gas, we have huge Alaskan gas reserves awaiting a pipeline (the economic viability of which may be threatened by the major discoveries in the lower 48). Prospects for ultra-deep gas in the Gulf of Mexico are also looking brighter in the wake of McMoRans major deep gas discovery.  There is excellent natural gas potential in the eastern Gulf near major gas markets, and at least one Atlantic state (Virginia) has expressed interest in renewed exploration in the Atlantic.

Given the dearth of good economic news, why isn’t more attention being given to this natural gas bonanza?  Boone Pickens and others are doing their part, but there should be a national dialogue on how we can use these resources to improve our economy, energy security, and the environment.

How about a parade down Constitution Avenue to celebrate our good fortune?

Celebrating the Natural Gas Revolution?

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