Greenhouse gas emissions from certain natural gas production activities are up to 86 percent lower than estimated by the Environmental Protection Agency (EPA), according to a study released today from URS Corp. and The LEVON Group. The study, sponsored by America's Natural Gas Alliance (ANGA) and the American Petroleum Institute (API), takes the most comprehensive look to date at the issue, analyzing data from nearly 20 percent of all U.S. natural gas-producing wells-a sample size more than 10 times larger than EPA's.
"The EPA has been upfront that its data is limited in scope. This study confirms that EPA's estimates on emissions from operations are vastly exaggerated," said Tom Amontree, Executive Vice President at America's Natural Gas Alliance. "As our nation strives to move toward a cleaner energy future, natural gas is an essential tool that is already resulting in substantial real-world progress. It is our hope that all stakeholders who aim for credible, science-based decision making and dialogue will take note of these findings and more fully consider the vast potential of this cleaner American energy source."
Specifically, the study found that methane emissions from natural gas operations such as liquids unloading (a technique used to remove water and other liquids from the wellbore to improve the flow of natural gas) are 86 percent lower than EPA estimated. In addition, the study shows that methane emissions from refractured wells (a technique used to prolong production of an existing gas-producing well) are 72 percent lower than EPA estimates. Overall, the study finds that greenhouse gas emissions from natural gas production are as much as 50 percent lower than figures used by EPA.View the rest of the article here.
View the report itself here.
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