NDLI: Methane Leak and Loss Audits of Natural Gas Fueled Compressor

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Johnson, Derek Covington, April
Copyright Year	2014
Abstract	Natural gas reserves within the United States continue to rise. According to the Energy Information Administration, dry natural gas reserves increased by ten percent from 2010 to 2011, while wet natural gas reserves increased by 38% in 2011. Natural gas consumption also increased from 24.09 trillion cubic feet (TCF) to 24.48 TCF over the same period. As the natural gas supply, demand, and industry continue to grow methane losses across the supply chain will be inevitable. Since methane is a potent greenhouse gas, many studies are currently analyzing the loss of methane from the wells to the end user. As natural gas transmission systems grow there must be an increase in natural gas compressor and storage facilities. Currently, there is not a detailed inventory describing the emissions associated with natural gas compressor system engines in terms of the emissions resulting from engine unit losses and leaks. Researchers from West Virginia University’s Center for Alternative Fuels, Engines, and Emissions (CAFEE) recently conducted methane leak and loss audits at five compressor stations with a special focus placed on the engine and compressor units. These audits focused on identifying and quantifying the leaks and losses associated with the engines and compressor units of a typically operating site. A micro dilution high volume sampling system was used in conjunction with a portable methane analyzer to quantify leaks and losses. Bag samples of exhaust gas and engine operating parameters were used to calculate the methane flow rate from the reciprocating engines and turbines used to operate compressors at these sites. Leaks are defined as unintended methane releases from components not designed to emit methane. Losses are defined as methane releases that are known to exist or exist by design.
Sponsorship	Internal Combustion Engine Division
File Format	PDF
ISBN	9780791846162
DOI	10.1115/ICEF2014-5626
Volume Number	Volume 1: Large Bore Engines; Fuels; Advanced Combustion; Emissions Control Systems
Conference Proceedings	ASME 2014 Internal Combustion Engine Division Fall Technical Conference
Language	English
Publisher Date	2014-10-19
Publisher Place	Columbus, Indiana, USA
Access Restriction	Subscribed
Subject Keyword	Leakage Methane Supply chains Compressors Fuels Flow (dynamics) Piston engines Engines Emissions Exhaust systems Design Storage Wells Natural gas Turbines
Content Type	Text
Resource Type	Article

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