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EFM technology proves to be reliable and accurate. S. Green. Pipeline Gas J., February 1995, 222(2), 27--30.

Telemetry-based electronic flow meters (EFM) are recommended for gas distribution technology. By late 1996 a major gas distributions company in Houston expects to have 18,000 meter stations converted to EFMs. The estimated investment cost is $100 million to control 21,000 miles of gathering systems and field compressor stations. Benefits derived from replacing conventional mechanical recorders with EFM technology are reviewed. EFMs installed in processing plants are used to monitor markets to which gas is transported, and to determine leaks by monitoring gas flows into and out of a system. Results show that telemetry-enhanced EFMs save time, provide accurate data, and are reliable over a wide range of operating conditions.

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