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Recent Company News

The Upstream Production Measurement Forum 2017 will be offering Professional Certificates for attending the Forum. Read More
Applications are being accepted for paper publications and presentations for the 3rd annual Upstream Production Measurement Forum held on February 22 – 23, 2017.Read More
The Letton Hall Group, a leader in oil and gas measurement technology, is expanding its services and adding technical staff. Service sector expansions such as this that coincide with oil company contractions are creating a balance shift of industry know-how from producers to service providers. Read More
The Letton Hall Group, a leader in oil and gas flow measurement technology, has appointed Betty J. Winters as Executive Assistant to head the fast paced office of the oilfield services firm.Read More

Amin Amin, Chief Technology Officer at the Letton Hall Group, was awarded the Best Paper Award for the 2015 Upstream Production Measurement (UPM) Forum.Read More
Over eighty technologists with an interest in oil and gas measurement in the upstream area gathered on February 24th and 25th 2016 in Houston at the Upstream Production Measurement (UPM) Forum to hear and discuss the latest in application of measurement techniques to their problems.Read More
The Letton Hall Group, a leader in oil and gas measurement technology, is expanding its services and adding technical staff. Service sector expansions such as this that coincide with oil company contractions are creating a balance shift of industry know-how from producers to service providers. Read More
Field measurement training services at the Letton Hall Group are getting an upgrade with the addition of gas industry expert, Dennis Tierney.Read More
The Letton Hall Group, a leader in oil and gas flow measurement technology, and Intertek, a leading quality solutions provider to industries worldwide, have agreed to a business partnership providing advanced measurement and allocation services to the oil and gas industry. Read More
The Letton Hall Group is extremely pleased to announce the addition of A.M. (Lex) Scheers to its ranks. Lex is known globally as one of the consummate experts in the field of oil, gas multiphase, and wet gas flow measurement and hydrocarbon allocation. Read More
RPSEA selects Letton Hall Group in first round of projects to award $9.6M for the Ultra-Deepwater Program. Read More
In 2009, Letton Hall Group was contracted to develop the first version of an industry-sanctioned gas measurement training program for the natural gas industry. Read More

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USM Recalibration Frequency

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The Letton-Hall Group was asked to study the stability of gas ultrasonic flowmeters and recommend how often they should be removed from their field installation and recalibrated at a certificated flow facility. We also studied the effect of replacing ultrasonic transducers and the meter's electronics on the need for recalibration.

Contact Information

James HallName:
James Hall
Contact:
Mobile: +1-832-725-6776
hall@lettonhall.com