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Accurate Natural Gas Flow Measurement Without Complex Instrumentation

Accurate Natural Gas Flow Measurement Without Complex Instrumentation

Accurate Natural Gas Flow Measurement Without Complex Instrumentation

Emerson
Pages 3 Pages

A gas transmission operator improved measurement accuracy at a compressor station where conventional methods using fixed compressibility factors caused significant errors. By implementing a clamp-on ultrasonic flow measurement system with integrated gas property calculation, the solution enabled real-time determination of flow, compressibility, and gas composition without a chromatograph. Dual-channel measurement compensated for flow disturbances, while non-intrusive installation avoided pipe modifications. The result was precise volume balancing, improved compressor control, and reliable operation across varying gas compositions and operating conditions.

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