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Title: System Of Transfer Testing
Author: W. K. Clark
Source: 1975 International School of Hydrocarbon Measurement
Year Published: 1975
Abstract: The need for an accurate, reliable, and portable field transfer testing system has resulted from the growth of the gas industry. The growth has brought about the des i r e for better methods of field testing meters. There a r e presently available three methods for field testing meters: 1. Low-Pressure Flow Prover 2. Critical Flow Prover 3. Transfer Prover The low-pressure flow prover and the critical flow prover involve the measurement of several variables which in turn may cause the compounding of e r r o r s before the final accuracy can be calculated. The transfer prover requires only the sensing of temperature and pressure differences between the prover and the meter under test. Results obtained from a transfer prover should be more accurate and repeatable and compare more favorably to the accepted standards of the bell and piston provers. Transfer proving was initially developed to provide an easier and more accurate field proving method. Because of the capacity capabilities of transfer provers (10, 000 cfh to 80, 000 cfh), transfer provers a r e utilized in meter shops where bell proving capacity is limited and allow for shop testing of the larger capacity meters.

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