Simultaneous Measuring Method for Both Volumetric Flow Rates of Air-Water Mixture Using a Turbine Flowmeter

[+] Author and Article Information
K. Minemura

School of Informatics and Sciences, Nagoya University, Nagoya 464-01, Japan

K. Egashira, K. Ihara

Technical Research Center, Japan National Oil Corporation, Mihama-ku, Chiba 261, Japan

H. Furuta, K. Yamamoto

Toshiba Co. Ltd., Yokohama 230, Japan

J. Energy Resour. Technol 118(1), 29-35 (Mar 01, 1996) (7 pages) doi:10.1115/1.2792689 History: Received May 11, 1995; Revised December 04, 1995; Online December 05, 2007


A turbine flowmeter is employed in this study in connection with offshore oil field development, in order to measure simultaneously both the volumetric flow rates of air-water two-phase mixture. Though a conventional turbine flowmeter is generally used to measure the single-phase volumetric flow rate by obtaining the rotational rotor speed, the method proposed additionally reads the pressure drop across the meter. After the pressure drop and rotor speed measured are correlated as functions of the volumetric flow ratio of the air to the whole fluid and the total volumetric flow rate, both the flow rates are iteratively evaluated with the functions on the premise that the liquid density is known. The evaluated flow rates are confirmed to have adequate accuracy, and thus the applicability of the method to oil fields.

Copyright © 1996 by The American Society of Mechanical Engineers
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