| 摘要 |
A method and apparatus is disclosed for identifying changes in composition in a flow containing an oil/hydrocarbon gas fluid mixture, including a measurement of the respective holdups of any two of the gas, oil and water; and measurements to determine attenuation or scattering of high energy photons passing through the mixture; and combining holdup measurements and attenuation or scattering measurements to detect the presence or concentration of a hetero-component in the mixture.
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