Two-phase flow component fraction measurement using gamma-ray attenuation technique

Sharifzadeh, Mohsen; Khalafi, H.; Afarideh, H.; Noori, Ehsanallah

doi:10.1007/s41365-017-0237-4

Cited by 2 publications

(1 citation statement)

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“…So, in addition to the central area of the scintillation detector, the surface flux crossing the peripheral area contributes to the recorded count rates and makes a main source of noise. Increasing the source to the detector distance as well as using detectors with smaller dimensions can help to reduce this noise factor [24].…”

Section: Jinst 13 P02012mentioning

confidence: 99%

An experimental evaluation of the effect of homogenization quality as a preconditioning on oil-water two-phase volume fraction measurement accuracy using gamma-ray attenuation technique

2018

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The problem of how to accurately measure multiphase flow in the oil/gas industry remains as an important issue since the early 80 s. Meanwhile, oil-water two-phase flow rate measurement has been regarded as an important issue. Gamma-ray attenuation is one of the most commonly used methods for phase fraction measurement which is entirely dependent on the flow regime variations. The peripheral strategy applied for removing the regime dependency problem, is using a homogenization system as a preconditioning tool, as this research work demonstrates. Here, at first, TPFHL as a two-phase flow homogenizer loop has been introduced and verified by a quantitative assessment. In the wake of this procedure, SEMPF as a static-equivalent multiphase flow with an additional capability for preparing a uniform mixture has been explained. The proposed idea in this system was verified by Monte Carlo simulations. Finally, the different water-gas oil two-phase volume fractions fed to the homogenizer loop and injected into the static-equivalent system. A comparison between performance of these two systems by using gamma-ray attenuation technique, showed not only an extra ability to prepare a homogenized mixture but a remarkably increased measurement accuracy for the static-equivalent system. K: Inspection with gamma rays; Radiation monitoring 1Corresponding author.

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Section: Jinst 13 P02012mentioning

confidence: 99%