Validation of transient time method to calibrate oil flow meters in closed conduits using 123I as the radiotracer

• Autorzy: Gonçalves Eduardo R. , Brandão Luís E. B. , Braz Delson

Identyfikatory

DOI

10.2478/nuka-2021-0009

• Języki publikacji: EN

Abstrakty

EN

To assure the credibility of commodity transfer operations in the oil and gas industry, calibrated flow meters are used to quantify the movement of fluids in the pipelines. The purpose of this paper is to validate the transient time method (TTM) to calibrate oil flow meters installed in restricted areas, using the 123I-labelled oil as a radiotracer. Traditionally, as proposed by the standard ISO 2975-7:1977 [1] for experiments in an aqueous medium, the TTM is employed by positioning two detectors at separate locations. However, in industrial plants, it is not always possible to install detectors at the distances recommended by the ISO 2975-7. The method proposed in this paper uses four scintillator detectors separated one from each other by 0.30 m and three injections containing 5.0 ml of 123I-labelled oil. The experiments were carried out in an oil flow rig with a turbulent flow profile. The results have reached an uncertainty which is lower than 1.0%.

Słowa kluczowe

EN

calibration flow meters; oil flow rates; iodine-123; transient time method

• Wydawca: Institute of Nuclear Chemistry and Technology
• Czasopismo: Nukleonika
• Rocznik: 2021
• Tom: Vol. 66, No. 2
• Strony: 69--74
• Opis fizyczny: Bibliogr. 24 poz., rys.

Twórcy

autor

Gonçalves Eduardo R.

• Nuclear Engineering Program Federal University of Rio de Janeiro (COPPE/UFRJ) 2030 Horácio Macedo Ave. Building G, Room 206, University City Rio de Janeiro, RJ 21941-914, Brazil

autor

Brandão Luís E. B.

• Nuclear Engineering Institute National Nuclear Energy Commission P. O. Box 68550, Rio de Janeiro, RJ 21941-974, Brazil

autor

Braz Delson

• Nuclear Engineering Program Federal University of Rio de Janeiro (COPPE/UFRJ) 2030 Horácio Macedo Ave. Building G, Room 206, University City Rio de Janeiro, RJ 21941-914, Brazil

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).