The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 15, 2002
Filed:
Dec. 22, 1998
Pierre Durando, Lyons, FR;
Yvon Castel, Croissy sur Seine, FR;
Daniel Ferre, Sautron, FR;
Jean Falcimaigne, Bois Colombes, FR;
Eric Vandenbroucke, Rueil-Malmaison, FR;
Institut Francais du Petrole, Ruiel Malmaison Cedex, FR;
Abstract
The invention si a multiphase flow metering method. The method includes a) determining at least two pressure values P and P for the different points A and B, and the value of the internal pressure Po of a device; and b) determining, from the values determined in step a) from the knowledge of the density of the gas phase and of the liquid phase and/or of the average value of the density of the multiphase medium in a slotted tube, from a relation connecting at least the following parameters: the level of the interface between the liquid phase and the gas phase and/or the volume ratio of the gas phase to the liquid phase (GLR) from pressure values P , P2, Po, the total flow rate value Qt of the flowing multiphase medium and/or the flow rate q , q of each of the phases.