Aspect Imaging Ltd.

Aspect Ai Ltd.

Peter Bendel

Boaz Shapira

A method of incorporating the influence of diffusion into the CPMG-based T2 measurement for one or more of the following: water cut measurement; performing inline measurements of flow rate; density; and rheology of a flowing fluid. The method includes conducting a 'standard T1/T2 experiment' at least twice by providing one scan without a field gradient during the CMPG echo train. Then, providing a second scan with the application of a gradient, where in the second experiment the measured T2 (T2) is affected solely by water diffusion, thus shifting cross peaks which represent water on the first T1/T2 spectrum to lower T2 values on the second spectrum.

Accurate water cut measurement

Method of determining a velocity profile of a fluid flowing through a conduit, the method including applying a saturation pulse on spins of magnetic field-sensitive nuclei in the fluid, measuring a signal of the fluid to determine position of the magnetic field-sensitive nuclei, the measurement carried out at a recovery time 'TR' and at a distance 'd' within the conduit, determining within the conduit a radial distance &#x2018;r&#x2019; characterized by a local minimum in the measured signal, wherein the radial distance &#x2018;r&#x2019; is measured from the center of the conduit, and determining a velocity profile of the fluid at the radial distance, based on the magnetic field-sensitive nuclei.

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Rishon Lezion, Israel

Peter Bendel