Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Mechanical measurement system
Reexamination Certificate
2006-08-29
2006-08-29
Nghiem, Michael (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Mechanical measurement system
Reexamination Certificate
active
07099780
ABSTRACT:
The invention concerns a method for calculating the relative volumetric flow-rates of at least one of the phases of a multiphase effluent flowing in a well. Firstly, the local volumetric fractions and/or velocities of the phases across a section of the wall at a certain depth is acquired. Then, the local volumetric fraction and/or velocity measurements is/are corrected in order to make them consistent with each other and/or with the effluent flow conditions. Subsequently, selection of a suitable flow model mathematically representing the effluent flow is selected. Then, The local volumetric fraction measurements and/or the local velocity measurements are interpolated by the selected flow model in order to obtain a volumetric fraction profile and/or a velocity profile for at least one phase of the effluent across the section of the well at the depth. Finally, the relative volumetric flow-rates of the at least one phase are calculated by integration of the volumetric fraction and/or velocity profiles over the section of the well at the depth.
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Faur Marian
Marcus Remi
Echols Brigitte L.
Khuu Cindy D.
Nghiem Michael
Schlumberger Technology Corporation
Segura Victor H.
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