G - Physics – 01 – N
Patent
G - Physics
01
N
358/3
G01N 23/06 (2006.01) G01V 5/12 (2006.01)
Patent
CA 1188013
METHOD AND APPARATUS FOR ANALYZING WELL FLUIDS BY PHOTON IRRADIATION Abstract of the Disclosure In a method for analyzing a mixture containing water and a hydrocarbon, notably for determining the composition of the fluids produced in a petroleum well, the flux resulting from the interaction of incident photons with the mixture is measured on two distinct energy levels, at least one of these levels corresponding to a significant rate of absorption by a photoelectric effect. Advantageously, use is made of an X-ray generator (80) on a tool mandrel (60) on which are mounted two radiation receivers (82) and (84) placed at different respective distances from this generator (89) along the mandrel. The measurement makes it possible to determine a parameter characteristic of the photoelectric absorption capacity of the medium and its density, notably in order to deduce the composition of a ternary mixture, for example a mixture of petroleum and of water of unknown salinity. - 1 -
406775
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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