X-ray or gamma ray systems or devices – Specific application – Absorption
Reexamination Certificate
2011-03-08
2011-03-08
Song, Hoon (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Absorption
C378S156000, C250S256000, C250S264000, C250S265000
Reexamination Certificate
active
07903782
ABSTRACT:
An apparatus for determining fractional amounts of each phase of a multiple phase fluid includes an x-ray generator includes a sample chamber is configured to admit therein a sample of fluid for analysis. The chamber is disposed in a radiation path output from the generator. A filter is disposed in the radiation path between the output of the generator and the radiation input of the sample chamber. A first radiation detector is positioned in a radiation path from the sample chamber after radiation has passed through the sample chamber. A thickness and a material of the filter are selected to optimize resolution of radiation detected by the first detector to changes in volume fraction of oil and water in the fluid sample when a gas fraction thereof is between about 90 to 100 percent.
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Groves Joel L.
Vallee Etienne
Wraight Peter
Sanei Mona M
Schlumberger Technology Corporation
Song Hoon
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