Analysis of fluids

Details Analysis of fluids Analysis of fluids

1986-10-22

1989-01-03

Fields, Carolyn E.

Radiant energy

Methods of determining oil presence, contamination or...

2503562, 250390R, 250270, G01N 23222, G01F 100

Patent

active

047959037

ABSTRACT:
A method and apparatus are provided for analysing a fluid, especially an oil/water/gas mixture of unknown composition flowing in a pipeline (10). The apparatus can operate remotely, for example on the sea bed. A gamma-ray source (12) and a diametrically arranged scintillator (20) enable the density to be determined; while a fast neutron source (14) and a diametrically arranged germanium gamma spectrometer (22) cooled by a cryo-cooler (26) enable the concentrations of the elements present to be determined. The apparatus also includes a pulsed fast neutron source and a gamma detector to determine the flow velocity of the fluid. The apparatus enables the weight fractions of oil, water and gas to be derived.

REFERENCES:
patent: 3781556 (1973-12-01), Taylor et al.
patent: 4057720 (1977-11-01), Paap et al.
patent: 4228353 (1980-10-01), Johnson
patent: 4230945 (1980-10-01), Meir et al.
patent: 4266132 (1981-05-01), Marshall, III

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