MEASUREMENT OF HYDRAULIC CONDUCTIVITY USING A RADIOACTIVE OR ACTIVATABLE TRACER

World Intellectual Property Organization Patent

APP PUB NO WO-2007109860-A1
SERIAL NO

PCTAU2007000405

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Abstract

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A method of determining the distance, from a reference point, of a tracer emitting radiation comprising a first component emitted at a first known energy level and a second component emitted at a second known energy level, the intensity of a penetrating portion of the first component that penetrates a substance between the tracer and the reference point and the intensity of a penetrating portion of the second component of the radiation that penetrates the substance being a function of the rate of gamma radiation emission of the tracer as well as of the distance of the tracer from the reference point, the method comprising: a) measuring the intensity of the first penetrating portion and the intensity of the second penetrating portion; b) determining the ratio of the intensity of the first penetrating portion to the intensity of the second penetrating portion; and c) determining the distance of the tracer from the reference point.

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Patent Owner(s)

Patent OwnerAddress
AUSTRALIAN NUCLEAR SCIENCE TECAUNEW SOUTH WALES AUSTRALIA

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Inventor(s)

Inventor Name Address
STEPANYANTS YURY A 57B OGILVY STREET PEAKHURST NSW 2210
WARING CHRISTOPHER LESLIE 102 KOLOONA AVENUE MT KEIRA NEW SOUTH WALES 2500 MT KEIRA NEW SOUTH WALES 2500 2500
AIREY PETER LEWIS 39 RILEY STREET OATLEY NSW 2223

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