Radiant energy – Invisible radiant energy responsive electric signalling – With means to inspect passive solid objects
Patent
1977-05-19
1979-03-27
Smith, Alfred E.
Radiant energy
Invisible radiant energy responsive electric signalling
With means to inspect passive solid objects
250253, G01N 2300, G01V 500
Patent
active
041467914
ABSTRACT:
A measuring device to be conveyed through an oil or gas pipeline at the bottom of the sea is provided for measuring the radioactivity of the surroundings along the pipeline. Thus, the support and/or the covering of the pipeline may be tested, the sea bottom sediments having an appreciably higher gamma radiation source strength than the sea water and the oil or gas which flow through the pipeline.
REFERENCES:
patent: 3064127 (1962-11-01), Green et al.
Dahl John B.
Schatvet Johnny
Skarsvag Kristian
Howell Janice A.
Institutt for Atomenergi
Smith Alfred E.
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