Boring or penetrating the earth – With signaling – indicating – testing or measuring – Indicating – testing or measuring a condition of the formation
Patent
1987-11-13
1989-05-30
Kisliuk, Bruce M.
Boring or penetrating the earth
With signaling, indicating, testing or measuring
Indicating, testing or measuring a condition of the formation
175 17, 175 59, 175325, 175393, 166250, 166265, 166290, 366102, 366140, 366147, 366348, 405128, 405263, 405266, 405131, E21B 4900, E21B 47086
Patent
active
048341940
ABSTRACT:
The invention relates to methods and apparatus for agitating and heating a sub-surface volume of soil to liberate volatile compositions therefrom which are transmitted through a special flow passage created through the soil to the soil surface where they are analysed to determine the presence or absence of selected contaminants. A low pressure sink is provided to ensure proper flow of volatiles rapidly to the surface and to prevent contamination of adjacent soil blocks or cylinders during treatment.
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