Method of positioning apparatuses for measuring soil conditions

Measuring and testing – Borehole or drilling – Downhole test

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E21B 4900

Patent

active

039629155

ABSTRACT:
Apparatuses for measuring soil conditions are positioned using a thin probe tube of substantially constant cross-section inserted in the ground by self-drilling in such manner as to maintain the soil outside the probe in continual contact with said probe throughout the period of measuring and measuring the various physical characteristics of the soil by means of apparatuses associated with the said probe, the drilling waste being removed upwardly of the measuring zone.

REFERENCES:
patent: 3500678 (1970-03-01), Vis
patent: 3774718 (1973-11-01), Igarashi et al.

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