Semi-permeable electrolytic cell and method for surveying buried

Details Semi-permeable electrolytic cell and method for surveying buried Semi-permeable electrolytic cell and method for surveying buried

1980-06-09

1983-06-14

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

Using electrode arrays, circuits, structure, or supports

36 1, 324 711, 324 72, 324425, G01V 315, G01R 3102, G01N 2700

Patent

active

043885942

ABSTRACT:
An apparatus and method of conducting continuous or closely spaced buried structure-to-soil electrical surveys uses a soil contact cell adapted to be worn on the bottom of the walking field boots of a surveyor walking over the right-of-way of the buried structure such as an underground pipeline. The cell is in the form of a sandal which may readily be secured to and removed from the bottom of the boot. The cell includes an impervious upper plate and a pervious lower ground contacting flexible sole plate forming with the upper plate a flat chamber which may be filled with a loose silica sand fill or sponge material. A copper rod or strap is imbedded in the material and electrically connected through a meter carried by the surveyor to the structure through a length of economically disposable wire. The surveyor carries a supply of conductive liquid such as a copper sulfate solution which is fed into the chamber and through the porous sole plate to the ground to ensure good electrical contact as the surveyor walks the right-of-way.

REFERENCES:
patent: 1163469 (1915-12-01), Schlumberger
patent: 2256742 (1941-09-01), Jakosky
patent: 2400678 (1946-05-01), Archie
patent: 2974276 (1961-03-01), Davis
patent: 3735249 (1973-05-01), Stoll
patent: 4151458 (1979-04-01), Seager

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