Method using a pluraliyt of electrode, including a reference ele

Details Method using a pluraliyt of electrode, including a reference ele Method using a pluraliyt of electrode, including a reference ele

1990-09-11

1992-04-07

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

Using electrode arrays, circuits, structure, or supports

346 33WL, 364422, G01V 326, G01V 334

Patent

active

051031787

ABSTRACT:
An apparatus and method for obtaining a spontaneous potential curve, which pparatus is comprised of: (a) an elongated body: (b) a series of vertically spaced electrodes for measuring electrical potential, wherein one of the electrodes is a reference electrode; and (c) a means for recording or transmitting the various electrical potentials to the surface. Preferably the apparatus is part of drillstring for taking measurements while drilling.

REFERENCES:
patent: 2210795 (1940-08-01), Cloud
patent: 2230999 (1941-02-01), Doll
patent: 2249769 (1941-07-01), Leonardon
patent: 2415364 (1947-02-01), Mounce
patent: 2694179 (1954-11-01), Walstrom
patent: 3268801 (1966-08-01), Clements et al.
patent: 3715653 (1973-02-01), Sauter
patent: 4451790 (1984-05-01), Bravenec
patent: 4523148 (1985-06-01), Maciejewski

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