Method to improve downhole instruments

Details Method to improve downhole instruments Method to improve downhole instruments

2006-12-05

2010-02-23

Neuder, William P (Department: 3672)

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Indicating, testing or measuring a condition of the formation

C702S011000, C324S303000

Reexamination Certificate

active

07665544

ABSTRACT:
Measurements are made using a plurality of measure electrodes on a pad of a logging tool. The bias and gain of the measurements prior to A/D conversion are altered using measurements made by an additional electrode that is ahead of the measure electrodes.

REFERENCES:
patent: 2930969 (1960-03-01), Baker
patent: 3760260 (1973-09-01), Schuster
patent: 4468623 (1984-08-01), Gianzero et al.
patent: 5502686 (1996-03-01), Dory et al.
patent: 5541889 (1996-07-01), Priest et al.
patent: 6173793 (2001-01-01), Thompson et al.
patent: 6247542 (2001-06-01), Kruspe et al.
patent: 6348796 (2002-02-01), Evans et al.
patent: 6600321 (2003-07-01), Evan
patent: 6714014 (2004-03-01), Evans et al.
patent: 6727696 (2004-04-01), Kruspe et al.
patent: 2002/0005297 (2002-01-01), Alft et al.
patent: 2003/0090269 (2003-05-01), Fanini et al.
patent: 2003/0164705 (2003-09-01), Cheung et al.
patent: 2003/0173968 (2003-09-01), Cheung et al.
patent: 2004/0098201 (2004-05-01), Tabarovsky
patent: 2005/0030021 (2005-02-01), Prammer et al.
patent: 2005/0134280 (2005-06-01), Bittar et al.
patent: 2005/0189945 (2005-09-01), Reiderman
patent: 2005/0242819 (2005-11-01), Gold et al.
patent: 2005/0264295 (2005-12-01), Strack et al.
patent: 2006/0028208 (2006-02-01), Strack et al.
patent: 2006/0133205 (2006-06-01), Van Kuijk et al.
patent: 685727 (1964-05-01), None

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