Sonde

Wells – Processes – With indicating – testing – measuring or locating

Reexamination Certificate

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Details

C073S152170, C181S102000, C367S188000, C367S911000

Reexamination Certificate

active

06981550

ABSTRACT:
A sonde and an apparatus for the deployment thereof against a well casing is described, the sonde comprising a resilient C-shaped member (22) and at least one sensor (23).

REFERENCES:
patent: 5092423 (1992-03-01), Petermann
patent: 5111903 (1992-05-01), Meynier
patent: 5181565 (1993-01-01), Czernichow
patent: 5200581 (1993-04-01), Boyle et al.
patent: 5318129 (1994-06-01), Wittrisch
patent: 6173804 (2001-01-01), Meynier
patent: 6247542 (2001-06-01), Kruspe et al.
patent: 6289985 (2001-09-01), Meynier
patent: 6378607 (2002-04-01), Ryan et al.
patent: 6385132 (2002-05-01), Sackett

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