Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports
Reexamination Certificate
2006-07-04
2006-07-04
Patidar, Jay M. (Department: 2862)
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
Using electrode arrays, circuits, structure, or supports
C324S368000, C324S339000, C166S241100, C166S241700
Reexamination Certificate
active
07071697
ABSTRACT:
A centralizer (1) for position a casing (3) in a conduit (4) passing through underground formations includes measurement means (7) such as an electrode for deriving at least one representative parameter of the formations.
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Bryant Ian David
Gambier Philippe
Raw Ian
Rioufol Emmanuel
Veignat Eric
Echols Brigitte L.
Patidar Jay M.
Schlumberger Technology Corporation
Segura Victor H.
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