Method and apparatus for borehole wall resistivity imaging...

Details Method and apparatus for borehole wall resistivity imaging... Method and apparatus for borehole wall resistivity imaging...

2005-08-30

2009-11-10

Whittington, Kenneth J (Department: 2858)

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

Using electrode arrays, circuits, structure, or supports

Reexamination Certificate

active

07616001

ABSTRACT:
A resistivity imaging tool is used in a borehole having a conductive fluid. Second differences between axially spaced apart electrodes are used in the imaging. A calibration compensates for the effects of borehole rugosity.

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