Induction well logging apparatus with transformer coupled phase

Details Induction well logging apparatus with transformer coupled phase Induction well logging apparatus with transformer coupled phase

1988-04-27

1989-08-15

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

With radiant energy or nonconductive-type transmitter

324233, 324338, 343855, 343856, 343859, G01V 318, G01V 328

Patent

active

048578525

ABSTRACT:
A well logging apparatus is disclosed which employs slot antennas having a plurality of conductive probes traversing the slot. Also disclosed are a logging apparatus having electrically isolated antenna probes and a logging apparatus with an improved means for generating and applying a reference signal used in phase detection.

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