Method for variable radial depth induction log

Details Method for variable radial depth induction log Method for variable radial depth induction log

1993-12-08

1995-09-05

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

With radiant energy or nonconductive-type transmitter

364422, G01V 328, G01V 338

Patent

active

054481716

ABSTRACT:
The present disclosure is directed to a method of obtaining a different radial depth of investigation from an induction log. A typical induction log is moved along a well borehole to obtain two logs one being at a medium depth and the other being at a larger depth of investigation. By utilization of data from the two curves, the present disclosure enables determination of a log at some other depth i.e. a different radius of investigation which is between the medium and deep depths of investigation.

REFERENCES:
patent: 3052835 (1962-09-01), Dunlap et al.
patent: 3067382 (1962-12-01), Schuster
patent: 3067383 (1962-12-01), Tanguy
patent: 3086168 (1963-04-01), Buckner, Jr.
patent: 3259836 (1966-07-01), Oshry
patent: 3259837 (1966-07-01), Oshry
patent: 4009434 (1977-02-01), McKinlay et al.

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