Temperature compensated well logging tool

Electricity: measuring and testing – Of geophysical surface or subsurface in situ

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Details

324338, G01V 328, G01V 330, E21B 4706

Patent

active

044279418

ABSTRACT:
A well logging tool adapted for use in a borehole traversing an earth formation includes at least one sensor sensing at least one characteristic of the earth formation. Another sensor senses the ambient temperature and provides a corresponding temperature signal. An output circuit provides a temperature compensated output signal corresponding to the sensed characteristic of the earth formation in accordance with the temperature signal and the characteristic signal.

REFERENCES:
patent: 2640869 (1953-06-01), Zimmerman
patent: 2895108 (1959-07-01), Haddad et al.
patent: 3402348 (1968-09-01), Hoehn et al.
patent: 3581194 (1971-05-01), Tegholm
patent: 3818323 (1974-06-01), Dowling et al.
patent: 4107598 (1978-08-01), Meador et al.

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