Well logging: depth correlation of logs

Details Well logging: depth correlation of logs Well logging: depth correlation of logs

1979-09-28

1982-03-16

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Well logging

367 40, 364422, G01V 140, G01V 136

Patent

active

043204694

ABSTRACT:
In depth correlation of logs according to the subject invention, the starting data is an array of correlograms on a depth v. shift coordinate system. Unreliable correlation coefficients are eliminated to leave only valid ones, then valid clusters of correlation coefficients are examined to find reliable indications of trends in shift and in changes in shift. These indications are used to compute the shift and the corresponding depth which would result in a corrected correlation between the two logs from which the correlograms are derived.

REFERENCES:
patent: 3497958 (1970-03-01), Gollwitzer

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