Method for identifying complex lithologies in a subsurface forma

Details Method for identifying complex lithologies in a subsurface forma Method for identifying complex lithologies in a subsurface forma

1983-03-25

1984-08-28

Birmiel, Howard A.

Measuring and testing

Borehole or drilling

Downhole test

250270, 324362, 324366, E21B 4900, G01V 510, G01V 308

Patent

active

044676425

ABSTRACT:
A method of logging a subsurface formation surrounding a borehole includes the recording of an induced polarization log, the recording of a nuclear log of delayed gamma-rays from the activation of aluminum in the formation, and the recording of a nuclear log of natural gamma-rays from potassium in the formation. The induced polarization log and the nuclear logs are combined to identify the composition of the lithology of the subsurface formation.

REFERENCES:
patent: 4135087 (1979-01-01), Oliver et al.

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