Process and device for the determination of the characteristics

Details Process and device for the determination of the characteristics Process and device for the determination of the characteristics

1974-05-22

1976-11-09

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

250256, E21B 4900

Patent

active

039902978

ABSTRACT:
Process for determining characteristics of the geological formations traversed by a borehole, making use of a sonde by means of which the intensity of the .gamma. rays naturally radiated from the formations is measured, both longitudinal and transversal acoustic waves are transmitted to the formations, their travel time and their attenuation between two receivers placed in contact with the formations are measured and by combination of the so-obtained values a resulting value is elaborated which is representative of one characteristic of the surveyed formations.

REFERENCES:
patent: 2760078 (1956-08-01), Youmans
patent: 3521064 (1970-07-01), Moran et al.
patent: R24226 (1956-10-01), Fearon

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