Geometrical instruments – Area integrators – Electrical
Patent
1979-07-26
1981-02-24
Little, Willis
Geometrical instruments
Area integrators
Electrical
33178E, 33302, E21B 4708
Patent
active
042519217
ABSTRACT:
The disclosure relates to a tool for borehole logging comprising a plurality of extendable caliper arms to determine borehole contour.
REFERENCES:
patent: 2588717 (1952-03-01), Goodwin
patent: 3092182 (1963-06-01), Blagg
patent: 3349498 (1967-10-01), Oliver et al.
Besha Richard G.
Gaetjens Paul D.
Little Willis
The United States of America as represented by the United States
Weig Robert W.
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