PERMEABILITY LOGGING WITH RADIOACTIVE ISOTOPES HAVING HIGH AND LOW ENERGY GAMMA RAYS
United States Patent 3424903

Inventors:
Lawson, Bobby L.
Publication Date:
01/28/1969
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Assignee:
PHILLIPS PETROLEUM CO
Primary Class:
250/260
International Classes:
G01V5/08; G01V5/00; G01T1/16




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