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Inventor
NIELSEN HARDY HARTMANN
NO
2 patents
Patents
2 patents
US10508515B2
Dec 17, 2019
Method and apparatus for filling an annulus between casing and rock in an oil or gas well
CONOCOPHILLIPS CO
2 citations
65
US10975657B2
Apr 13, 2021
Method and apparatus for filling an annulus between casing and rock in an oil or gas well
CONOCOPHILLIPS CO
0 citations
54