Inventor
HANEFERD HELEN
NO3 patents
Patents
3 patentsUS10087716B2Oct 2, 2018
Method and apparatus for filling an annulus between casing and rock in an oil or gas well
CONOCOPHILLIPS CO3 citations66
US10508515B2Dec 17, 2019
Method and apparatus for filling an annulus between casing and rock in an oil or gas well
CONOCOPHILLIPS CO2 citations65
US10975657B2Apr 13, 2021
Method and apparatus for filling an annulus between casing and rock in an oil or gas well
CONOCOPHILLIPS CO0 citations54