Inventor
SHELL FRANCIS J
US5 patents
Patents
5 patentsUS5165477ANov 24, 1992
Enzymatic decomposition of drilling mud
PHILLIPS PETROLEUM CO79 citations95
US4502969AMar 5, 1985
Workover and completion fluids
PHILLIPS PETROLEUM CO54 citations93
US5126051AJun 30, 1992
Enzymatic decomposition of drilling mud
PHILLIPS PETROLEUM CO37 citations91
US4559149ADec 17, 1985
Workover fluid
PHILLIPS PETROLEUM CO16 citations71
US4221823ASep 9, 1980
Process for mounting palynological specimens
PHILLIPS PETROLEUM CO16 citations65