Inventor
MORRISON STEPHEN E
US3 patents
Patents
3 patentsUS5411090AMay 2, 1995
Method for isolating multiple gravel packed zones in wells
ATLANTIC RICHFIELD CO26 citations90
US5287923AFeb 22, 1994
Sand control installation for deep open hole wells
ATLANTIC RICHFIELD CO42 citations90
US5348092ASep 20, 1994
Gravel pack assembly with tubing seal
ATLANTIC RICHFIELD CO25 citations89