Inventor
HILL HAROLD J
5 patents
Patents
5 patentsUS4086964AMay 2, 1978
Steam-channel-expanding steam foam drive
SHELL OIL CO63 citations92
US3945437AMar 23, 1976
Process for displacing oil using aqueous anionic surfactant systems containing aromatic ether polysulfonates
SHELL OIL CO65 citations89
US4074755AFeb 21, 1978
Ion exchange controlled chemically aided waterflood process
SHELL OIL CO35 citations88
US4013569AMar 22, 1977
Aqueous anionic surfactant systems containing aromatic ether polysulfonates
SHELL OIL CO25 citations77
US4279305AJul 21, 1981
Process for stimulating a well with a saline surfactant sulfate, alkanol and acid system
SHELL OIL CO7 citations71