Inventor
SHEPPARD EDWARD W
5 patents
Patents
5 patentsUS4317893AMar 2, 1982
Oil recovery by waterflooding employing an anionic polymeric surfactant containing recurring succinimide or succinamide groups
MOBIL OIL CORP41 citations91
US4284517AAug 18, 1981
Oil recovery by waterflooding employing anionic polymeric surfactants
MOBIL OIL CORP26 citations81
US4222881ASep 16, 1980
Oil recovery process involving the injection of thickened water
MOBIL OIL CORP23 citations79
US4110232AAug 29, 1978
Waterflooding process employing cationic-nonionic copolymers
MOBIL OIL CORP9 citations72
US4120801AOct 17, 1978
Waterflooding process employing anionic-nonionic copolymer
MOBIL OIL CORP3 citations61