Oil recovery process: injection of fatty alcohol followed by soa
Oil recovery with water containing carbonate salt and CO.sub.2
Oil recovery with water containing carbonate salt, CO.sub.2, and
Oil reservoir permeability control
Oil reservoir permeability control
Oil reservoir permeability control using polymeric gels
Oil reservoir permeability profile control with crosslinked wela
Oilfield flooding polymer
Olefin sulfonate-improved steam foam drive
Optimum grading of chemical concentrations in a micellar flood
Organic nitro compounds as cosurfactants in enhanced oil recover
Organically crosslinked polyvinyl alcohol copolymeric gels for u
Organosilicon polymer having nonrandom crosslinkages useful in e
Overpressured fracturing of deviated wells
Oxidized alkali lignins and their use in enhanced oil recovery
Oxidized lignosulfonates as additives in oil recovery processes
Oxidized lignosulfonates as additives in oil recovery processes