Sequential fluid injection process for oil recovery from a gas c
Simultaneous microemulsion-aqueous phase flooding process
Simultaneous water and gas injection into earth formations
Slow acidizing of geological formations
Soda-anthraquinone lignin sacrificial agents in oil recovery
Sodium hydroxide treatment of field water in a biopolymer comple
Sodium hydroxide treatment of field water in a biopolymer comple
Soil vapor extraction system
Solids-stabilized oil-in-water emulsion and a method for...
Solids-stabilized oil-in-water emulsion and a method for...
Solubilizing surfactants in miscible drive solvents
Solvent convection technique for recovering viscous petroleum
Solvent flooding with a horizontal injection well and drive flui
Solvent flooding with a horizontal injection well in gas flooded
Solvent-assisted method for mobilizing viscous heavy oil
Stabilizing agent for profile control gels and polymeric gels of
Stable mixtures of polymers and surfactants for surfactant flood
Staged preformed-surfactant-optimized aqueous alkaline flood
Steam distribution and production of hydrocarbons in a horizonta
Steam drive from fractured horizontal wells