Multiple drain method for recovering oil from tar sand
Multiple solvent heavy oil recovery method
Multipurpose drilling tool
Multistep method for viscous hydrocarbon recovery
Multivalent ion tolerant steam-foaming surfactant composition fo
Natural gas recovery method
Networked polymeric gels and use of such polymeric gels in...
Non-condensible gas injection including alpha-olefin sulfonate d
Non-condensible gas injection including alpha-olefin sulfonate s
Oil and gas field chemicals
Oil displacement method using shear-thickening compositions
Oil recovery
Oil recovery by alkaline-sulfonate waterflooding
Oil recovery by alkaline-surfactant waterflooding
Oil recovery by improved surfactant flooding
Oil recovery by low tension waterflooding
Oil recovery by microemulsion injection
Oil recovery by surfactant waterflooding
Oil recovery by surfactant-alcohol waterflooding
Oil recovery by viscous waterflooding