Oil recovery by surfactant waterflooding

Oil recovery by surfactant waterflooding with aliphatic...

Oil recovery by surfactant waterflooding with hydrocarbyl...

Oil recovery by waterflooding employing an anionic- nonionic...

Oil recovery by waterflooding employing hydrophilic carbon...

Oil recovery by waterflooding employing succinimido aryl...

Oil recovery method and alkyl alkoxy propio sulfonate...

Oil recovery process

Oil recovery process employing a non-ionic glucan in...

Oil recovery process involving the injection of thickened water

Oil slick dispersants using diguandinium salt

Oil soluble photoprotective compounds and compositions from...

Oil spill absorbing peat

Oil spill recovery system

Oil well cementing composition

Oil well consolidation treating process and additive

Oil well drilling clay conditioner

Oil well drilling fluids with improved anti-settling...

Oil well fracturing fluids and methods

Oil well grouting with temperature activated aqueous silica gel